new genera and species of muscoid flies.

NEW ^{GENERA AND SPECIES OF}

By Charles

H. T.

Townsend,

Custodian ofMuscoidDiptera, UnitedStalesNationalMuseum.

Duringthe past year ortwo

many new

forms ofmuscoidflieshave beendescribed

by

^thewriter,andthe manuscripts placed with various serialpublications.

A

largepartofthedescriptionshas already been published, buta considerable portionof

them

has not yet appeared.

The

present paper contains descriptions of the most noteworthy remaining

new

muscoidgenera thusfarstudiedintheUnitedStates National

Museum

collection. Tlieformshere treatedarefrom North and SouthAmerica, Eurasia,andMalaysia,withone fromAustralia.

Family

MUSCIDAE.

TRONGIA, newgenus.

Genotype.

—

Trongiaviridis,

new

species.

Seemstoapproach Catajncephala, differing infacialiathi<3kly ciliate

withordinarybristles toalittleabovemiddle,and head butslightly broader than the thorax. Strong approximated proclinate ocellar bristles.

One

strong reclinate imier orbital bristle in male; inner verticals cruciate,outer almostaslongas imier. Vertex aboutone- sixth head-width. Oralmargin veryprominent; the strongvibrissae practically on same, and not narrowing the facial plate. Third antennal joint six or seven times second, narrow, of even width, rounded apicaUy. Arista plumose almost to tip. Claws slender, extremelylong, almost twicelast tarsaljoint.

Two

strongmedian marginal macrochaetae on second segment; marginal

row

ofstrong ones on third and fourth segments.

Hypopygium

not prominent.

Cubitus subangular,last section offourth veinevenlybentin,apical cell openwellbefore wingtip. Proboscis short andfleshy. Tegulae bare.

TRONGIAVIRIDIS,newspecies.

Lengthofbody, 13.5

mm.;

ofwing, 11.75

mm. One

male, Trong,

Lower

Siam, February, 1899 (W.L.Abbott).

All metallicgreen; face andfrontlightlygolden orbrassy, cheeks silvery; antennae,palpiandpulviUi palefulvous, thethirdantennal

ProceedingsU. S.NationalMuseum.Vol.5I-No.2152.

300 PROCEEDINGS OF THE NATIONAL MUSEUM.

vol.51.

jointfuscous onapical portion; venter, thorax, pleurae and outside of femorasilvery, the silvery of ventershowing narrowly above on sides ofanalsegment; thoracicvittaenotdefined. Tibiae and tarsi black; hind femoraalso black,middle femoraonlyslightly greenish.

Wings

broadly

smoky

onveins. Tegulaewhite.

Holotype.—No. 20026,U.S.N.M.

HYPOPYGIOPSIS, newgenus.

Genotype.

—

Hypopygiopsissplendens,

new

species.

Allied to

Cynomya

andBlepharicnema, differing as follows: Male.

Aristaplumose nearlyto tip. Cheeks broad and yellow. Frontof male narrow, with one reclinate fronto-orbital. Ocellars present.

Outerverticals absent. Flexor surfaceof femora and tibiaedensely long hairy; hind femora enlarged and bowed.

Body

elongate.

Hypopygium

denselyhairy, elongatebutretracted, apparentlyvery large, hinged from a small seventh segment, which is also pilose.

Wings

deeply infuscated, lighter area near base. Claws not extra long. Thirdveinbristledoverhalfwaytosmall cross vein.

HYPOPYGIOPSISSPLENDENS, newspecies.

Length ofbody, 14 to 17.5

mm.;

of wing, 13 to 15

mm.

Three males, Trong,

Lower Siam

(Dr.

W.

L. Abbott).

Face,cheeks,andparafrontals satinyyellow, lightgolden poUinose;

vertex andocellar area metallicgreen to greenish-black. Palpi and third antennal joint deep clear fulvous-yellow. Frontalia, first

twoantennal^joints, and aristabrownish-yellow, theformershading to

brown

posteriorly. Occiput cinereous, with gray pubescence;

cheek beard deepyellow. Thorax, scutellum, and

abdomen

varying from metallic purplish or bluish-green to bright green, the thorax verythinlydustedwithsilvery, the

abdomen

showingnopollen; fu-st

abdominal segment black. Front and middle femora

more

or less metallic greenish, rest of legs

brown

to blackish.

Wings

subuni- formlyyellowish-smoky,withsubbasal area ofpaleyellowish. Teg- ulae palewatery-smoky.

Eolotype.—'No. 20027, U.S.N.M.

Family

CALIRRHOIDAE.

THERESIOPSIS,newgenus.

Genotype.

—

Theresiopsisjicorum,

new

species.

Belongs ⁱⁿSardiocera group. Differsfrom EutTieresia as follows:

Female. Face rather longer, the peristomal profile only sHghtly curved

upward

in front. Facial carina only slightly developed.

Thirdantennaljointaboutthree times the second. Frontnarrower, the parafrontalsposteriorlyonly alittle over one-halfwidthoffron-

talia. Fronto-orbitalsset fartherback andclose to frontalia. Outer verticals well developed. Parafacials slightly broader below than above. Palpi slenderandonlyfaintlythickenedattip.

No

median marginalpair ofmacrochaetae on second abdominalsegment.

THERESIOPSIS FICORUM, newspecies.

Lengthofbody, 8

mm.

; ofwing,7

mm. One

female, Pekalongan, Java, givenwith queryasrearedfrom Ficus-horcr,March, 1912 (K.

W. Dammerman,

No. 304).

Pale testaceousto brownish,with satiny-silver pollen. Antennae and palpi fulvorufous. Frontaliabrown.

Head more

orless poUi- nose over a fulvotestaceousground color. Tlioraxpollinose,leaving three narrowvittae in middle before suture, and a heavy double- blotchvittaon eachside; viewed frominfront theposteriorblotches are confluent along suture. Scutellum silvery on apical half, rich darksepiaonbase.

Abdomen

richdarksepiaexcept obliqueanterior cornersofsecond segment,andirregularbasalhalf of thirdandfourth segments, which are rufotestaceous and silvered. Legs

brown

to blackish.

Wings

subhyaline, but

brown

along firstvein and basal half of thirdandfourthveins. Tegulaewhite.

Eolotype.—'No. 20028,U.S.N.M.

MESEMBRIOPHYTO,

newgenus.

Genotype.

—

Mesemhriophytomagcllana,

new

species.

DiffersfromArctophyto asfollows: Female.

Head more

elongate, the front

more

produced. Antennal

and

vibrissalaxesequal. Ver- texnotover one-thirdheadwidth. Frontalianotbroaderthan one parafrontal. Antennae notseparated,third joint scarcelylongerthan second,arista bare. Facial carinascarcelydeveloped,epistomanar- rower. Apicalscutellarpairof bristlesaslong as theposterior ofthe twolaterals,decussate attips.

No

median marginal^bristlesonfirst

abdominalsegment, a

weak

median marginalpaironsecond; discal and marginal onlasttwosegments, thediscal ofthird in straggling row,butthemarginalregular

and

ratherstrong. Apicalcellclosed inborder alittlebeforetip of wing; hind crossveinnotso close to cubitus.

MESEMBRIOPHYTO MAGELLANA,newspecies.

Lengthofbody, 7

mm.;

of wing, 7.25

mm. One

female,

Sandy

Point,Straits ofMagellan (Ace.21699U. S.FishComm.).

Dark

brownish, lightly cinereous pollinose. Frontalia, first two antennal joints, clypeus, facialia, and cheek-grooves brownish- rufous; palpi fulvous, third antennal joint and arista black, epis-

toma

brownish. Parafrontals cinerous, parafacials and ocellar triangle dullgolden pollmose; occiputandcheeks with grayish bloom.

Pollen of mesoscutum and scutellum with a dullgoldtinge; four

302 PROCnEDIXGS OF THE XATIOXAL MUSEUM.

vol.51.

vittae,the inner pair nearly^as heavyas the outer.

Abdomen

with silvery-gray pollen, naost distinctonthebroadbasesofthetwointer- mediate segments, the hind borders of fii'st three segments with brownish-golden tmge. Legsbro\smisli,thetibiaeandtipsoffemora rufofulvous, the tarsi dark brown.

Wings

clear. Tegulae nearly white.

Holotype.—No.20029,U.S.N.M.

