322 LASIOCAMPINA [ERIOGASTER 



Hindwings thinly scaled, light reddish-fuscous ; a cloudy whitish 

 median line. 



Britain to Argyll, N. and W. Ireland, common ; N. and C. 

 Europe, WC. Asia to N. Persia ; 2, 3. Larva black, hairs very 

 long, red-brown ; subdorsal series of red-brown partly black- 

 edged blotches, more or less margined with pale yellowish, 

 sometimes connected beneath by a pale yellowish line : on 

 hawthorn and blackthorn, living gregariously in a nest of dense 

 web; 5-7. 



3. E. rubi, L. 44-66 mm. Forewings in $ rather dark 

 reddish-brown, in lighter, less reddish, and sprinkled with 

 greyish-ochreous ; first and second lines nearly straight, parallel, 

 whitish-ochreous ; an irregular obscure pale subterminal suffu- 

 sion. Hindwings in $ red-brown, in $ lighter brown. 



Britain to Sutherland, Ireland, local ; Europe, NW. Asia ; 

 6. Larva black, hairs golden-brown, on sides dark fuscous ; a 

 dorsal series of transverse orange streaks : on Calluna, Melian- 

 themum, grass, Rubus, etc. ; 8-5. The male imago flies wildly 

 in hot sunshine. 



4. E. crataegi, L. 30-37 mm. Forewings grey or dark grey, 

 whitish-sprinkled ; lines white, internally blackish-edged, first 

 curved, second twice sinuate ; subterminal indicated by an 

 irregular whitish suffusion. Hindwings light grey, darker 

 posteriorly ; a cloudy pale or whitish median line, anteriorly 

 edged with dark grey. 



Britain to Ross, rather common ; Europe, Asia Minor ; 9. 

 Larva black, grey, or whitish marked with black, hairs reddish- 

 brown ; in pale specimens an irregular dark dorsal band ; sub- 

 dorsal series of brown-red spots, sometimes separated by whitish- 

 ochreous spots : on hawthorn, blackthorn, etc. ; 5, 6. 



3. CLISIOCAMPA, Curt. 



Palpi short. Forewings : 6 and 7 connate or stalked, 8 

 sometimes out of 9 near base, 9 to apex. Hindwings : 4 and 5 

 sometimes stalked, 6 and 7 approximated at base from angle, 

 8 anastomosing shortly with cell about middle, one or two 

 pseudoneuria present. 



A genus of few species, principally North American, but 

 ranging also through Europe and Asia. Larva gregarious when 

 young. 



Second line of forewings indented in middle . 1. castrensis. 

 5J ,, ,, not indented . 2. neustria. 



1. C. castrensis, L. 29-38 mm. Forewings from pale ochre- 



