RT. 10 GALL-INHABITING CYNIPID WASPS WELD 85

8Q PROCEEDINGS

OF

THE NATIONAL MUSEUM

^vol.08

somewhat

^{radiall}^} without

any

false

chamber and

the exit hole is in one ^side.

Habitat.

— ^Type

^{material collected at} Pataironia. Arizona, on

December

12, 1921,

when

the galls contained pupae.

The

adults were cutout of thegallson

January

1.

One

paratypeAvas cut

from

a gall collected in the Chiricahua Mountains. Similar galls have been seen on Q. undulata

on Abo

Pass in the Sandia ]Mountains, near Socorro, in

Nogal Canyon, and

in

Burro Mountains

in

New

Mexico.

ANDRICUS TUBALIS. new species

Female.

— ^Dark

reddish-broAvn,

mesonotum and

posterior third of second tergite nearly black, antenna yellowish.

Head

granulate, coriaceous above antennae;

from

above transverse, broad as thorax, cheeks narrow, but ^slightly broadened behind eyes, occiput not concave;

from

in front

malar

space .4 eye without groove but fine ridges

from comers

of clypeus, antenna filiform, 13-seginented, lengths as (scape)

14:6:12:12:11:10:10:9:9:8.5:8:7:12.

Sides of

pronotum

rugose, pubescent.

Mesoscutum

dull, coriaceous with scattered setigerous punctures, parapsidal grooves smooth, wider behind, obsolete anteriorly,

no

median. Scutellum with Iavo pits at base, disk rugose, sloping laterally

from

a

median

coriaceous ridge. Carinae on

propodeum

short, stout, slightly arcuate. Meso- pleura striate betAveen shining coriaceous areas above

and

below.

Hind

coxa

and femur

stout.

Claws

with tooth.

Wing

hyaline, pubescent, ciliate, veins yellowish-brown, cubitus

and

anal scarcely visible, firstabscissaof radius angulate, areolet large but faint.

Ab- domen

as long as thorax, length to height to Avidth as 36:35:22.

lengths of tergites as 34:2, rest telescoped, A^alves oblique, ventral spine slender.

Using

width of

head

as a base the length of

mesonotum

ratio is 1.3, antenna 1.9. ovipositor 2.0, Aving 3.1.

Length, 2.8

mm.

Tyi)e.

—

^{Cat. No.27217,}

^U.S.N.M.

^{Paratype in balsamAvith author,}

Ilost.

—

_Quercus arizonica.

Gall (fig. 21).

—

^Arising

from

a Aveak

bud

on small tAvigs, usually on Avood of previous year, easily detachable. Trumpet-shaped, the outside fluted, tapering to a sessile or clasping base, the flaring

end forming

a shalloAv cup in the bottom of Avhich is the exit hole, 5-8

mm.

long, cup

up

to 7

mm.

in diameter. yelloAvish-Avhite in color.

The

single larval cell lies longitudinally in the cylindrical stem of thegall,

no

false caA^ity present.

Habitat.

— ^The

typematerialAvascollected

June

22, 1918, at Oracle, Ariz.

The

tAvo adults

emerged and

died before

August

23,

Empty

galls Avere seen at the

same

locality in December, 1921. Precisely similar galls Avere observed

on

Q. ohlongifolia at Nogales.

ART. 10

GALL-INHABITING

CYNIPID

WASPS WELD 87

ANDRICUS TUBULARIUS, new species

Female.

— ^{Head and}

^thorax reddish-broAvn. infiiscated about meta- iiotum.

abdomen

red.

Some

have vertex

and

whole thorax

more

or less infuscated. Face, sides of thorax

and

scutellum with short white pubescence.

Head

granulate, broad as thorax, cheeks broad- ened behind eyes, occiput concave,

malar

space .35, eye without groove, fine radiating ridges at corners of clypeus, antenna filiform, darker distall3% lo-segmented, lengths as (scape)

12:8:19:19:15:

14:11:11:9:9:9:8:8:8:11. Mesoscutum

shining, microscopically coriaceous with scattered setigerous j)unctures, parapsidal grooves narrow, smooth, complete, no

median

groove but a

median

pebbled streak extends

halfway

back to scutellum. Scutellum rugose with

two smooth

transverse pits at base. Carinae

on propodeum

nearly straight, slightly converging above, neck rugose. Mesopleura Avith a

smooth

bare area. Tarsal claws with a tooth.

Wing

hyaline, pubescent, ciliate, veins brown, radius heavy, first abscissa angulate

and

slightlyclouded, areolet reachingone-fifth, cubitus three-fourths

way

to basal.

Abdomen

as longasthorax, length to height to Avidth as 20:18^:13, lengths of tergites along dorsal

margin

as 52:IG, rest hidden, second with pubescent areas

on

sides, ventral spine short, in side view three times as long as broad, pubescent,

from

beloAv tapering

from

base to apex.

