36 Journal New Yokk Entomological Society. [Voi. viii. 



2. VirginiLiila is also a neatly distinct species not likely to be con- 

 fused with anything. The absence of the transverse lines and the 

 yellow secondaries give it a very characteristiq look. About the larva 

 very little is known. The moth flies early ; I have not taken any 

 after the middle of June and I presume the larva must hibernate full 

 grown. I have not had the larva, nor has it been bred at the Depart- 

 ment of Agriculture. A brief description has been published by Mr. 

 Coquillet, but I cannot gather from the description anything that will 

 distinguish the larva from that of virgo. Practically everything is 

 still to be learned about this species. 



3. Miiliabo is a peculiar form, in markings close to virgo, but in 

 color so near argc that the two are liable to be confused, and have 

 been so in some collections. It is a simpler form than arge, the bands 

 retaining their usual shape, only the inner one being occasionally 

 somewhat tooth-like. The species ranges throughout the Atlantic 

 States like the preceding, but it is commoner southward. I have no 

 dates of flight, except one record of emergence of a moth from 

 Florida on April 15th. The larva doubtless hibernates full grown. 

 No description is extant ; but fortunately I have a blown larva before 

 me from the Riley collection as well as cast skins from the Department 

 of Agriculture and some notes (Dept. Agr. no. 2588). The larva is 

 grayish black, head black, the body rather grayish brown, with a 

 broad, distinct, straight, cream-colored dorsal stripe. Hair rather 

 long and, though coarse, somewhat soft and brownish. Spiracles 

 white. The notes a'dd a more or less interrupted white subdorsal line, 

 but it does not show in the blown or alcoholic specimens nor in the 

 cast skins. The larva is a close ally of arge^ but differs in the absence 

 (or reduction) of the subdorsal lines. The full life history is needed. 



4. Arge is probably our best known species. The moth is peculiar 

 and distinct with its broad vein linings, tooth-like bands and pale pink 

 coloration. It is double brooded, the moths flying in May and July- 

 August. . The full grown larva is not infrequently met with late in 

 Fall or in warm days in Winter, having emerged from hibernation. It 

 is grayish black with dorsal and subdorsal lines alike broad, distinct, 

 cream-color, and a broken, waved subventral line ; the warts grayish, 

 the hair rather long, coarse, but not bristly, brownish or gray. There 

 are eighteen descriptions of this larva extant and I have notes on all 

 the seven stages * of the first brood, taken from larvas that Dr. Seifert 



* Width of head .3, .4, .65, i.i, 1.4, 2.0, 2.5 mm. ( 9 ). 