Thisisthespecimen mentioned

by

DoctorWilliston^{^}inhisreport onDipteracollected

by

theUnitedStatesBureauofFisheriessteamer Albatrossin1887-88, asa TacJiinid which hecould notlocate in

any

genus

known

tohim.

OREOPHYTO,

newgenus.

Genotype.

—

_OreophytoocJireicornis,

new

species.

Differs fromArctophyto as follows: Male. Vertex about as wide as length of third antennal joint.

Two

or three pairs of ocellars, the front pair strongest. All macrochaetae strong.

Head much

longer, parafacials broader; epistoma broader,

more

widely separat- ing the vibrissal angles; vibrissae

more removed

from oral margin.

Palpi stouter, not markedly thickened apically. Third anteimal joint quite twice as long as second. Three sternopleurals; three postsuturals,sometimesa fourthone developed.

Two

stronglateral scutellarswith

some

weaker ones between them, astrong decussate apical pair,two discal pairs. Last three abdominal segments with strong discals. Legs stouter, and whole

body

stouter.

No

long hairs on abdomen.

Wings more

pointedattip,theapicalcellending

much

farther before same. Cubitus forming a right angle, usually withstump,farther

removed

from hind marginofwing.

OREOPHYTOOCHREICORNIS, newspecies.

Length of body, 12 to 14

mm.;

of wing, 9.5 to 10

mm.

Four males; one Corvallis, Oregon, June 12; one

Mount

Angel, Oregon (F.Epper); twoOregon.

Black, thicklyto thinly silvery. Frontaliablack. Thirdantennal joint clear lightorange or ochreous, the arista black. Palpirufous,

more

orless blackish basally. Parafrontalsand parafacials thicldy silvery white. Thoracic

dorsum

and scutellum rather thinly pol- linose, outer vittaevery heavy,

umer

ones moderately heavy and

more

orlessconfluent withamedian one.

Abdomen

rather thickly silvery all over, as seen with varying light incidence, the segments appearing

more

or less broadly black from above. Legs black.

Wings

grayish. Tegulaewhite.

Holotype.—^o. 20030, U.S.N.M. (Corvallis).

'Proc.U.S.Nat. Mus.,vcL12,1889,p. 203.

Genus

MYOCEROPS

Townsend.

MyoceropsTownsend,Ent.News,vol. 27, 1916, p. 178.

Genotype.

— Musca

carinifrons Fallen, 1816, Vet. Acad. Handl.

for 1816,p. 243.

Differsfrom Plwrostomaas follows: Maleandfemale.

Form more

narrowed. Proboscis and palpi

more

slender.

Head more

elon- gate, the parafacials proportionately broader. Facial depression notso broad, the vibrissae nearerto oral margin. Frontof female

much

wider, the vertex

much

exceedmg ^one-third head width.

Cheeks

mder

and longer. Three sternopleurals. Abdominal mac- rochaetaenot sostrong; median marginalpair of firstsegmentlong inmale,vestigial infemale.

Wings

narrower,apicalcelllesswidely open.

Genus

SUMICHRASTIA

Townsend.

SumichrastiaTownsend,Ent.News,vol. 27, 1916,p.^178.

Genotype.

—

IlystrichodexiaaureaGiglio-Tos, 1893,Boll.Mus.Zool.

Anat.comp.Univ. Torino, vol. 8,p. 2; and 1894, Ditt. Mess., pt.3, p. 59.

Differsfrom Eudexia as follows: Female.

Abdomen

broad-oval, wider than thorax, thickly clothed with long golden-fulvous hair especially conspicuous on last two segments; macrochaetae heavy andspinelike; first segment with only a lateral bunch^; second with thicldy placed marginal

row

doubled at sides, and median discal triangle of closely placed ones; third segment with about posterior halfcovered with three irregularrows; analwith a discal pairorso,

sometimes wantmg, and marginal ones

among

the pile. Venter

c[uitethickly set with black spines,except a broad areaatbaseon eachside. Coxae thickly set with fulvous hair and bristles,mixed with black bristles; the fulvous bristles predominating on anterior pair. Scutellum with black spines. Peristomal ^bristles nearly all rufo-fulvous,two orthreeoftheanterior frontals

same

color. Palpi quite as long as clypeus, very narrow, a little widened on apical third,with long fulvoushairsonapical half. Parafacials very broad, aboutfour-fifthsaswide as middlediameter of one eye.

The

pile ofbase^of

abdomen

^is shorter than the rest; there is

some

shorter pileonparafrontals, occiput, pleurae, posterior part of

mesoscutum

and on scutellum. Cheeks nearly as wide as eye height. Arista plumose, third antennal joint nearly twice second. Facial carina moderately prominent, vibrissae well above oral margin, vertex about two-sevenths headwidth; frontalia verybroad, onlyslightly narrowedposteriorly.

Named

in honor of FrancoisSumiclii'ast,theeminentSwiss natu- ralist,

who

^didso

much

valuable pioneer

work m

Mexicoinandafter

304 PROCEEDINGS OF THE NATIONAL MUSEUM.

vol.51.

Maximilian'stime,and

who

hasbeenimmortalized

by

Lucien Biart inhisfascinating"Adventuresofa

Young

Naturalist."

One

female, Real del Monte, Hidalgo, Mexico, 9,000 feet, Sep- tember (H.T.

Van

Ostrand), donated

by

Mr.

W.

R.Walton.

The

holotypeof^S".aurea

was

collected

by

Sumichrast.

Family

SARCOPHAGIDAE.

MELANOPHYTO,

newgenus.

Genotype.

—

MelanopJiyto maerens,

new

species.

Differs from

BracMcoma

as follows: Female. Vertex little over one-fourth head width. Frontalia broader than one parafrental.

Cheeks less than one-half eye-height.

Lower

breadth of clypeus nearly as great as length of facial plate,epistoma not projected be- tween vibrissse. Arista

more

than twice aslong as third antennal joint,alittlethickenedonlittle

more

thanbasalthird,short-plumose on thickened portion, the restbare and hair-like. Antennal axis nearly equal toheightofhead. Fourlateral scutellar pairs of bris- tles, the hindmost pair longest and widely separated; two discal pairs,noapical.

Abdomen

flattened,greatly broadened,subrounded in outlinefromabove; firstfoursegmentsshortandofequallength, thefirstthree ofnearlyequal width, thefifthstillshorter.

No

median macrochaetae onfirsttwo segments.

Wings

long andratherbroad;

third veinbristled lessthan halfway to smallcross vein; nocostal spine. Smallcrossvein well beforeendoffirstvein.

MELANOPHYTOMAERENS,newspecies.

Length of body, 10

mm.;

of wing, nearly 10

mm. One

female, MexicoCity,January4, 1915 (R.H.

Van

Zwaluwenburg, No. Mx4).

Black, head soft deep black.

Narrow

irregular bar across para- frontals, areaofparafacials inclosingthefacio-orbital

row

ofbristles, ratherbroad bar across cheeksdeep softgold. Frontalia, antennae and palpiordinary black.

The

softblack and gold vary withlight incidence,thefacial plateshowinga gold coatinobliquelights. Occi- put and hind borderofcheeks ^ofordinary black, with thincoat ^of silvery. Five vittae on thorax; themiddle one oneach side linear, the others heavy.

Mesoscutum

^and scutellumsilvery, the pollen in frontofsuturewith

marked

golden tinge, a goldstripefromhumeri to suture, two pale goldenvittae inmiddlebefore suture; the pollen thickening on margins of postsutural scutum into varying spots according to light incidence. Front half or so ofpleurae brownish- black, without pollen.

Abdomen

rather shining; silvery pollinose, most pronounced onbases and middle of segments

by

direct view, varying with lights.

Wings

faintly infuscate in the region of the basal andsmallcross veins. Patagia cream-yellow. Tegulae white, margined withblack; the frontscale glassy, transparent.

Holotype.—^o. 20031,U.S.N.M.

NO.2152.

NEW MUSCOID FLIES—TOWNSEND. 305

Family

SALMACIIDAE.

GenusPILATEATownsend.

PilateaTownsend,Ent. News,vol. 27, 1916, p. 178.

Genotype.

—

Masicera celer Coquillett, 1897, Rev. Tach., p. 114 (footnote)

Differs from Masiceraas follows: Male and female. Malevertex barelyone-fourtli ofheadwidth; that^offemalelessthanone-third of same. Male frontalia barely one-half as wide as one parafrontal;

thoseoffemale

somewhat

less thansame.

