150 CARADRININA [HYPENODES 



5. HYPENODBS, Gn. 



Head loosely scaled, with small frontal tuft. Antennae in 



c ciliated. Palpi very long, 

 porrected, second joint thickened 

 with rough projecting scales, 

 terminal rather short, cylindrical. 

 Thorax with appressed scales. 

 Abdomen with small crest near 

 base. Tibiae smooth - scaled. 

 Fore wings : 7 separate, 9 and 10 

 out of 8. Hindwings : 5 parallel 

 to 4. 



Forewing and head of Hypenodes Although consisting of very 



costistrigalis. .... . i V 



few species, this genus is almost 



universally distributed. Imago with forewings unusually 

 elongate. Larva without prolegs on 7 and 8. 



Forewings with a dark suffusion beyond discal spot 



1. costistrigalis. 

 without such suffusion . . 2. albistrigalis. 



1. H. costistrigalis, Stph. 18-19 mm. Forewings whitish- 

 ochreous mixed with brown and dark fuscous, lighter dorsally ; 

 a fine black dash beneath costa at base; first line partly 

 blackish -marked, dentate; second line oblique, irregular, 

 partly marked with dark fuscous and edged posteriorly with 

 whitish ; a small blackish discal spot, connected with second 

 line by a dark fuscous suffusion ; subterminal line indistinctly 

 pale. Hindwings fuscous-whitish ; a grey discal dot. 



England to Cumberland, local; C. Europe; 7, 8. Larva 

 dark purple -brown; dorsal line slightly paler; subdorsal 

 obscurely pale, blackish-edged beneath ; sides more ochreous : 

 on flowers of Thymus (in captivity only, natural food un- 

 known) ; 7, 8. 



2. H. albistrigalis, Hw. 17-20 mm. Forewings brown; a fine 

 black dash beneath costa at base; first line partly blackish- 

 marked, dentate; second blackish, posteriorly whitish- edged, 

 towards costa indistinct, on lower half straight and conspicuous ; 

 an indistinct dark fuscous discal spot, posteriorly pale -edged ; 

 subterminal line indistinctly pale. Hindwings light grey. 



England to York, local ; France ; 6, 7. 



6. BOMOLOCHA, Hb. 

 Characters of Hypena, but eyes ciliated. 



