8 



burses thickened. Bursa subglobular. Signum discoid, 

 spined. 



The furca arms are inserted in the ostium, and act as 

 a guide during copulation. 



Crocallis elinguaria, Tr. 52 



Valva slightly tapered; costal fold heavily spined on the 

 edge. Furca long, curved. Uncus tapered; pads long, 

 lobed, hairy. Gnathos tips separate, widely apart, concave. 

 ^.Edceagus pistillate, with one or two spines at the orifice. 

 Saccus rounded. 



Ostium produced, wide. Ductus bursae thickened. 

 Bursa elongate. Signurn rounded, crinkled, very delicate. 



Ennomos autumnaria, Wernb. 2 2 

 Valva broad; costa produced, gibbose. Furca long, fused, 



bifurcate. Uncus broad, spatulate. Gnathos dentate. 



^Edoeagus spined at orifice. Cornuti few, short. Saccus 

 squared. 



Ostium wide, strong. Bursa subglobular. Signum 

 elongate, ovate, spined. 



Quercinaria, Hufn. 85 



Valva simple, heavily spined; costa produced, pointed. 

 Furca fused, bifurcate, arms lying close together. Uncus 

 long, tapered. Gnathos weak, tip stronger, slightly 

 scobinate. ^doeagus narrow towards apex, crescent of 

 small spines at orifice. Cornuti five or six spines. Saccus 

 rounded. 



Ostium strong. Signum weak, irregularly pointed. 



Deuteronomos alniaria, L. 22 



Valva peaked, median spines; costa short. Furca fused, 

 short, indent above. Uncus long, tapered; pads raised 

 hairy. Gnathos very broad, squared, spined. .ZEdreagus 

 short. Cornuti many. Saccus pointed. 



Ostium wide, strong. Signum diamond shaped, 

 spined, small. 