Both

sexeswith two re- clinate orbitals, no proclinate ones in male. Facial profile rather longerthanfrontal,parafacialslongandofnearlyevenwidth. Arista thickenedonbasalhalf only.

Two

or three sternopleurals,themiddle one

weak when

present. Discal macrochaetae on intermediate abdominal segmentsinbothsexes.

Named

inhonorofMr.G.R.Pilate.

Genus

MASICEROPSIS

Townsend.

MasiceropsisTownsend,Ent. News,vol. 27, 1916, p. 178.

Genotype.

—

Masicera pauciseta Coquillett, 1897, Rev. Tach., pp.

113-114.

Differs from Masicera as follows: Female. All macrochaetae weaker.

Head

nearly triangular in profile, the lower border very short. Frontalprofile distinctlyshorter thanfacial, frontal bristles not descending so low. Parafacials not so broad, of nearly even width,longer. Facialia ciliateoverhalfway up. Cheeksnarrower, the eyes descending lower. Third antennal joint not over three times second; thelatter short.

The

two middlesternopleuralsvery weak.

Abdomen

flattened and widened; median marginal pair of macrochaetaeoffirstsegment very weak. Cubitus veryobtuse; hind andapical crossveinsstraightand notparallelwitheachother; the latterparallelwithinnermarginofwing.

MADREMYIA,

newgenus.

Genotype.

— _Madremyia

parva,

new

species.

Generalformofhead anditsappendages

much

likethatofCJiroma- tocera,butevidentlynotnearlyrelated tothat genus. Differsasfol- lows: Allmacrochaetaeheavier.

No

proclinateorbitals,but some

more

or less reclinate bristles and long hairs outside frontal row.

Face not so broad, widening but little from front, Frontals de- scending rather over

haKway

tocheekgrooves,theparafacialsother- wisebare. Aristasharply pointed, thickened to alittleshortoftip;

secondjoint elongate, aboutornearlyhalf aslong asthethickened 36399°—Proc.N.M.vol.51—16 20

306 rROCEEDINGS OF THE NATIONAL MUSEUM.

^vol.51.

portion of third joint. Third antennaljoint rather stout, of equal width,aboutfivetimesaslongastheveryshort second. Palpi

mod-

erately stout. Facialia sparsely ciliate to above lowest frontals.

Eyes

thickly hairy,

more

elongate dorsoventrally. Cheekslessthan one-half of eye-height. Three stemopleurals, four postsuturals.

Apical decussatescutellar pair erect.

Median

marginalpaironfirst

abdominal segment; other segments with erectdiscals. Apicalcell short-petiolate, endingfarbeforewing tip; hind crossveinstraight, nearly parallel with apical cross vein. Cubitus without stump, fartherremoved from hind margin; apical crossveinnotsostrongly bentin.

MADREMYIAPARVA, newspecies.

Length ofbody, 4.5 to 5.5

mm.;

of wing, 3.5 to 4.5

mm. Two

males.

Head

of Rio Piedras Verdes, Sierra

Madre

of Chihuahua, Mexico,about7,300feet,August29,1899(Townsend);and RioTular- osa, SierraBlancaof

New

Mexico, about6,400feet,October3, 1896 (Townsend)

.

Palpi, antennae, and parafrentals black; lastshowing thinly sil-

very from behind; face and orbits

more

thickly silvery. Frontalia obscure rufous. Thorax and scutellum black, thinly silvery; four narrowvittae; scutellum

more

orless distinctly testaceouson mar-

gin.

Abdomen

^{brownishtoblack; the bases of lastthreesegments}

distinctly silvery, the pollen spreadingposteriorly in obliquelights.

Legs blackish; tibiae tinged with brown.

Wings

clear. Tegulae watery-whitish.

Holotype.

—

^{No. 20032,U.S.N.M. (Sierra}

^Madre

^ofChihuahua)

.

Genus

CNEPHALOGONIA

Townsend.

CnephalogoniaTownsend,Ent.News,vol. 27,1916,p. 178.

Genotype.—Gonia^distincta H. E. Smith, 1915, Psyche, vol. 22, pp. 99-100.

Difi'ersfrom Salmaciaasfollows: Female. Front not swollen,no

more

producedin profilethanthatofCneplmlia.

No

median marginal macrochaetae on firstabdominal segment; no closely set marginal

row

onthirdsegment. Parafacialsbelow notover one-halfgreatest eye-width,

widenmg

abovetonearly eye-width atbaseof antennae.

Front marginal macrochaetae of parafacials sparse, few, and weak.

Cheeks hardly one-third eye-height.

Ground

color of face, front, and cheeks yellow. Anterior partoffrontwider thanlower partof face. Vertex narrowed to about one-half head-width.

Abdomen

like thatofCnephalodopsisand alliedgenera.

307

Genus

DICHOCEROPSIS

Townsend.

DichoceropsisTownsend,Ent.News,vol. 27, 1916, p. 178.

Genotype.

—

Dichoceraorientalis Coquillett,1897,Rev.Tach.,p. 138.

Differs from Dichocera as follows: Female. Arista longer and tapered, second joint stronglyelongate. Third antennaljoint nar- row.

No

discal macrochaetaepresent on intermediate abdominal segments,nomedian onfirsttwosegments. Cubituswithoutstump.

Fourpostsuturals.

No

apical scutellars.

The row

ofheavy macro- chaetaeonparafacials extendingalittlelowerthaneyes,the

row

on cheeksnotsodeveloped.

ATRACTOCEROPS,

newgenus.

Genotype.

—

Atractoceropsceylanica,

new

species.

Differs from Epidexia as follows: Female. Vertex about one- thirdhead-width,frontalia alittlewiderthanoneparafrontal.

Two

inner reclinate orbitals. Antennae set

much

higher; cheeks

much

wider,aboutone-thirdofeye-height. Parafacials rather wide,some-

what

sprung orbulged, of nearly even width or slightly widening below. Facialplateverylong,narrow; facialiafinelyciliatehardly

haKway

up. Second antennal joint notsoelongate; thethirdfour orfivetimesaslongand wellnarrowed. Threesternopleurals,four postsuturals. Apical decussatepair of scutellarsnearlyasstrongas the threelaterals.

No

discalsonintermediateabdominalsegments;

no median onfirst twosegments; discal and marginalrowson anal segment.

Abdomen

ovate. Tarsi short, claws short. Apical cell rather pointedattip, closed inmarginjustbefore wing-tip; cubitus close to inner margin; apical cross vein nearly parallelwith same;

hind cross vein straight, slightly nearer to cubitus than to small cross vein.

ATRACTOCEROPSCEYLANICA, newspecies.

Length of body, 5.5

mm.;

of whig, 5

mm. One

female, Pera- deniya,Ceylon, April14, 1914 (A.Rutherford).

Palpi and antennae fulvo-rufous, the latter infuscate apically.

Frontaliadark rufous. Parafrontals and face silvery. Cheeks and occiput ashy. Thorax and scutellum silvery, the latter fulvous except base; four^vittae, the outer ones heavier; postsuturalscutum and narrowbaseofscutellum

appearmg

blackishfrombehind. Abdo-

men

dark brown; the last two segments quite widely yellowish- silverypollinoseonbase,thesecondshowingonlyfaint line of pollen onincisure. Legs dark brown.

Wings

clear. Tegulaewhite.

Holotype.—No.20033, U.S.N.M.

308 PROCEEDINGS OF THE NATIONAL MUSEUM.

^{vol. 51.}

EPIDEXIOPSIS,newgenus.

Genotype.

—

Epidexiopsisorhitalis,

new

species.

Differsfrom Epidexia as follows: Male. Vertex nearly one-third head-width, front of equal width, facewidening gentlyfrom same.

Frontalia narrower than one parafrontal. Cheeks narrower, the eyes descending nearly or quiteaslow as vibrissae.

Two

proclinate orbitals, two reclinate orbitals, frontalsless developed posteriorly;

parafrontals of nearly equal width. Palpi longer. Three stemo- pleurals, the middle one weak. Apical pair of scutellars quite strong,longerthandiscal pair. Marginal macrochaetaeof

abdomen

not so long, the discalrather stronger than in Epidexia, allerect;

thediscalshorterthan marginalexcept thatthisisreversedonanal segment. Tarsi shorter, delicate; claws very short. Apical cell closed in margin, ending nearer to wing-tip; hind cross vein not straight, almost in middle between small cross veui and cubitus.

