192 BULLETIN 132, UNITED STATES NATIONAL MUSEUM 



Plate 1 



Structural characters in Laspeyresiinae 



Fig. 1. Metathoracic leg of Gymnaudrosoma pimctidiscanum Dyar, Male. 



2. Metathoracic leg of Melissopus latiferreanus (Walsingham), Male. 



3. Partially denuded male hind wing of G. punctidiscanum, showing 



venation, pocket-like development of inner margin, and sex scaling, 



4. Hind wing venation of Ricula maculana (Fernald), Male. 



5. Abdomen of G. punctidiscanum (male), dorsal view showing pair of 



hair tufts from caudal edge of second segment. 



6. Hind wing venation (male) of Ilemimene populana (Fabricius). 



7. Oaudal segments of denuded male abdomen of GraphoUtJia fana (Kear- 



fott), showing hair tufts from sternite of eighth segment. 



8. Hind wing venation (male) of Dichrorampha kana (Busck). 



9. Denuded hind wing (male) of M. latiferreanus, showing venation, 



thickening at inner margin, and pocket inclosing pecten. 

 10. Denuded hind wing (male) of Ecdijtalopha insiticiana Zeller, showing 

 venation and pocket and hair pencile on vein 1 ■\ 



Plate 2 



Structural and pattern characters in Olethreutinae 



Fig. 11. Inside view of metathoracic leg of male Exartema showing hair pencile 

 from base of tibia. 



12. Fore wing venation of Polychrosis viteana (Clemens). 



13. Fore wing venation of Olethreutes arcuella (Clerck). 



14. Fore wing of Exartema electrofuscum Heinrich, showing characteristic 



Olethreutid pattern : ii=basal patch ; J/=median band ; St=sx\b- 

 tornal spot; /S«=subapical bar. 



15. Anterior segment of denuded male abdomen of Polychrosis cypripediana 



Forbes, showing pockets (j?) of papilliform hairs on basal segment. 



16. Metathoracic leg (male) of PJiaecasiophora conflxona (Walker). 



17. Head and thorax of Sciaphila duplex (Walsingham) ; side view show- 



ing posterior thoracic tuft (TT). 



18. Denuded male hind wing of Exartema concinnanum (Clemens) show- 



ing venation and final lobe. 



19. Fore wing venation of Polychrosis botrana (SchifCermiiller). 



20. Hind wins venation of P. botrana. 



21. Fore Aving venation of Episimus transferranus (Walker). 



22. Fore wing of E. transferranus, showing chamcteristic Episimus pattei'n. 



Plate 3 

 Male genitalia (Laspeyresiinae) 



Fig. 23. Satronia tantiUa Heinrich. 



24. Goditha humellana Heinrich. 



25. Ricula maculana (Fernald). 



26. Ethelgoda taxanana (Walsingham). 



27. Hemimene populana (Fabricius). 



