flf THE iJRlflSfl ISlAtiDS, 8l 



II. HERMINID^ 



a. Rivula sericealis Bright straw colour dark and 



conspicuous reniform. 



b. Herminia cribrumalis White colour purely a " marsh " 



or " fen " species. 



c. Herminia derivalis Bright yellowish-brown or ochreous 



brown subterminal line absent dark central line 

 crossing both fore and hind wings. 



d. Zanclognatha grisealis Subterminal line runs from the 



apex of the costa small size greyish-brown in 

 colour. 



e. Zanclognatha tarsipennalis Subterminal line runs from 



before the apex larger size deep brownish- 

 ochreous in colour. 



f. Zanclognatha emortualis Yellower ground colour pale 



yellow line crosses centre of fore and hind wings 

 continuously yellow lunular mark replaces reni- 

 form. 



g. Pechipogon barbalis Distinctly grey ground colour 



size of derivalis or tarsipennalis. 