Smallcrossvein nearly oppositetip of auxiliary vein.

EPIDEXIOPSIS ORBITALIS. newspecies.

Length ofbody, 4.75

mm.;

ofwing,3.5

mm. One

male,Miami, Florida,October28, 1908(Townsend).

TD

562.

Black, palpi pale ^yellowish, second antennaljointrufous at tip.

Head

silvery, the occiput ashy.

Thorax

andscutellumthinly silvery

;

twolinearinnervittae,the outer onesofthesemicolontype. Viewed from behind the postsutural

mesoscutum

appears black except the lateralmargins andirregularbroad hindborder.

Abdomen

shining, thelast threesegments silvery-whitepoUinose on base,the silvery fasciaesuccessivelybroadeningslightlyfromsecondtoanal segments.

Hypopygium

blackish.

Femora

andtibiaebrownish.

Wings

clear.

Tegulaewhite.

Eolotype.—l^o. 20034,U.S.N.M.

MIAMIMYIA,newgenus.

Genotype.

— Miamimyia

^cincta,

new

species.

Differs from Houghia as follows: Male. Face hardly perceptibly widened fromfront,the vertex hardly one-thirdofhead-width. Face

much

longer,the antennaeset

much

higher. Frontalia

much

wider than oneparafrontal. Threeor four shortbutstrongcloselysetpro- chnate orbitals on each side. Arista shorter than third antennal joint, porrect. Second antennal joint very short; the third sixor seven timesaslongassecond,

much

developed, reachingoralmargin.

Facialplate

more

than twiceaslongaswide,equal inwidth above and below. Facialia thickly ciHate

more

than halfwayup. Palpi rather slender. Parafacials very narrow and elongate. Cheeks wider, the eyes not quite reaching thelevel of vibrissaebelow.

Two

309

sternopleurals, three postsuturals. Apical cell ending almost in wing-tip; hind cross vein crooked and nearly in middle between smallcrossveinand cubitus. Tarsi rathertapered. Firstandthird veins bristledsame.

MUMIMYIACINCTA, newspecies.

Lengthofbody,5

mm.;

ofwing,4

mm. One

male,Miami,Florida,

November

12, 1908 (Townsend). TD869.

Palpi andfirsttwoantennaljoints fidvous; frontahadarkrufous.

Third antennaljoint blackish,

more

or lessfulvous onlower border and base. Face, cheeks, parafrontals and orbits silvery, occiput ashy. Thorax blackish, rather thinly silvery, two narrow inner vittae, outervittaeheavy;postsutural

dorsum

appearing blackfrom rearview,butshowinglateralmarginand broadhind bordersilvery- white. ScutellumfaintlypoUinose,butappearing blackishfrombe- hind.

Abdomen

darkbrownish, the analsegment rufous; the nar-

row

bases of intermediate segments silvery-white, the

same

silvery showinglessdistinctlyonbaseofanalsegment. Legsfulvous; tibiae rufous-brown, tarsiblack.

Wings

nearlyclear, the basal andcostal cells hghtly infuscate.

Hind

scale of tegulae smoky-translucent;

front scale white.

Holotype.—No.20035,U.S.N.M.

Family

MINTHOIDAE.

ZOSTEROPSIS, newgenus.

Genotype.

—

ZosteropsisrutJierfordi,

new

species.

Differs from Zosteromyia as follows, Male. Vertex andposterior half offrontaboutone-sixthofhead-width, theanterior half of front sUghtlywideningfrom same. Frontalia

much

narrowedposteriorly, averaging a little wider than one parafrontal. Ocellars hair-like and ^vestigial; all the other bristles offront and vertex strong, not hair-hke. Outer verticals not developed. Fom- rechnate orbitals on each side in hne with frontals and occupying about posterior three-fourths of front; frontals descending about to end of second antennal joint. Third antennal joint narrower. Facial plate and faciaha normal, not smoothed; epistoma emarginate.

Head more

flattened, occiput not bulged below; eyes normal, their posterior margin not beveled offon lower extent. Threesternopleurals, the middle one weak. Middle oneofthe threelateral scutellars strong, a decussateapicalpair of hair-likebristles.

No

longhairson abdomen, macrochaetaenot solong;nodiscalsonintermediate segments,median marginaloffirstsegmentvestigial. Legsnotso elongate,

more

slen- der.

Wings

not bulged on costal cells; apical cell very narrowly opentonearlyclosed wellbeforetip, apical crossvein deeply

bowed

310 PROCEEDINGS OF THE NATIONAL MUSEUM.

vol.51.

in; cubitus at right angle, fartherfrom margin; hind cross vein at about ^45° to inner margin, halfway between small cross vein and cubitus. Tegulae notso enlarged.

ZOSTEROPSISRUTHERFORDI,newspecies.

Length of body, 6

mm.;

of wing, 4.75

mm. Two

males, Pera- deniya, Ceylon,June 16, 1913,andJuly 7, 1914 (A. Rutherford).

Black, rather shining. Face, cheeks, and orbits silvery; para- frontals, thorax,and scutellum thinly silvery; four thoracic vittae moderately narrow and^{nearlyequal, the polleninclosed}

by

thetwo of each side with a dull golden tinge. Last three abdominalseg- ments rather broadly but thinly silvery on base.

Wings

deeply

smoky

except area behind fifth vein, that outside hind and apical cross veins,andthe distalhalf of apicalcell. Tegulaedilutesmoky, the outer portionof front scale whitish.

Holotype.—'No. 20036, U.S.N.M. (July7).

Named

in honorofMi*.A. Rutherford.

MUSCINOTHELAIRA,

newgenus.

Genotype.

—

Muscinothelairalutzi,

new

species.

Differs from Euthelaira as follows: Female.

Form

Muscina-like.

Eyesonly thinly hairy.

Head more

flattened, the front not promi- nentin profile. Front and face a littlewiderin proportion to eye- surface,cheeksa littlewider. Palpibowed,wellthickened apically.

Second antennal joint rather short; third joint about four times second. Arista sparselypubescent. Onlytwosternopleurals. Three lateral scutellars; only apair ofdivergenthairson apexofscuteUum.

Abdomen

short-oval, about

same

lengthand width asthorax.

Ab-

dominal macrochaetae not so strong. Legs shorter,tarsi delicate, the front tarsi not dilated; claws short.

Wings

broad, extending farbehindtipofabdomen, slightlybulgedoncostalborder.

MUSCINOTHELAIRALUTZI,newspecies.

Lengthofbody,7

mm.;

ofwing,7.5

mm. One

female,SaoPaulo, Brazil (Dr.A. Lutz).

Parafrontals, face,andcheekssilvery-white pollinose,withawatery uster. Frontaha brown. Firsttwoantennaljointsdarkrufous_;palpi rufous. Third antennaljointandvertexblack. Thorax andscutellum black, thinly silvery;fourvittaenearlyequal,theouter ones broadly interrupted.

Abdomen brown

to dark

brown

or blackish; very thinly silvery,showingmost onsides, faintlyonincisures,butappar- ent in oblique hghts elsewhere. Legs dark brown; tibiae bro\vn.

Wings nearly clear, a deeply infuscate area extending from small cross veinand ^tipof auxiliary veinto tip ofsecond vein. Tegulae smoky-translucent, the outeredgeoffront scaleopaque.

Holotype.—No. 20037,U.S.N.M.

Named

inhonorofDr.Adolpho Lutz.

ARGYROTHELAIRA,

newgenus.

Genotype.

—

ArgyrotJielaira froggattii,

new

species.

Differsfrom Thelaira as foUows: Female. Face and front

much

narrower, theface of

same

width as anteriorpartof front,thefront gradually narrowingbehind, the vertex hardly over one-fifthhead- width. Antennae longer, reaching oral margin, third joint fuUy three times the second. Arista long, hair-like, bare. Parafacials very narrowed below.

Two

^inner reclinate orbitals, posterior pro- chnateorbital set

much

fartherforward,nooceUars. Outervertical developed. Frontalianarrow,notaswideasoneparafrontal. Palpi

much

thickened apically. Four postsuturals. Three stronglateral scuteUars.

No

discalsonintermediateabdominalsegments.

Wings

notso broad, cubitus nearertomargin. Third veinbristly oidyat base,first veinbare. Seems allied to EutJielaira,from whichit dif- fersinthebarefaciaha,eyesonlyverythinly hairy,andotherpoints.

