COLOTOIS] SELIDOSEMIDAE 



1. C. pennaria, L. 38-46 mm. Head reddish -ochreous. 

 Forewings reddish -ochreous sprinkled with fuscous; first line 

 somewhat curved, second nearly straight, dark fuscous ; a dark 

 fuscous discal dot ; a very small whitish or dark grey subapical 

 spot. Hindwings as in forewings, but paler basally, no first 

 line or subapical spot, praesubterminal sometimes fuscous, 

 curved. 



Britain to Ross, N. Ireland, common ; C. Europe, WC. and 

 N. Asia; 10, 11. Larva pale grey or reddish-brown, darker- 

 marked ; 3-1 1 sometimes with pale diamonds, and series of pale 

 yellow dots; 12 with two reddish projections; head reddish- 

 brown : on oak, beech, etc. ; 5, 6. 



26. ENNOMOS, Tr. 



Face with dense projecting scales. Tongue developed or 

 rudimentary. Antennae in $ bipectinated to apex. Palpi 

 rough - scaled. Thorax densely hairy above and beneath. 

 Femora densely hairy ; posterior tibiae with middle-spurs very 

 short or absent, in $ not dilated. Forewings in $ without 

 fovea; 6 sometimes out of 9, 10 rarely out of 9, sometimes 

 anastomosing or connected with 9, 11 often out of 10, anasto- 

 mosing or connected with 12 and sometimes with 10 also, 

 rarely running into 12 or absent. Hindwings : 6 and 7 rarely 

 stalked. 



A characteristically European genus of limited size, strag- 

 gling into North America. In all the species the termen of 

 both forewings and hindwings forms a triangular projection on 

 vein 4. 



1. Posterior tibiae with middle-spurs . . 2. 



without middle-spurs . . 3. 



2. Head orange . . . 5. autumnaria. 



pale ochreous . . .4. quercinaria. 



3. Head and thorax clear yellow . . 3. alniaria. 



ochreous . . .4. 



4. Terminal area of forewings pale fuscous 2. fuscantaria. 



not fuscous 1. erosaria. 



1. E. erosaria, Bkh. 35-38 mm. Head orange -ochreous. 

 Posterior tibiae without middle-spurs. Forewings ochreous ; first 

 line curved, second hardly curved, fuscous. Hindwings ochreous. 



England, Renfrew, E. Ireland, rather common ; C. Europe ; 

 8, 9. Larva pale ochreous, bro wn- marked ; 3, 6, 9, 12 with 

 rather large prominences, 8 with a small one, 7 with two : on 

 oak and birch ; 6, 7. 



