august psyche. 5--proc. ix,downloads.hindawi.com/journals/psyche/1902/082978.pdf · august 9oz]...

August 9oz] PSYCHE. 81

5--Proc. Davenport acad. sci., IX,9o2). At Mr. Scudder’s request I havejust examined the species concerned andfind that the first described is a short-winged Arethaea closely allied to A.Carita Scudd., (First list orth. NewMex., p. 52)and consequently becomes

A. brevicauda. The New Mexicanspecies is a true Dichopetala but a

change in the specific appellation isnecessary and brevihastata (a name sug-gested by and to be credited to Mr.Scudder) may take its place.

A. P. MORSe..

GROUP CHARACTERISTICS OF SOME NORTH AMERICAN BUT-TERFLIES- II.

BY SAMUEL H. SCUDDER, CAMBRIDGE, MASS.

Subfamily EUPLOEINAE.

Mature caterlillar.. Head smooth, un-

crowned. Body cylindrical, taperinganteriorly, naked, but provided with a

greater or less number of lateral rangedfleshy protuberances or filaments, neverwith spines, and gaily and brightlycolored, generally with transverse stripes.Feeds almost exclusively on Asclepiada-ceae and Solenaceae. Chrysalis: Withno conspicuous prominences, all the partrounded, the thorax and abdomen gener-ally not deeply separated, the appen-dages not raised above the general curveof the body, the abdomen plump, or withsome portion of the body specially plump.

Tribe LIMNAINI.

Butterfly: Males provided on hindwings with one or more spot-like pocketsconcealing androconia, or a surface patchor patches of androconia (wanting in

some paleogean genera), but no rows oferect hairs. Females with short andclub shaped fore tarsi. 2gg" (Distinc-tion from Ithomyini not known) Cater-2Mllar at birth.. Some of the body seg-ments provided, besides the rangedbristles, with low roughened tubercles.Mature caterpillar: Body furnished withslender and filamentous appendagesotherwise naked markings mostly trans-verse. Feeds on Asclepiadaceae. Chry-salis: Dorsally very tumid at about thethird abdominal segment, often trans-versely ridged in this part; markingsnot unusually prominent.

Synopsis of the genera.

I. ANOSIA. Butterfly Cell of forewing nearly three fifths, of the hind wingabout two thirds, as long as the wing.No spots in the middle of median inter-spaces of fore wings. Egg Half or lessthan half as high as broad, with more

382 _PS VC//.E. [August, 9o2

than twenty vertical ribs nearly all reach-ing the summit. Caterpillar at 5ir/]:

Ranged appendages simple taperinghairs not half so long as segments; a

pair of papilliform naked tubercles on

second thoracic and eighth abdominalsegments. JVZature caterjillar" With a

pair of long fleshy filaments on the same

segments but not on second abdominalsegment. C]zrysalis Ocellar tuberclesslight and but little prominent; semi-circle of mammilate points on third ab-dominal segment in a horizontal serieswhen pendant.

2. TASITIA. Juttejy: Cell of forewings hardly more than one half, of thehind wings less than three fifths, as longas the wings. A series of white spotsin the middle of median interspacesof fore wings. .EgW: Unknown. Ca/er-

pillar at 3ir#z Unknown. WZa/ure

caterpillar: With a pair of long fleshyfilaments on the second thoracic andsecond and eighth abdominal segments,.Clrysalis Ocellar tubercles rather prom-inent; semicircle of mammilate pointson third abdominal segment in an

oblique series when pendant.

Anosia Httbner.

2?utterjgy" Palpi modmately stout,densely clothed with long hairs to thetip; club of antennae twice as stout asstem. Discoidal cell relatively long, inthe fore wings nearly three fifths, in thehind wings about two thirds as long as1/he wing; fore wings with produced apexso that the wing is twice as long as

broad, the cell much longer above than

below. _Egg: Half as high again as

broad, or slightly less, rapidly taperingto a rounded summit, with over twentynot very prominent vertical ribs most ofwhich reach the summit, and numerous

straight and delicate transversals form-

ing quadrangular cells. Laid singly.Caleri/lar at lir/k: Subdorsal and

supralateral appendages anterior, lateraland infrastigmatal posterior, and latero-

stigmatal median, none half as long as

segments; on second thoracic and eighthabdominal segments a pair of lateralnaked tubercles. Ala/ure ca/eriZlar Apair of long fleshy filaments on thesecond thoracic and eighth abdominal

segments (but none on second abdomi-

nal), the hindmost but little longer thanthe segment. Carysalis: Stout and

rounded, the ocellar tubercles slight andnot very prominent, the semicircle ofraised points on third abdominal seg-menthorizontal when pendant. (&,do,unholy, in reference to its color )