ARGYROTHELAIRAFROGGATTII, newspecies.

Lengthofbody, 7.5

mm.;

ofwing, 6

mm. One

female, Solomon Islands, July-August, 1909 (W.

W.

^Froggatt). Labeled "Masicera immersa Walker,"

by

Coquillett,which species

was

described from Makassar,Celebes.

The

descriptiondoesnotapply.

Head

black; face, cheeks, parafrontals, orbits, andocciputsilvery white; palpi, antennae and frontaUablack. Thorax and scuteUum black, pleurae and humerisilverywliite, the

dorsum

thinlypoUinose leaving a pair of hnearvittae.

Abdomen

black; thesidesof inter- mediate segments broadly burnished silver-white not meeting on median line, the sides of anal segment narrowly silvered. Legs black.

Wings smoky

on costal border, diminishing along veins.

Tegulae nearly white.

Eolotype.—^o. 20038, U.S.N.M.

Named

inhonorofProf.

W. W.

Froggatt.

MEGISTOGASTROPSIS

Townsend.

MegistogastropsisTownsend,Ent.News,vol. 27,1916,p. 178.

Genotype.

—

Megistogaster wallacei,Brauerand Bergenstamm, 1889, Muse.Schiz., pt.1,p. 127.

This ^is Brauer and Bergenstamm's sense of Megistogaster. For characters, see Brauer and Bergenstamm.^

The

authors accredit thespecies toDoleschaU,butIcannotfind thathedescribedit. It

was

probablyamanuscript

name

ofhis.

The

typeof Megistogasterisfuscipennis Macquart, which Brauer states is identical withpetiolata

Wiedemann. The

genus is thus a

synonym

of Cordyligaster.

»Muse.Schiz., pt.1,p. 127, pi.8, fig.210;andpt._3,p. 129.

312 PROCEEDIXaS OF THE NATIONAL MUSEUM.

vol.51.

Family

LARVAEVORIDAE.

DEJEANIOPALPUS,newgenus.

Genotype.

—

Dejeaniopalpus^texensis,

new

species.

Differs from Leskiopalpus as follows: Female. Palpi elongate, subcylindrical, evenly narrowed on apical three-fifths, fuUy as long as facial plate;

when

retracted extending almost the lengthof third antennaljoint beyond ^{epistoma. Proboscisslender, thepart}below geniculation rather longer than head height. Vertex nearly one- thirdheadwidth. Frontaha wider thanposteriorpartof onepara- frontal,aboutaswideas anterior part. OceUarsquitestrong. First veinbristledcompletely,third bristled toorbeyondsmallcross vein.

Differsfrom Leskiomimaprincipally in thelongpalpi; from SpatM- palpus

by

aristashort-plumose andonly shghtly thickened on basal third, the antennae inserted about on eye-middle; from Genea

by

cylindrical palpi,antennaeinsertedoneye-middleandaristaplumose.

DEJEANIOPALPUSTEXENSIS, newspecies.

Lengthofbody,6.5

mm.

^{; of}wing,5.25

mm. One

female, Texas.

Light fulvoustopaleyellowish,includingfrontalia,antennae,palpi, proboscisandlegs, thetarsi

brown

to blackish,themiddleandfront metatarsi yellowish. Parafrontals, face, cheeks and occiput thinly silvery. Third antennal joint faintly infuscate on edge. Pleurae silvery.

Mesoscutum

blackish in gromid color, brassy pollinose, apparently with usual blackishvittae.

ScuteUum

brassy pollinose.

Abdomen

withoutpoUen, except veryfaint indications attheincis- ures.

Wings

grayish, with only thefaintest infuscation; veinsyel- lowish. Tegulaepaleyellowish.

Holotijpe.—^o. 20039, U.S.N.M.

GYMNOERYCIA,

newgenus.

Genotype.

—

Gymnoeryciarubra,

new

species.

Differs from Erycia as follows: Female. Vertex less than one- fourth head width, the front and face widening quite evenly from same; theface inferiorlyrather

more

than twice as wide as vertex.

Facial depressionnotsobroad, the faciahanot so flattened. Only one recUnate orbital; outer vertical but little longer than orbital fringe. Frontaha aHttle narrower than one parafrontal. Faciaha cihate halfway

up

or more. Parafacials narrow, the head shorter.

Third antennal joint fuUy three times second. Apical decussate pair of scuteUar bristles fine, erect.

Median

marginal pair of first

abdominal segment vestigial, that of second rather weak. Larvi- positor intheformofa short spoonlikelobe, chitinous,broadatbase and narrowing^apicaUy.

Hind

tibiaeratherclosely pectinate, with one longer bristle. Apical cell ending a httle nearer to wingtip, cubitusnearertohindmargin, apical crossvein

bowed

in.

GYMNOERYCIARUBRA, newspecies.

Length of body, 6.75

mm.;

of wing, 5

mm. One

female,Miami, Florida,Nov. 16, 1908 (Mrs. C.H.T.Townsend).

TD

957.

Whole

head

duU

golden pollinose except the ashy occiput; the facial depression alittlepaler thantherest, thecheeks tingedwith silvery in

some

hghts;frontaha brown, antemiae black,palpifulvo- rufous. Thoraxblack,rather thicklypollinose, thepollen ofscutum brassy; four nearly equal black vittae. Scutellum rufous except theblackish base, brassy pollinose.

Abdomen

rufous,median vitta andtipblack; silvery topalegolden polUnose, thepoUenmost con- spicuouson narrowbasesofintermediatesegmentsandmostofanal segment; larvipositor rufous. Legs brown, tarsi blackish.

Wings

clear.

Hind

scale of tegulae watery, with faint infuscation; front scale whitish.

Holotype.—'No. 20040, U.S.N.M.

STURMIOPSIS, newgenus.

Genotype.

—

Sturmiopsisinfcrens,

new

species.

Differs from Sturmia as follows: Male and female. Parafacials with minute bristles,their profile full or shghtly bulged. Facialia quite strongly ciliate not quite halfway up. Frontaha of female little over half as wide as oneparafrontal; those of male narrower than oneparafrontal. Eyes rather thicldyhairyin male, tliinlyso in female. Antennas inserted almost on eye-middle; frontal profile slightly

more

produced. Normally only two sternopleurals;

some

times two additional very

weak

ones. Only two lateral scutellars, butthelong decussateapicalpairwitha pair ofsuberect shorterones between them.

Both

sexes with no

median

macrochaetae onfirst

two segments; no discals on any of the segments; only marginal

row

onthird and anal segments.

Hind

tibiaeciUate,withoutlonger bristlein either sex. Cubitus

much

approximatedtohindmarginof wing, at right toshghtly acute angle; theapical crossvein strongly bentin.

Hind

crossvein

more

removed from cubitus.

STURMIOPSISINFERENS, newspecies.

Lengthofbody,7to 8.5

mm.;

ofwing,5 to 7

mm. One

maleand onefemale,Buitenzorg, Java,Sept., 1913,rearedfrom Sesamiainfev- ens (K.

W. Dammerman,

No.312).

Dark brown

to blackish. Palpi,firsttwoantennaljointsandtipof scutellum rufous. Face, cheeks, and orbits silvery pollinose; the parafrontals,thorax,andscutellum ratherlessthickly so; twolinear inner and two heavy outer vittae. Last three abdominal segments broadly but very thinly silvery polUnose.

Wings

nearly clear.

Tegulaewliite, thehindscale

somewhat

pearly.

Holotype.—No. 20041,U.S.N.M.,female.

314 PROCEEDINGS OF THE NATIONAL MUSEUM.

vol.51.

XANTHOZONOPSIS,

newgenus.

Genotype.

—

Xanthozonopsisvestita,

new

species.

Differsfrom Xanthozonaas follows: Male.

No

proclinate orbitals.

Vertex

much

lessthanone-thirdhead-width. Secondantennaljoint notso long; second aristaljoint notelongate. Anal segmentshort, thickly covered with fine appressed vestiture except the tip.

No

discal macrochaetae on third abdominal segment, none on fourth except^finemarginalonesclosely set amongstvestiture,four median marginalon secondsegment, marginal

row

ofheavyspineson^third.

Abdomen

notswollen, notsonarrowed apically.

Body

proportion- atelybroaderand headproportionatelynarrower.

XANTHOZONOPSISVESTITA,newspecies.

