NYMPHALIMS.

54 PROCEEDINGS ENTOMOLOGICAL SOCIETY

DESCRIPTIONS OF THE LARV.E OF SOME LEPIDOPTERA FROM MEXICO

BY HARRISON

G.

DYAR.

The _following

larvae

have been obtained by

^the

Bureau

of

Entomology ^{from Mr.} W. Gugelmaun, ^bred by him

at

Mis-

antla,

State

of

Vera _Cruz, Mexico.

PAPILTONID^.

Papilio belesis

Bates.

Larva.

Head

rounded, slightly bilobed, shining black, with _pale secondary ^hairs onthelowerparts of the ^sides.

Body

subcylindrical, uniform; a subdorsal

row

of short _papillae. Black; ^a large white dorsal saddle on _joints 8 and _9, incised before, the points running

down

to the spiracle on _{joint 8;}

two rows

of round red _{spots, stig-} matally andsubventrally.

Food _plant: Anona.

NYMPHALIMS.

Gynaecia

^dirce

Linnaeus.

Larva.

Head

_strongly bilobed, each lobe withalong apical horn with _{short, irregular} branches;

head

_{shining black,} with several smallinconspicuous horns especially laterally, ^all these as well at the large apical horn, pale yellow.

Body

cylindrical,taperingonly slightly atthe _ends;

rows

of spinose processes, each process with _{a straight} shaft

and

three or four branches, collected into a subapical crown;

joints² hasonly a small subdorsal _process; on_{joints 3} and4 are

two

rows, subdorsal andlateral; on 5to12, three rows; onjoint13, a sub- dorsal pair only; ^all theprocesses paired.

Body

^black, the processes contrastinglightyellow; laterally on each

segment

anteriorly anoval dale yellow patch, small on joints 2 to 4, largeon 5to _12, none on joint^13.

Eunica modesta Bates.

Larva.

Head

_angularly bilobed,

roughened

^{with conical} secondary tubercles bearing pale seise; pale orange color, abroad black

band

acrossthe mouth, withirregular

upper

border, reaching nearly^tothe

apex

of clypeus.

Body

cylindrical, slender, a ^little enlarged at joint 12 andthe sides of joints 3; atthe enlargements are low, degenerate processes, a dorsal cone with short branches andasubdorsal _pairon joint 12, a collection of lateral tubercles on _{joint 3,} these colored black.

Elsewhere

no processes aredeveloped, but the

body

^isrough- ened with scattered black secondary tubercles, bearing rather long dark_setae, and arrangedⁱⁿ transverse lines. General color dull or-

ange

^{with alateral black} band,

which

widens into apatch covering the _spiracle; a large cone laterally in this patch.

Feet

and _leg- shieldsblack.

Food _plant: Zanthoxyluin pen ^tamo

^n.

HESPERIID^.

Thymele

^fulgerator

Watch

^.

Larva.

Head

large, roundlyflattened before, witha slight vertical notch; densely covered with ^fine secondary hairs,

which become

_long onthe vertex; dark brown, ^theclypeus black, the lobes with vertical pale streaks,

somewhat

divergent above

and

confluent towards the clypeal sutures.

Neck

_verysmall; joint 2small, with _{a shining}black dorsal_shield;

body

enlarged posteriorly, subcylindrical, stout, taper- ing a ^little at the anal end.

The

skin ^is covered with rather _long white secondary hairs,

somewhat

sparsely placed. Color black above, with _large yellow spots,

two

on a segment, the anterior one very large,the posteriorone _small,transverse andpaler yellow.

The

_spots begin on joint^3, but are small; large andof nearly equal^size onthe

abdomen;

onlyone on _joint13,rathersmall.

Area below

the spiracles crimson, darker on the abdominalfeet. Thoracicfeet black.

SATURNIID/E.

Automeris leucane Hiibner.

Larva.

Head

_larger than _joint2, flat before, rounded above, not bilobed; shining black, shagreened, with a

few

short, inconspicuous secondary^setaa.

Body

cylindrical, tapering before and abruptly ^be- hind; coal-black, a little wrinkly-shagreened

and

with a

few

_sparse pale secondary hairs; spines light yellow.

The

_spines are in four

rows

on _joints 2 to_5; five

rows

on _joint6; three

rows

on _joints7 to 10; four

rows on

joint 12; a single dorsal and three other

rows

on joints ¹³and14.

