LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 615 



3. Hind wing without black markings below in male. 



4. Fore wing with a subcostal streak from base to middle 



5. Larva on hickory 7. caryivorella, 8 mrtpr 



5 Larva on oak 9 hebescella ] 



4. lore wing with a short subcostal bar at base only. 



5. Fore wing whitish to about three-fourths way out on the custa, cross- 

 ing the antemedial band 10. kearf'oltella 



5. Fore wing whitish at base only, out to the antemedial band, or all 



. S ra y 11. palliolella. 



2. Fore wing without any sex mark below. 



3. Cell broad; M, and M 3 distant from CUj and Cu 2 19. malipennclla. 



3. Venation normal in both sexes. 



4. An oblique white band from middle of wing beyond antemedial lino 

 to costa before postmedial line, containing the contrasting black discal 



dots 13. normcUa. 



4. Medial area all gray, only somewhat dusted with white at middle of 



costa. 



5. Thorax, base of wing, antemedial area, and postmedial area toward 

 inner margin all shaded with red. Larva on hickory 



12. latifasciella. 

 5. Red practically confined to antemedial space; sometimes replaced 



with chocolate brown, or absent. 



6. Larva on Comptonia; postmedial line almost obsolete; antemedial 

 space usually bright Indian red in northern form. 



15. comptoniella. 



6. Larva on alder; antemedial area usually bright brick red; post- 

 medial line distinct but a little diffuse; discal dots distinct. 



14. rubrifasr-iclla. 



6. Similar; larva undescribed 18. irrnbrielln. 



6. Larva on birch; moth like rubrifasciella, but usually with the ante- 

 medial space deep brown; and the dark areas of the ground 



deeper brown, with distinct purple iridescence 16. betnlella. 



6. Larva on hazel; moth nearly uniform gray, not shaded with white; 



antemedial space somewhat browner 17. corylielln. 



1. Fore wing smoothly scaled, the tuft replaced by a blackish first antemedial 



line. 

 2. Antemedial area with a red band. 



3. Discal points united into a black lunule 20. tricolnrrlla. 



3. Discal points separate, obscure 21. rubescevlcUa. 



2. Antemedial area gray-brown and white only. 



3. Dark gray, the discal points separate, in a contrasting white patrli, 



forming a sort of ocellus 22. amplexella. 



3. Lighter; the discal spots not in a small patch, but often in a broad 



whitish area. 

 4. Antemedial lines starting from a heavy black triangle on posta; larva 



on Rosacese 24. indigintlla. 



4. Costal black spot trapezoidal; larva on Vaccinium 23. raccinii. 



I.. Fore icing with an antemedial scale ridge (Acrobasis). 



* Male with black sex scaling beneath. 



1. A. angusella Grote. Head, thorax, and base of fore wing pale reddish. Scale 

 ridge partly blackish. Antemedial line excurved, oblique outward to inner margin. 

 Median area dark grav; marginal area shaded with reddish. Disoal dots ^pparato. 

 darker; postmedial line fine, pale, excurved in middle, and indented in discal and 

 submedian folds. Hind wing smoky, somewhat translucent. 22 mm. 



