AMERICAN MOTHS OF THE SUBFAMILY PHYCITINAE 



5. Male genitalia with transtilla complete, developed as a narrow, slightly arched band, 



attached to harpes only by membrane. Female with signum a cluster of bluntly 

 pointed thorns, more or less surromided by fine scobinations or strongly pigmented 



granulations Hyalospila (p. 56) 



Male genitalia incomplete or absent; if complete (Magiriopsis) not a narrow band. 

 Female with signum or signa (if present) otherwise 6 



6. Hind wing with discoceUular vein mcomplete Fulrada (p. 71) 



(based on male ; female unknown) 

 HLod wing with discoceUular vein complete 7 



7. Hind wing with cell very short (about one-fifth the length of wing). Male genitalia 



with lateral arms of gnathos broad, expanded and curled at their extremities. 



Praedonula (p. 82) 



Hind wing with cell longer (from one-fourth to one-third the length of wing). Gnathos 



of male otherwise 8 



8. Hind wing of male with anal area (involving vein la) thickened and folded, forming 



a produced pocket; underside of wing with roughened scale or hair tufts on some 



of the veins Rampylla (p. 70) 



(females: Venation Group B, couplet 30) 

 Hind wing of male without such modification 9 



9. Male with uncus of genitalia bifid. Female with one or two small signa developed 



as granulate depressions in bursa; if signa sometimes absent (some species of 



Piesmopoda) , bursa membranous 10 



Uncus of male undivided (triangulate or pentagonal). Signa of female developed as 

 strongly, spined bands or plates; if sometimes absent (Ancylostomia) , bursa weakly 

 but extensively sclerotized 12 



10. Gnathos complete, a thin, weakly sclerotized, transverse band. Female with two 



signa in bursa 11 



Gnathos incomplete, the lateral arms strong, broad; between their separated apices a 

 well sclerotized anal plate. Female with one signum or none . . Piesmopoda (p. 77) 



11. Forewing with vein 6 from below upper angle of cell, separated at base from the stalk 



of veins 8-9. Male genitalia with a stout free spine associated with anellus. 



Davara (p. 73) 



Fore^ving with vein 6 from upper angle of cell, connate with the stalk of veins 8-9. 



Male genitalia without free spine associated with anellus .... Sarasota (p. 76) 



12. Male antenna unipectinate for basal half of shaft, shortly ciliate beyond. Female 



with two signa developed as strongly spined plates Magiriopsis (p. 94) 



Male antenna with shaft pubescent. Female with one signum or none 13 



13. Male with maxillary palpus in the form of an aigrette; eighth abdominal segment with 



compound ventral scale and hair tufts. Female genitalia without signum; the 



bursa copulatris weakly sclerotized throughout Ancylostomia (p. 95) 



Male with maxillary palpus squamous; eighth abdominal segment with paired ventro- 

 lateral hair tufts. Female with signum, consisting of a single round, curved plate, 

 densely armed with long stiff spines ; bursa otherwise membranous. 



Oryctometopia (p. 158) 



