46 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 90 



KEY TO THE SPECIES OF AGONOPTERIX BASED ON COLORATION 



1 . Fore wing roughened with numerous raised scales 2 



Fore wing smooth or with few raised scales 5 



2. Fore wing light ochreous-brown with black markings 3 



Fore wing ochreous-fuscous thickly mottled with black and 



white scales ^ 4 



3. A large blackish-fuscous spot at end of cell reaching costa 



pteleae Barnes and Busck (p. 72) 

 No such large spot latipalpella Barnes and Busck (p. 118) 



4. Terminal segment of labial palpus long, recurved 



eupatoriiella (Chambers) (p. 74) 

 Terminal segment of labial palpus short, hardly recurved 



scabella (Zeller) (p. 72) 



5. Fore wing with crescentic discal dash before middle 6 



Fore wing otherwise 10 



6. Fore wing predominantly grayish ochreous 



curvilineella (Beutenmiiller) (p. 62) 

 Fore wing otherwise 7 



7. Discal spot at end of cell yellow or cream colored 8 



Discal spot at end of cell white 9 



8. Fore wing grajash lavender hyperella Ely (p. 56) 



Fore wing brownish purple lythrella (Walsingham) (p. 59) 



9. Fore wing predominantly reddish purple arcuella, new species (p. 58) 



Fore wing purplish fuscous gelidella (Busck) (p. 55) 



10. Fore wing some shade of ochreous or yellow 11 



Fore wing otherwise 5 



11. Base of fore wing blackish fuscous atrodorsella (Clemens) (p. 70) 



Base of fore wing otherwise 12 



12. Inner margin of fore wing immaculate, or with minute, incon- 



spicuous dark irrorations 14 



Inner margin of fore wing with conspicuous dark markings 13 



13. Inner margin with fuscous subtornal blotch, posticella (Walsingham) (p. 119) 

 Inner margin strongly suflfused basally with blackish to reddish- 

 fuscous.. flavicomella (Engel) (p. 105) 



14. Third segment of labial palpus with at least two dark annuh 18 



Third segment of labial palpus with one or no dark annulus 15 



15. Outer discal spot fuscous 16 



Outer discal spot cream colored or yellow 17 



16. Abdomen suffused with fuscous beneath; terminal segment of 



labial palpus with brownish-red subapical annulus 



nubiferella (Walsingham) (p. 60) 

 Adbomen with black lateral line on each side beneath; terminal 

 segment with subapical annulus and apex blackish fuscous 



sabulella (Walsingham) (p. Ill) 



17. Outer discal spot yellow; terminal segment of labial palpus fus- 



cous with creamy-white median fascia; abdomen with black 



lateral line on each side dimorphella, new species (p. 97) 



Outer discal spot cream colored; terminal segment of labial 

 palpus with apex and subapical annulus black; abdomen with 

 row of black spots on each side beneath costosa (Haworth) (p. 113) 



18. Outer discal spot absent or indistinct; subbasal annulus of third 



segment of labial palpus brick red robiniella (Packard) (p. 92) 



