530 PROCEEDINGS OF THE ACADEMY OF 



as broad as the anterior pair, is as usual in the family, except that the costal 

 and subcostal veins show a tendency to separate at the base. 



Head rather small, sunken, subtufted between the antennae ; without ocelli. 

 Face moderately broad, hairy, retreating. Eyes rather small. Antennae 

 shortly pectinated in the (J', serrated in the $ (?) Labial palpi rather 

 slender, subascending, exceeding somewhat the clypeus, slightly hairy be- 

 neath, with the second joint slightly larger than the basal, and the terminal 

 joint short, globose. Tongue rudimentary. 



Thorax smooth, with decumbent hair. Patagia moderate. Abdomen icant- 

 ing. Legs smooth ; fore tibia? nearly as long as the femora ; hind legs want- 

 iny. The specimens described are much mutilated. 



A. bivittata . White. Labial palpi blackish, white beneath. Thorax 

 with two lateral black stripes, margined externally by another, luteous. Fore 

 wings with a few black spots and short black streaks. Ou the discal vein are 

 two spots and another on the origin of the medio-posterior nervule. At the 

 extreme base, almost on the costa, are one or two dots and the submedian 

 vein is tipped on its end with black. Sometimes a short black stripe in the 

 fold at the base and a few black spots near the tip of the wing. Hind wings 

 without spots. Tarsi black. 



Imago on wing April 21st. Texas. Capt. Pope's collection. Smithsonian 

 Institution. 



Hypantria, Harris. 



Mr. Walker does not recognize this genus, but refers the species Dr. Harris 

 placed in it to Euproctis of Hiibner. The structure of E. auriflua does 

 not, however, authorize this step. In it the antennas are deeply pectinated 

 in the $, the palpi are differently formed, the tongue more rudimentary, the 

 costal and subcostal veins in the hind wings distinct to the base, although 

 connected in the middle of the cell by an intercostal branch, and in the fore 

 wings the second subcosto-marginal nervule arises between the post-apical 

 and apical nervulet. The head is without ocelli and the structure of the legs 

 in auriflua differs from that intextor. A consideration of these differ- 

 ences and the structural agreement of t e x t o r with other genera of the 

 family Arctiidae, the habits and structure of the larva can leave no doubt, I 

 think, respecting its true position and the naturalness of the genus. 



The structure of the fore and hind wings, like that in the genus Spilo- 

 soma. 



Head moderate, somewhat sunken and woolly; with ocelli. Face taperin^ 

 and vertical. Eyes moderately large. Antennas shortly pectinated in the <$, 

 serrated in the Labial palpi rather hairy beneath, scarcely extending be- 

 yond the clypeus ; second joint very short, and the terminal joint nearly rudi- 

 mental. Tongue nearly as long as the anterior coxa?, filamentous. 



Body rather stout. Thorax woolly. Patagia not erected, rather broad and 

 flattened. Breast woolly ; abdomen rather smooth. Legs with the femora 

 woolly ; tibial spur of the fore legs long and curved ; hind tibiae with a pair 

 of small apical spurs. 



Table of Species. 

 Abdomen white. 



Fore wings without spots, t e x t o r . 



Fore wings spotted with black, C u n e a . 



Abdomen luteous. 



Fore wings black in greater part, with white veins, Echo. 



H. t e x t o r , Harris. Pure white, immaculate. Antennae blackish brown. 

 Palpi blackish. The fore coxae and femora luteous. 

 Ga., Mass., Penn. 



[Nov. 



