Hemistola chrysoprasaria, Esp. 65 



vernaria, Hb. 



Valva broad ; costa short ; harpe weak, raised ; sacculus 

 produced, strong, tapered. Uncus long, parallel; socii 

 nearly length of uncus. Gnathos long, pointed, scobinate. 

 .Edoeagus pistillate; cornuti short, a large and a small band. 

 Saccus squared. Eighth sternite produced ventrally 

 bilobed, scobinate. 



Ostium elaborate, operculum finely spined. Ductus 

 bursas with two strongly spined discoid lobes. Bursa elon- 

 gate, ribbed. 



Ourapterygmae. 



Valva simple. Uncus short. Gnathos fairly well de- 

 veloped, tip free. Furca fused in long rod. Female with 

 long ribbed ductus bursae. Signum stellate. Confined in 

 this country to a single species. 



Ourapteryx sambucaria, L. 114 



Valva simple, broad. Furca fused forming a single curved 

 arm terminating in fine spines, always lying to the right, 

 curving to the left. Uncus short, stout tapered, pads 

 hairy. Gnathos strong, broad, tip scobinate. Cornuti 

 many, fine, massed. 



Ostium weak. Ductus bursse ribbed. Signum discoid, 

 dentate. 



Ermominae. 



Valva generally broad. Furca when present fused, forked. 

 Uncus strong. Gnathos strong, dentate. ^Edceagus 

 generally broad and narrowed to a point. Often coremata 

 on ninth segment. In the female signa dentate in varied 

 degree. 



Pseudopanthera macularia, Dup. 85 



Valvula narrow, simple, costal apex truncate. Furca long, 

 slender, curved ends deeply dentate on outer edge, free. 