A. plexippus Linn. (Danat’s arc/z@lSusAuct., Pap. er@us Cram.). Bulte,yqy:Wings bright tawny brown, paler on theunder surface of the hind wings, the veins

all marked with black and both costal andouter margins broadly bordered witl black,sprinkled with white dots besides the wholeapex of the fore wings is more or less deeplyblack but enlivened by two or three dulltawny interspaceal subapical spots and by a

couple of parallel series of large white or

buff spots crossing the apex beyond the cell,the outer only crossing the wing. Expanseioo mm. Egrg. Pale amber green verticalribs twenty-two in number, intervals smoothand glistening. Height 1.2 mm. Cater-illar at birta: Head piceous. Body pale

August 9o .PS YCttE. 383

green, slightly infuscated on anterior borderof the segments; ranged appendages blacktubercles of second thoracic and eighth ab-dominal segments fuscous; a piceous latero-dorsal blister on first thoracic segment.Length 3 ram. Mature caterpillar: Headyellow with piceous arched bands. Bodytransversely banded with more or less inter-

locking bands of white, black, and lemon yel-low; spiracles piceous; filaments black.

Length 45 ram. Feeds on various species ofAsclepias but especially A. cornuti and hasbeen found also on Acerates and even on

Apocynum. Chrysalis Delicate pea green,tubercles gilt, but those of third abdominal

segment set in a tricolored band, shiningpiceous in front, gilt behind and nacreous

between, the last two dividing the tubercles.

Length 27 mm.--The entire United Statesand southern Canada from Atlantic to Pa-cific, but believed to winter in the more south-

ern portions and annually to migrate north,

breeding beyond as well as within its naturalregion, returning south in the autumn in

swarms. At least double brooded in the

south. SVintering as a butterfly, on thewing all suinmer.

Tasitia Moore.

]3utter/ly: Palpi moderately slender,thinly clothed with hairs and scales ;clubof antennae less than twice as stout asstem. Discoidal cell relatively short, inthe fore wings hardly more than one half,in the hind wings less than three fifthsthe length of the wing; fore wings lessproduced, being less than twice as long as

broad, the cell no longer above thanbelow; androconial pouch of hind wingslarger than in Anosia. Tgg" Unknown.Caterpillar at birth Unknown. Maturecaterpillar With a pair of long fleshy fila-

ments on the second thoracic, second andeighth abdominal segments, in all cases

much longer than the segments.

LIFE HISTORIES OF NORTH AMERICAN GEOMETRIDAE.XXXIV.

BY HARRISON G. DYAR, WASHINGTON, D. C.

Deilinla quadraria Grote.Egff. Elliptical, the large end strongly, a

little obliquely truncate, the other flattened

depressed; truncate end convex in the cen-

ter. Reticulations linear, narrow, slightlyraised, arranged in straight rows the lengthof the egg"or very slightly spiralled, alter-

nated, so that the parallel lines are waved;

just at the edge of the truncation the reticu-

lations become small, sharp ridges. Trun-cate end smooth, obscurely reticulate. Lightblue-green size .9 x .55; x .4 mm.

Stage L Head rounded, reddish luteous,

the pointed mouth brown slightly bilobed,

free, nearly erect. Body moderate, normal,uniform, smooth, whitish; a rather broadpurple brown dorsal stripe, roundedly dif-fuse at the ends and a similar subventral one

on joints to 3, narrowly diffuse at theends, segmentarily submaculate in darker.Feet whitish, normal; tubercles and setaeobsolete.

Stae II. Itead rounded, bilobed, with

s’mall shield-shaped clypeus, free, erectwhitish, dotted mottled in purple gray, butleaving a pale, erect streak on each lobe.Body slender, rapidly vibrant before loopingwhitish, opaque; dorsal stripe broad, purple

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