The

_{spines are} rather _short, each with several long branches, tippedwith small black points; the

two upper rows

of joints 2

and

3are rather longer than the others, as are also the dorsal ones of 13 and _14; the subventral ones are small. Feet

and

leg-shields shining^black.

Food _plant:

1'roena.

Arachnis aulea Geyer.

Larva.

Head

_rounded, flat before, slightly bilobed, shining black with _{long black} primarysetae;

median

_suture, epistoma and basesof antennae _pale.

Body

cylindrical, taperingslightlyanteriorly, purplish black, darker inthe centers of the segments.

Warts

_{large, normal,} equal, dull red, but not contrasting, bearing dense, short, stiff, spiny black hairs. Feetblack; leg-shields deep brown.

56 PROCEEDINGS ENTOMOLOGICAL SOCIETY

(PERICOPID^).

Pericopis lycaste Klug-.

Larva.

Head

_larger than_joint2, rounded, scarcely bilobed, a ^little wider than high, with

primary

setae; shiningbrown, a blackish shade on each lobebelow nexttothe clypeus;

median

suture, epistoma, and bases of antennae _pale.

Body

cylindrical, the feet large.

Warts

large, ^iv rather smaller than the _others, but i about as large as ii;

one_large

wart

_onlyon_{joints 3} and4abovethestigmatal wart. Hairs dense, fine, silky brown, rather long and longer ^at the extremities.

Dull brown, shaded with blackish, especiallyⁱⁿ obscuredorsal, lateral, and stigmatal lines, this

marking

largely an effect of the darker spaces between.thedullpale reddishwarts. Joint4 is lighterthrough- out. joints 5and 11 are dark, their

warts

largely black; joint 12^isa littlelight also, while _3, 6, and 13 are

somewhat

darkened, giving the dark and _light

banded

effect usual in the pericopid larvae, although here the contrastisnotmarked. Feet and leg-shieldsdark brown.

NOCTUID^.

Bolina comprehendens ^Walker.

Larva.

Head

smaller than _{joint 2,} rounded, scarcely bilobed, the clypeus rather high; whitish with

numerous

small black _{spots; pri-}

mary

^{hairs rather} long, pale.

Body

cylindrical, long

and

slender, looped

up

^{a little} at joints⁵to7, the feet of joint 7 small, unused;

tuberclesand seise reduced, ^invisible. Coloration ageneral ^bark-like effect; dull whitish

gray

^{with a reddish}

brown

tint, especiallythrough thedorsum; ^asubdorsal blackline,

waved,

being bent inward ^{at the} segmental incisures,

somewhat

broken posteriorly,

forming

^{a doton} joint ^12.

A _geminate powdery and

broken lateral band; ^ared-filled substigmatal band; bases of the feet mottled with white

and

with white patches around the spiracle of joint ^12.

Between

these

mark-

ings the skin ^isdotted with black and red.

Feet

concolorousingen- eral effect, dotted and with ared lineanteriorly.

EUPTEROTID^;.

Zanola _verago Cramer.

Larva.

Head

_rounded, flat before, the clypeal sutures impressed;

coveredwith rather long black secondary hair; gray-black, dull, the clypeusshining,^itssutures_pale; abroad_pale

band

covering^the

median

suture.

Body

cylindrical,uniform; subdorsal and^lateral

narrow

_yellow

lines infiltrated with _red; an _irregular double

wavy

^{dorsal line; skin} ocvered with secondaryhairs,abouthalf aslong^{as the}diameterofthe body, darkcolored, but not_black; tuftsof longblack hairs subdorsally on_joints3, 4, and _12, the_{longest of}

them

with their_tips

widened

into flattriangular scales with serrated tips; other black hairs, notform-

ingtufts, along ^the body

from

the larger of theprimary warts; warts low, concealed and confused in the secondary ^hair. Thoracic feet lightred-brown; abdominal ones^dullvinous.

The

larva

has the

structure of

the geuus Apatelodes Pack-

ard,

which has been placed

ⁱⁿ

the Eupterotidse The _group

is also relaeed to

the NotodontidEe, and has been more _gener-

ally

included

in that family.

Turenna

dirphioides

Walker.

Larva.

