THE MOTHS OF INDIA. 



W. 



b*. Abdomen with dorsal crest on 1st seg- 

 ment only Odonlestra. 



c 4 . Abdomen without dorsal crest Meliana. 



c 3 . Frons without prominence. 



a*. Tegulse dorsally produced into a ridge, 

 a"'. Abdomen with dorsal crest on 1st 



segment Xylomania. 



b\ Abdomen without dorsal crest Monima. 



h*. Tegulse not produced into a ridge. 

 a 5 . Thorax clothed chiefly with scales. 

 a 6 . Abdomen with dorsal series of 



crests Miselia. 



h 6 . Abdomen with dorsal crest on 1st 



segment only Iladena 



b s . Thorax clothed with hair and hair-like 



scales, sometimes with a few scales , 

 on upper edge of patagia. 

 o°. Abdomen with dorsal series of 



crests Tiracola 



b°. Abdomen with dorsal crest tm 1st 

 segment only. 

 a'. Prothorax with dorsal ridge-like 



crest , Chaluata. 



b~ . Prothorax with spreading crest ... Cirphis. 

 c n . Abdomen without dorsal crest ... Borolia. 

 c\ Thorax clothed with hair only. 



a". Prothorax with spreading crest Sideridis. 



b°. Thorax without distinct crests Ceraphryx. 



Genus Thyrestra. 



Type. 

 Thyrestra, Hmpsn. Cat. Lep. Phal. B.M. Y.. p. 6 (1905) ... hyalophora. 

 Proboscis fully developed ; palpi upturned, fringed with hair in front, the 



3rd joint porrect ; frons 

 smooth ; eyes large, round- 

 ed, overhung by long 

 §|3§|fifiL °i na i antennae of male 



^iPlli (aSS^t^ -^VX/^ V*^ almost simple, head and 



'-*>&• • ' Jp5 thorax clothed with rough 



scales, the prothorax with 

 Thyrestra hyalophora. $ ]. ridge-like dorsal crest, 



the metathorax with crest ; abdomen with dorsal series of crests, paired lateral 

 tufts of very long white hair protrusible from the lateral stigmata of male. 

 Forewing rather long and narrow, the apex produced and the termen oblique ; 

 veins 3 and 5 from near angle of cell ; G from upper angle ; 9 from 10 



