aporophyla] OARADRIN1DAE 59 



lines pale or whitish ; spiracular whitish, brown-edged above ; 

 tubercular spots large, black : on grasses ; 10-4. 



9. Heliophohus, B. 



Head rough-scaled ; eyes glabrous, ciliated. Antennae in $ 

 bipectinated to apex. Thorax with small posterior crest. 

 Abdomen not crested. 



Restricted to the single species. 



1. H. hispidus, II-G. 31-34 mm. Forewings brown, veins 

 in disc white, posteriorly whitish-edged ; Bubbasal, first, and 

 second lines white, black-edged, median black, subterminal even, 

 white ; orbicular and reniform pale ochrcous, edged with whitish 

 and outlined with black ; claviform outlined with black. Hind- 

 wings in $ whitish, in ^ pale grey ; discal mark, postmedian line, 

 and terminal suffusion grey. 



Hants and Devon to Northampton and Warwick, local ; 

 France, W. Spain ; 9. Larva yellow-green or brownish ; dorsal 

 and subdorsal lines pale, darker-edged ; spiracular broad, 

 yellowish-white; tubercular dots black : on grasses; 10-4. 



10. Orthosia, 0. 

 Head rough-scaled ; eyes glabrous, ciliated. Antennae in £ 

 ciliated. Thorax with or without anterior crest. Abdomen not 

 crested. 



A considerable genus of nearly universal distribution, though 

 mainly found in temperate regions of both hemispheres. The 

 imagos are almost all autumnal, and their yellow and ferruginous 

 colouring is doubtless adapted to the autumn tints of falling 

 leaves. 



1. Forewings yellow or orange . . .2. 



„ ochrcous, brown, or grey . . 7. 



4. Collar fuscous-purplish . . 5. flavago. 



„ yellow or orange . . . .3. 



3. Hindwings with grey discal spot and line. 2. croceago. 



,, without grey discal markings . . 4. 



4. Forewings with median space dorsally purplish- 



fuscous . .1. xerarnpelina. 



„ „ „ not purplish-fuscous . 5. 



5. Thorax with purple dorsal streak . . 3. citrago. 



„ without purple dorsal streak . . 6. 



6. Hindwings with purplish subterminal suffusion 4. awago. 



without purplish subterminal suffusion 



('). fufvago. 