Head

large, rounded, slightly bilobed; clypeus small;

whitish brown, scarcely mottled,

more

white shaded overthe clypeus;

white secondary ^{hairs are}

numerous

on the lower part ^{of the side.}

Body somewhat

_{flattened, uniform,} the feet slenderand ratherlong;

lateral

wart

of joint 2 large; three small warts above the stigmatal

wart

on _{joints 3} and 4; onthe

abdomen warts

i and ii equal, rather small, tending^toliein line, ⁱⁱⁱand iv closelyapproximating,^function- ally one large wart, v and vialso

somewhat approximated

and nearly in line, appearing as one, leg shields densely hairy. Small whitish retractile tubercles dorsally on _{joints 10} and 11. Coloration whitish

brown;

^{ablack lineon} the large

wart

on_joint2; asquare black^dorsal patch

between

3 and 4; an _oblique subdorsal bar on 8,

somewhat powdery

and broken; an oblique lateral line on _11-12; ordinary

mark-

ings obsolete, the skin a^little mottled anda

narrow geminate

^blackish dorsal line. Hairs abundant,

from

the warts _only, whitish, short dorsally,

much

longer laterally.

Feet

all pale.

The

larva is flattened

and _{with long}

lateral hairs

and bark-

like coloration, superficially

much _resembling

a

lasiocampid

like

Tolype. The

structure,

however,

^is

normal

for

the

Liparidae.

Food _plan

t:

Psidiu

in.

LASIOCAMPID^.

Tachyptera

psidii Salic.

Larva.

Head

large, rounded, ^flattened before, slightly bilobed;

black, brownish ^atthe _sides, the clypeus and paraclypeus ^{as well as}

median

suture narrowlypale;

numerous

dark secondary ^hairs through- out.

Body

cylindrical, tapering ^{a little} posteriorly; black, without markings; hairall secondary, dense but short, foxy red, arranged ⁱⁿ

little patches; dorsal hair mostlydirected

upward

^andslightly keeled along the dorsal line; lateral hair projecting

outward

or

downward.

Warts

all obsolete, only a trace of a^lateralprojection on _joint2.

Food

_plant'.

Psidium.

58 PROCEEDINGS ENTOMOLOGICAL SOCIETY Claphe maria Schaus.

Larva.

Head

moderate, round, scarcely bilobed, black with

gray

pruinosity; a yellowish white line across

from

bases of antennas;

labrum

yellowish white;

median

suture narrowlypale; densely covered with white secondary^hairs.

Body

cylindrical,uniform;

dorsum

_black;

a lateral yellow line,

from which

transverse yellow bands traverse the dorsum, one on each

segment

^behind the middle,

some

broad and distinct,

some narrow

or obsolete; the one on _joint 7isthe

most

dis- tinct; thoseon_{3, 4,} and9 are next, the others being quite

narrow

or even obsolete. Lateral _region dark _gray, with a pale diffused sub- stigmatal ^line.

Warts

obsolete dorsally, only the subventral _lappet- warts visible, fairly prominent,

two

warts present on joint^2. Sec- ondary^hairsfine, short, white,with longer white ones

from

the lappet- warts andin small groups subdorsally; dorsal patches ^{of short}crim- son hairsin

which

the white subdorsal clusters arise. Thoracicfeet yellow-white; outersides of theabdominal feet also ofthis color.

The

cocooniswhite, andtheshortcrimson hairsare thrustthrough

it inirregular patches.

Food p

^hint:

^Persa gratissima.

MEGAL,OPYGID^.

Megalopyge

^albicollis

superba Hy. ^Edwards.

Larva. Head

rounded, ^{retracted in}joint2,

which

in turnis within joint^3, except ^foritshairy front margin.

Body

elliptical,

somewhat

flattened on the ventral part; of a^dull reddish _color, entirelycovered

by

^thelong dense hairs; hairsfoxy red, curving smoothly backward, alittlekeeled on the dorsal line; nospecial tufts or^curls. Feetnor- mal, the thoracic feet small; an extra _pair of poorly developed ^feet on _joints 6and 11.

Before the last stage, the larva has fine white hair, higher and crestedon _{joints 4-5}

and

_projecting

backward

in a loose tuft behind;

some

feathered _curling black hairs in little tufts subdorsally,

em-

bellishing the basesof the anterior and _posteriortufts.

Actualdate ofissue,

March

13, 1912.