Lengthofbody, 14.5

mm,

; ofwing,12.5

mm. One

male,Sapucay, Paraguay,August25, 1901 (W.T.Foster).

Head

yellowish; faceandcheekssilvery,averyfaintgoldentinge tothe pollenofcheeksandparafacials; parafrontals shiningblackish, withaverythincoatof pollen. Frontaha brown,rufous anteriorly.

Antennae blackish. Thorax blackish, rather thinlypoUinose; inner vittaenarrow, outer ones rather heavy. Scutellumand first

abdom-

inal segment rich blackish-brown; the anal segment except tip,

and theposterior half of thirdsegment, of

same

color; rest ofabdo-

men

deepyellow.

The brown

of third segmentispohshed, andits front border is angular on

median

line. Venter concolorous with tergum. Vestitureof analsegmentblack. Legsblackish,thetibiae brownish.

Wings

lightlyinfuscate, alittle darker atbase; four to six closely-placed bristles at base of third vein. Tegulae smoky- blackish.

Eolotype.—^o.20042,U.S.N.M.

PSEUDOSERVILLIATownsend.

PseudoservilliaTownsend,Ent.News,vol. 27, 1916, p. 178.

Genotype.

—

Echinomyia jlavopilosa Bigot, 1888, Ann. Soc. Ent.

France (6), vol.8,p. 80.

Differsfrom Servilliaasfollows^:

Two

facio-orbital bristlespresent.

Head, thorax, abdomen, andlegs densely yellow-pilose; the venter, base, and tipof

abdomen

black-pilose inmale.

Brauerstates thatthisis apparently

same

asEch.rufoanalis

Mac-

quart, but such is verydoubtful.

The

twospeciesareperhapscon- generic.

SERVILLIOPSIS, newgenus.

Genotype.

—

ServiUiopsis huccata,

new

species.

DiffersfromServillia asfollows: Vertexlessthan one-thirdhead- width. Front, parafacials and cheeks without the very long hairs,

NO.2152.

NEW

]\rUSCOID

FIJES—TOWNSEND.

315 butw-iththenormalpubescence. Clypeusbroadeningbelow,scarcely

marked

offfromfacialia; epistomabroad, stronglyproduced between

vibrissas; latter rather

more removed

from oral margin. Cheeks

lessthaneye-height, parafacials not as wide as clypeus.

Two

pro- clinateand onerechnate ^orbitals. Proboscis andpalpi longer. All macrochaetae strong, those of scutellum and

abdomen

spinehke.

Pile ofunder partsof

body

andlegs not long or thick,thatofab- dominal tergum bothlongand thick. Three tofoursternopleurals four postsuturals.

Bunch

of erect spines on scutellum. Anal seg-

ment

narrowedposteriorly,butdistinctlythoughfaintlyemarginate.

Ventral plates with spinebunches.

A

median discal pair of spines on anal segment, themargin with only a fewblack bristles

among

thepile. Fronttarsi

more

distinctlywidened.

SERVILLIOPSIS BUCCATA, newspecies.

Length of body, 15

mm.;

of wing, 12,75

mm. One

female, Tji- bodas.

Mount

Gede, Java, 9,000feet (Bryant andPalmer).

Head

hght golden pollinose all over; frontaliaand antennae dark

brown

or blackish. Palpi yellow. Hairs of front mostly black;

those of parafacials, cheeks, and occiput yellow.

Thorax

blackish, goldenpollinose, with golden pile; scutellumrufofulvous,with

same

pile.

Abdomen

^{blackish; theanteriorbordersofsegmentsyellowish,}

especially sides; the yellowish parts with golden pollen, the pile reddish-gold. Venter

more

deeply blackish, the incisures narrowly golden. Legs rufous; the femora black.

Wings

faintly

smoky

throughout; tegulae golden-smoky.

Holotype.—No. 20043,U.S.N.M.

Ecliinomyiarufoanalis Macquart^{^} is very distinctfromthisform.

Soalsois TachinafulvaWalker.^{^} See Brauer.^

Family

EXORISTIDAE.

Genus

SERICOTACHINA

Townsend.

SericotachinaTownsend,Ent.News,vol. 27, 1916, p. 178.

Genotype.—Paratachina vulpeculaWulp, 1896, Tijdschr. Ent., vol.

39,p. 106, pi. 2, figs.14-16.

DiffersfromParatachinaprincipally as follows: Palpi

more

elon- gate. Proboscis shorter and stouter, not as long as head-height.

Second antennal joint over twiceaslongasthirdjoint, very slender on basal portion. Head, thorax, scutellum,and base of

abdomen

thicklyclothed with short yellowpile;thirdandfourthsegments with shortblackpile. Macrochaetaeveryweak.

1Dipt.Kx.,Suppl.4. 2Dipt.Saund. 3Sitz.Ak.Wiss.,Wien.,vol. 107, p. 490.

316 PROCEEDINGS OF THE NATIONAL MVSEVM.

vol.r.l.

UGIMEIGENIA,newgenus.

Genotype.

—

Ugimeigeniaelzneri,

new

species.

Differs from Macromeigenia as follows: Male. Vertex distinctly- less than one-fourth head-width. Frontnot nearlyso producedin profile; the parafrontalsandparafacialsnotsowide, thelatterabout thewidthofclypeus. Frontaliapractically

same

wddthasonepara- frontal,

narrowmg

posteriorly at

same

rate. Only one rechnate orbital; ocellars very small; hairs of parafrontals microscopic and notdescendmg below^frontals. Secondantennaljouitnotso elongate, the third jomt about four times as long as second. Eyes bare.

Three to four sternopleurals. Apical decussate pair of scutellars very short, weak.

No

median macrochaetae onfirsttwo abdominal segments; nodiscal on either third or anal segments.

Hind

tibiae thickly cihate.

Hind

cross vein nearly staight, not quite parallel with

maiQ

course of apical cross vein.

Abdomen

lessbristly, with only short appressedhairsbesides themarginalbristles ofthird and anal segments.

UGIMEIGENIAELZNERI, newspecies.

Length of body, 13

mm.;

of wing, 10

mm. One

male,

Banks

Island, offCapeYork, Austraha, 1910 (Elzner).

Head

thicklydeepgolden poUinose, the occiput

shadmg somewhat

into silvery. Frontalia very dark velvet-brown. Palpi and first

two antennaljoints rufous, thu'd jointandarista blackish. Thorax

and

scutellum rather thickly pale golden poUinose; four equally heavy dark-brown^{vittae, the}two ofeachside closelyapproximated, the outer oneshardlyinterrupted and reaching nearlytoscutellum, the inner ones begimiingfarther in frontand reaching onlyhalfway behind suture. Broad baseofscutellum dark brown, the pollinose portionformingaperfectandwell-defined crescent.

Abdomen

^browTi

todark brown, the rathernarrow basesof last three segmentspale goldenpollinose.

The

groundcolor ofbasesofsegments shows some-

what

rufous. Legsblackish; thetibiae brown.

Wings

^{nearly clear;}

the basocostal portion rather broadly golden-smoky, following the

vems more

or lessdistmctly. Tegulae smoky-whitish, with narrow yellow

margms;

frontscaleappearing whiterthanhindscale.

Holotype.—^o. 20044, U.S.N.M.

Named m

honorofHerrElzner, theMalaysian collector.

EUCYRTOPHLOEBA,

newgenus.

Genotype.

—

Eucyrtopliloeha^rJiois,

new

species.

Differs from CyrtopMoeha as follows: Male.

Form

^rather

more

narrowed. Palpi considerably shorter than tliird antennal joint,

somewhat

enlarged apically. Antennae inserted almost on eye- middle, second jomt quite short; third joint over two and a half

317

times second, broadened, stronglyand evenlyconvex on upper edge.

Aristaslightlylonger, thin onapical third orso. Eyes withlonger hah, descending barely to bend of faciaha. Front atvertex fully one-thirdto three-eighthshead-width; lessthanhalf

same

anteriorly.

Parafaciaha narrowed below to about one-third their upperwidth.

Facio-orbitals descendmg nearly as low as the eyes. Cheeks fully one-third eye-height, wider than long.

Wings

a little shorter.

Firstvein bristledon over theproximal half, ending opposite small crossvem. Third

vem

bristled farbeyondsmallcross vem,onfully or

more

than its proximal half. Apical cell very narrowly open, endingasfar beforetip aslengthof apical cross vein. Cubitushalf-

way

betweenfront andhind marginsand only ahttle fartherfrom

tip, with short stump; apical cross vein rather evenly curved in.

