CBAMBUS] CRAMBIDAE 395 



23. C. contaminellus, Hb. (cantiellus, Tutt.) 17-23 mm. 

 Differs from C. salinellus as follows : forewings without blackish 

 submedian streak from base, median line less oblique, with more 

 strongly marked discal indentation, nearly parallel to second. 



Britain to the Clyde, local ; Europe, WC. Asia to N. Persia; 7, 8. 



24. C. salinellus, Tutt. 18-24 mm. Forewings ochreous; 

 veins variably pale or whitish, interneural spaces sometimes 

 blackish-sprinkled : a blackish streak beneath median vein from 

 base to middle ; lines obscurely darker, on lower half blackish- 

 mixed, median very strongly curved, very oblique dorsally, 

 second curved, slightly indented below middle ; three or four 

 black dots on lower half of termen ; cilia ochreous, mixed with 

 white. Hindwings whitish-grey or very pale grey. 



England to Lancashire, in salt-marshes, local ; Germany ; 

 6-9. Larva pale ochreous-grey ; dorsal line darker ; spots light 

 brownish ; head light or dark brown, darker-marked ; plate of 

 2 sometimes dark brown : in silken galleries along stems of Poa 

 maritima and P. Borreri ; 5-7. 



25. C. tristellus, F. 22-29 mm. Face with short cone. 

 Forewings pale or deep yellow-ochreous, often mixed and some- 

 times wholly suffused with dark brown ; median vein and Ib 

 pale or whitish ; second line indistinctly brownish, acutely 

 angulated, sometimes obsolete ; sometimes some indistinct 

 blackish terminal dots ; cilia shining whitish - ochreous to 

 fuscous. Hindwings grey. 



Britain to Ross, Ireland, very common ; Europe, Asia Minor, 

 N. Asia ; 7-9. Larva pale ochreous or brownish ; spots large, 

 blackish-brown ; head and plate of 2 black : in silken galleries 

 among stems of grasses (Aira flexuosa, etc.) ; 9-6. 



26. C. selasellus, H b. 22-25 mm. Face slightly prominent. 

 Forewings whitish -ochreous or ochreous, mixed or sometimes 

 much suffused with light fuscous; a moderately thick well-defined 

 white median streak from base to f or |-, terminating in two or 

 three fine whitish streaks on veins ; sometimes some indistinct 

 blackish terminal dots ; cilia shining fuscous. Hindwings grey. 



England to Cumberland, N. Ireland, in wet meadows, rather 

 local ; N. and C. Europe, N. Asia ; 7, 8. Larva brown, paler 

 laterally ; spots large, dark brown ; head black ; plate of 2 

 black -brown : in silken galleries among stems of grasses (Poa 

 maritima, etc.) ; 3-5. 



3. PLATYTES, Gn. 

 Face rounded. Antennae in <$ ciliated. Forewings : 7 