Using width

of head as a base, the length of

mesonotum

ratio is 1.3, antenna 2.5, ovipositor 2.8,

wing

4.0. Length, 1.65-2.5

mm. Average

of 42 specimens, 2.18

mm.

Type.—Q.2it. No. 27218,

U.S.N.M. Type and

15 paratypes. Para- typesat

American Museum,

Field,Stanford,

Harvard, and

Philadel- phia

Academy.

Host.

—

Quercus uiululata.

Gall (fig. 22).

— ^Smooth,

tan-colored, blunt, cylindrical cells burst- ing out through the bark singly or in vertical rows of 2-6, only the upper third or less protruding, not deciduous. Single cells

measure

3.2

mm.

long

by

1.7

mm.

in diameter with Avail .1-.2

mm.

thick.

Occur

in early

summer

on small tAvigs of previous season's groAvth.

Exitholeatapex

and

old galls

show

as a

row

of holes.

Hahitnt.

— The

type material

was

collected April 6. 1918, near

mouth

of Tijeras canyon inthe Sandia Mountains,N.

Mex. (Hopkins

U. S. No. 15626e). Adults

emerged

April 12. Galls Avere seen at

same

locality in NoA^ember, 1921, the cells then just bursting through the bark. Galls were collected in the

Magdalena Mountains

^also.

ANDRICUS UTRICULUS (Bassctt)

Thesegalls on Q. alha leaves haA^e been seen at

Winnetka,

Ravinia, Fort Sheridan, NeAv Lenox, Utica (StarA^ed Ilock),

and

Moline, 111.;

at Ithaca, N. Y.^; at Ilosslyn

and

Alexandria, Va.^; at

Plummer

88 PROCEEDINGS

OF

THE NATIONAL MUSEUM

vol.68 Island,

Md.

^;

and Washington,

D. C. Flies

emerged from

theIthaca galls

on June

15,

New

Lenox,

June

^IG. Similar galls on Q. stellata,

giving similar flies,have been seen in Virginia

and

Texas.

William

Beutenmueller collected

them

at

New York

City, the flies

emerging June

5, 1915.

ANDRICUS WILTZAE FuUaway

This species Avasdescribed

from

Palo Alto, Calif.,

from

Q. ^lobata.

The

writer has ^{collected galls} on this oak at Palo Alto, Paraiso Springs,

Paso

Robles,

Kaweah,

Visalia, Stockton, Oroville, Chico,

Red

Bluff,

Upper

Lake, Lakeport, Ukiah,

and

Santa Rosa. Dr.

J. C. Bradley collected galls at

Sacramento and

Davis,

March

9, 1918,

and

^{reared adults,}

some

of

which

were still alive in the

box

on

May

^10.

The young

galls

may

be

found

developing in early September.

The

writer reared flies

which

agree with the Stanford type

from

galls on Q.

dumosa^

flies

emerging

April 5

from

galls collected at Descanso on

March

6

and from

galls collected in the Santa

Ana

range on

March

IG.

On ^March

18 a living fly

was

cut

from

a gall collected in

Waterman Canyon

in the

San

Bernardino Mountains.

The

galls were seen also at Boulevard, Ojai,

and

Palo Alto.

CALLIRHYTIS ATTIGUA, new species

Female.

—

^{Red, infuscated on distal half of antenna,}

^metanotum,

metapleura,

propodeum,

base of metacoxa; eyes

and

ventral valves black.

Head

coriaceous, face pubescent;

from

abovetransverse,broad as thorax, cheeks broadened behind eyes, occiput straight;

from

ⁱⁿ front wider than high as 74: 54, facial area one

and

three-tenths times as broad as high,

malar

space .38 e3"e, antennae filiform, 14- segmented,lengthsas (scape) 16 (width9) :"^P(7.5) ^:22(G) : 18: 14:13:

12: 11:10:9:9(7) ^:8:8:13,last pointed. Sides of

pronotum

finely rugose.

Mesoscutum

bare, coriaceous, parapsidal grooves narrow, deep, percurrent, separation behind about four times width of groove, scarcely a trace of a

median

behind, anterior lines

smooth and

shining. Scutellum rugose,

two

deep

smooth

pits at base.

Carinae

on propodeum

bent slightly outward. Mesopleura cori- aceous.

Hind

tarsus about two-thirds length of tibia, claws simple.

Wings

yellowish, pubescent, ciliate, first

and

second cross-veins clouded, first abscissa of radius faintly angled, areolet reaching one- ninth

and

cubitus seven-tenths

way

to basal.

Abdomen

ecjual to head

and

thorax, lengthtoheight to width as 32:30:19, lengths of torgites along dorsal

margin

as 78:21:6^:5:6:3, second with sparsely pu- bescent areasatbase

and

hind border

and

exposed parts of all other tergites coriaceous like mesoscutum. Ventral valves oblique, ventral spine slender, tapering, in side view about 5 times as long as broad.