Posterior cross vein curved outward, its insertion alittle distad of its origin; latterahttlenearer to small cross vein than to cubitus.

Fifth veinbare,itslast sectionbarelyhalf aslongasprecedingsec- tion. Clawsshorterthanlast tarsaljoint.

Hypopygium somewhat

larger.

EUCYRTOPHLOEBARHOIS. newspecies.

Lengthofbody,6.5 to7

mm.;

ofwing,4.75 to 5

mm. Two

males, head of Rio Piedras Verdes, Sierra

Madre

of Chihuahua, Mexico, about7,300feet,July 15 and 19, 1899,both onflowers of

Rhus

cis-

montana (Townsend).

Palpi and first two antennaljoints fulvous to pale rufous; fron- tahadarkrufoustobrownish; thirdantennaljoint andaristablack.

Parafrontals black, thuily silvery to pale yellowish pollinose; face and cheeks thickly yeUowish-silvery pollinose, the cheeks almost golden. Occiput ashy. Thorax and scutellum black, moderately silvery pollinose,with

more

orlessofaveryfaintbrassytmge; four vittae showing, the inner ones narrower.

Abdomen

shining black, the rathernarrowbasesof lastthreesegmentssilvery-whitepoUinose;

the rest very thinly pollinose as seen in obhque view. Legs dark brown; tarsiblackish.

Wings

nearlyclear, thecostalbordersmoky, thecrossveinsnarrowlyinfuscate. Tegulae Ughtlysmoky, the front scalewhitish.

Holotype.—^o. 20045, U.S.N.M.

ZIZYPHOMYIA,newgenus.

Genotype.

—

Zizypliomyiaceler,

new

species.

Differsfrom DoryplioropJiaga asfoUows: Male. Vertex fuUyone- thirdhead-widthorrathermore, thefrontandfacewideningevenly therefrom. Frontahaquiteaswideasoneparafrontal. Eyesbare.

Two

closely approximated reclinate orbitals, no proclinate ones.

Frontalsnotso closelyset; outside

them some

microchaetae or short bristles. Parafrontals and parafacials wide, of about equal width

318 PROCEEDINGS OF THE NATIONAL MUSEUM.

vol.51, throughout. Faciaha with bristles on not

more

than lower ^third.

Facial plate not triangular, nearly even in width. Vibrissae near oral

margm;

aristathickenedon

more

thanbasalhaK; thirdantennal jointabout two and ahalftimes second,bulgedon upperedge. Four sternopleurals and four postsuturals; apical erect scutellar pair decussate.

No

discals on

any

of

abdommal

segments; thelasttwo segments rather tliickly clothed with appressed pile-Uke hairs.

Apicalcellquite widely open, endingfarther beforetip; apicaland hind crossveinsparallelwitheach other,but not with hind margui ofwing. Tegulaeofnormalsize.

ZIZYPHOMYIACELER, newspecies.

Length of body, 6.5 to 7.5

mm.;

of wing, 4.75 to 5

mm. Two

males, Kenedy, Texas, September 14; and Cuero, Texas, June _9, 1898,onflowers of ZizypTiusoUusifolius (Townsend).

Blackish; head thickly dull silvery poUinose. Frontaha brown, showing

bloom

ⁱⁿ

obUque

lights. First two antennaljointsfaintly rufousin onespecimen. Palpi palerufous. Thorax andscutellum silverypoUinose; fournarrowvittae, the outer onesmteiTuptedand buthttle heavierthan innerones.

Abdomen

shining

brown

to dark

brown

andblack; baseofsecond segmentbroadlysilvery,thepoUen fading out about halfway tohindmargin on median portion, nar- rowinglaterally; thirdsegment withsilveryonlyon medianportion of incisure.

No

pollen on venter. Tibiae brownish.

Wings

clear.

Tegulaewhite.

Holotype.—No.20046,U.S.N.M. (Cuero.)

NEOPHRYXE,

newgenus.

Genotype.

—

Neophryxe psycMdis,

new

species.

Differs from Phryxe as follows: Female. Vertex less than one- third head-width. Eyes bare. Antennae inserted on upper two- thirds of eye; third joint not widened, nearly three times second.

Arista

more

dehcate, basaljoints short. Face belowhardlyone

and

one-third timesaswideasone eye. Faoialiaandclypeus narrower, epistoma

more

bulged. Apical scutellars weaker.

No

true discals on intermediate abdominal segments.

Hind

tibiae subpectinate, tarsishort. Apicalcellnarrowly open, cubituswithstrongwi'inkle.

NEOPHRYXEPSYCHIDIS, newspecies.

Lengthofbody,5.5

mm.

; ofwing,4.5

mm. One

female,

"emerged

from Psychid cases coll. on Azaleas from Japan at Riverton, Nev/

Jersey,

March

25, 1915" (H.B. Weiss).

Black, including antennae and ^{frontalia. Palpi fulvous. Para-} frontals, face, cheeks, and orbits silvery; occiput ashy. Thorax

and

scutellum thinly silvery; five vittae, threenarrowonesin mid-

dle, twowider ones outside. Last tlireo abdominal segments very broadly silveryonbase; especially the intermediate ones, amedian

vitta of black on same; second segment broadly rufous on sides.

Wings

clear. Tegulae nearly white.

Holotype.—^o.20047, U.S.N.M.

EUPTILOPAREIA,newgenus.

Genotype.

—

_Paraplagia erucicola Coquillott, 1897, Rev. Tach., pp. 77-78.

DiffersfromPtilopareia as follows: Ai'istashort, thickened nearly totip. Third antennaljointthreetimessecondⁱⁿbothsexes. Face andfrontahnost

same

widthin female, thefacewideningconsidera- blyinmale. Firstandfifth veins bare; tliird bristledonlytosmall crossveininfemale, shortof

same

inmale(Julietta,Idaho).

KUWANIMYIA,

newgenus.

Genotype.

— Kuwanimyia

conspersa,

new

species.

RelatedtotheAdmontia group anddistinguishedas follows: Dis- tinctprochnateocellarbristles, small,not widelydivaricate. Arista short, thickened, second joint long. Female with two proclinate fronto-orbitals; malewithout,but with widebristly front, theextra- frontal bristles rechnate on posterior portion. Facial depression long, deep, triangular, very wide below ⁱⁿ male and depth better

marked

thanin female. Antennae insertedvery highin male. Fe- malefront aswideas botheyes, that ofmaleonly alittlenarrower, the face widening but slightly from front.

Head

^rather flattened antero-posteriorly, short; male frontal profile subhorizontal, that offemale verysloping. Parafacialswideinfemale,narrowerinmale;

their profile

bowed

outward in both sexes. Cheeks in both sexes hardly one-fourtheye-height. Third antennaljoint offemale

much more

slender than that ofmale. FacialiastronglyciHate.

No

dis- calbristleson abdominalsegments. Apicalcellclosedahttlebefore wingtip.

Hind

crossveininmiddle. Strongcostal spine.

Named

inhonorofDr.S. I.

Kuwana,

ofJapan.

KUWANIMYIACONSPERSA, newspecies.

Lengthofbody,7 to 7.5

mm.;

ofwing, 5 to 5.5

mm. Two

males and two females, Tokyo, Japan, reared fromlarvaofEuj^rodiscon- spersa, July, 1912 (S. I.

Kuwana,

No. 85).

Head

silvery-white polHnose, the black parafrontals andocellar area largelyshowing through thepollen. Palpi, fii'st two antennal jomts,andbasalhalforlessof third joint rufous. Frontaliarufotes- taceous. Thorax, scutellum, and

abdomen

silvery pollinose, the scutellum yellowish on apex; amedian pair ofwell-separatedlinear vittae showing on thorax before suture, and two heavyinterrupted outerones. Pollenof

abdomen

shows mostplainly onbasalhalfor lessof segments two to four. Legsblackish, femora slightlypolli- nose.

Wings

clear,faintly

tawny

onbase. Tegulaewhite.

Holotype.—^o. 20048, U.S.N.M., female. Allotype, male.

320 rROCEEBINGS OF THE NATIONAL MUSEUM.

tol. 51.

DIATRAEOPHAGA,

newgenus.

Genotype.

—

Diatraeophagastriatalis,

new

species.

Female.

Form

narrowed. Front strongly produced in profile, faceveryreceding; head subtriangular inprofile. Vertexfullyone- thirdhead-width; parafrontals and parafacials wide, thelatternar- rowed considerably below.

One

reclinate and two proclinate orbi- tals. Ocellars present. Frontals descending but slightly below baseofantennae. Frontalianarrow. Facial depressionverydeeply hollowed, vibrissaeonoralmargin; facialiaonedgeand formingsides of depression, their crests flush with parafacials, bristled less than halfway up. Antennae about as long as facial plate, secondjoint short,upperedgeofthird jointprolongedintoa pointattip. Arista swollenonbasalthree-fifths, secondjointwellelongated. Epistoma cut off, notched. Proboscis short, palpi normal.

Two

sternopleu- rals; four postsuturals, but the front two weak. Three lateralscu- tellars, a

weak

divergent apical pair, aweaker discal pair.

Abdo- men

witha

weak

medianmai'ginal pairon secondsegment,and

weak

marginalonthirdandanalsegments.

Hind

tibiaewithsparseirregu- lar bristles. Tarsishort, the metatarsi as long as remaining joints taken together. Claws rathershort. Apicalcellmoderatelyshort- petiolate,endingwellbeforetip. Apicaland hindcrossveinsslightly curved and about parallel. Cubitus without stump, right-angled, hindcrossveinwell

removed

therefrom. Costal spinepresent, third veinwithoneratherlongbristleat base.

DIATRAEOPHAGASTRIATALIS,newspecies.

Lengthofbody, 8

mm,

; ofwing,slightlyover5

mm. One

female, Pasoeroean, Java,August,1913,rearedfromDiatraeastriatalis(K.

W.

Dammerman,

No. 385).

Very dark

brown

to black.

The

specimen is badly gi'eased and shows no pollen,but thehead, thorax, and bases of abdominal seg- mentsare almostcertainly silvery to

some

extentin life.

The

tips of palpi and base of antennae

show

faintly rufous,the cheeks and broad margins of parafacials rather

more

so.

Wings

nearly clear.

Tegulaewhitish.

Eolotype.—^o.20049,U.S.N.M.

The

economic importanceof thisformjustifies itsdescriptionfrom thisspecimen.

METOPOSISYROPS,

newgenus.

Genotype.

—

Metoposisyropsoryzae,

new

species.

Differs from Diatraeopliaga female as follows: Male. Front even

more

strongly produced in profile; the parafacials

much

narrower below and their profile

more

bulged, their planes almost at right angleswith thatofclypeus. Vertexalittlelessthanone-third head-

321

widtli, thefront scarcelywidening fromsame, theface onlyslightly widening from front.

Head

almost evenly triangular in profile.

Scarsof

what

areapparentlytworeclinate fronto-orbitals,but nopro- clinate ones. Frontals descending tobase of third antennal joint.

Facial depression not quite so deeply hollowed, ^facialia notciliate.

Frontalia broad, of even width, wider than middle of parafrontal.

Secondantennaljointstrongly elongate; thethirdonlyoneandone- halftimes second, trmicateat tipbutlower angleroundedwliilethe upperissharply pointed. Arista shorter than thirdantennaljoint, porrect, thickened onhardly over basalhalf, the basaljoints short.

Epistoma not notched. Three sternopleurals. Apical scutellars

more

hau-fike, erect,subdecussate. Medianmarginalpair ofmacro- chaetaeonfirstand second

abdommal

segments, median discalpair on second andthirdsegments, marginal

row

onthird and anal, the last also with a discal row. Tarsi elongate, normal; claws quite elongate. Apical cell widely open; the apical and hindcross veins

more

bent.

Same

singlelongbristleatbase of thu-dvein.

METOPOSISYROPSORYZAE, newspecies.

Length ofbody, 7.5

mm.;

ofwing, 6

mm. One

male,Bandoeng, Java, August, 1912,rearedfrom "rice-borer?" (K.

W. Dammerman,

No.313).

Dark brown

to blackish. Parafrontals, face, cheeks, and orbits silvery pollinose; occiput ashy. Antennae andpalpi black. Thorax andscutellumsilvery, two narrowinnervittaeand two very wide and heavy^outer ones. Last thi'ee abdominal segmentsbroadlysilvery- whiteonbase; thepollenbroadeninginmiddle on the intermediate segments,butleaving awide medianvittaonsecondandanarrower one onthird.

Wings

very faintly tinged with smoky, almostclear.

Tegulaenearly white.

Eoloty^e.—^o.20050, U.S.N.M.

Genus

CHAETONODEXODES,

newgenus.

Genotype.

—

Chaetonodexodesrafaeli,

new

species.

Seems allied to Oestrogastropsis, the male of which is unknown, differingfromthe femaleofthatgenusas follows: Male.

Form

very naiTowed; the

abdomen

still narrower than head and thorax, sub- cylindricalbut narrowedapically. Frontofevenwidth withvertex, alittleoverone-fifthhead-width;frontaliawiderthanoneparafrontal.

Ocellars as strong as frontals. Three reclinate and two proclinate orbitalsas infemaleofthat genus. Facialia cihate. Thirdantennal jomt two and ahalf times second. Parafacials almostlinear.

No

discal bristles on

any

of the abdominal segments. Tarsi deUcate, claws very short.

Wings more

narrowed, costal spine distinct.

Sternopleural, postsutural, and scutellar bristles same. Eyes de- scendingjustaslowas vibrissae,'lessthan twiceashighasbroad.

86399°—Proc.N.M.vol.51—¹⁶ 21

322 PROCEEDINGS OF THE NATIONAL MUSEUM.

vol.51.

CHAETONODEXODESRAFAELI,newspecies.

Length of body, 5.5

mm.;

of wing, 5.5

mm. One

male,

San

Rafael, VeraCi-uz,Mexico,

March

23, 1896 (Townsend).

Brown

todark brown. Parafrontals, face,cheeks,andorbitsashy pollinose. Frontalia velvety dark brown.

Thorax

and _scutellmn blackish; the hmneri, in-egularhind border of presutural area, and broaddisk ofpostsuturalarea brassy-cinereous; pleurae ashy.

Abdo- men

faintlyashy on narrowbasesof lastthreesegments; restofter-

gum

ratherdark brown, the venter andlegsrather lighter.

Wiags

faintly

smoky

tlu-oughout, the tegulaepalesmoky-yellowish.

Holotype.—lSio.20051, U.S.N.M.

Family

RHODOGYNIDAE.

Genus

EUTHEROPSIS

Townsend.

EutheropsisTownsend,Ent.News,vol. 27, 1916, p. 178.

Genotype.

—

_Euthera mannii Mik, 1889, Wion. Ent. Zeit., vol. 8, p. 132,fig.

Differs from Euthera as follows: Second antennal joint not so elongate, the

thud

jointover twiceto nearlytliree timesaslongas second. Basal arista! joints distinct. Parafacials pilose. Facial carina sharp, acute, very prominent. Epistoma very prominent.

Palpi clavate. Female with two proclinate orbitals. Male claws short. Female front tarsi flattened. Apical cell short-petiolate, endingfarbeforewingapex. Alulaeofwingsverylarge,elliptical.

Genus

GEROCYPTERA

Townsend.

GerocypteraTownsend,Ent.News,vol. 27, 1916, p. 178.

Genotype.

—

TricJioprosopa marginalis Walker, 1861, Journ. Proc.

Limi.Soo. (London),vol. 5, p. 157.

ForcharactersseeAusten,^andtheoriginaldescription

by

Walker.^

FORMICOPHANIA,

newgenus.

Genotype.

—

FormicopJianiaelegans,

new

species.

DiffersfromOrectocera as follows: Male.

Much more

slender,with petiolate abdomen. Cheeksnarrower, about one-fourth eye-height.

Vertexdistinctlynarrower. Facialiawithoutsignofbristlets.

Two

sternopleurals.

Two

lateral scutellars, and a decussate apical pair;

nodiscals. Firsttwo abdominal segmentsnarrowed, secondwiden- ing a little posteriorly, third ^videning from second, the fourth widest,thefifthnarrowingrapidly behind. Asidefromthenarrowed basal part, the

abdomen

is strikingly swoUen-suboval in form, the ventral profile nearlystraight, thetergal profile very convex.

The

•Ann.Mag.Nat.Hist., ser._7,vol. 19, p. 346. ^{"^}Jcurn. Proc. Linn.Soc.(London),vol.5,p.l.')7.