1898.] OF THE SUBFAMILY PZRAUSTiy^. 601 



6'°. Fore wing with no scale- 

 tooth on inner margin. 

 a}^. Hind wing with the 

 median nervure loosely 



pectinated above 145. Mnesictena. 



J''. Hind wing with the 

 median nervure not 



pectinated 146. Pionea. 



b^. Hind wing with vein 6 

 from below upper angle 



of cell 136. Prochoristin. 



c*. Maxillary palpi filiform or hardly 

 dilated with scales at extremity. 



a^. Tibise %vithout spurs 148. Aplectropus. 



b^. Tibite with spurs. 

 aJ. Hind wing with veins 3, 4, 5 

 approximated for a short dis- 

 tance 108. Parbattia. 



b''. Hind wing with veins 4, 5 ap- 

 proximated for a short distance, 

 3 separate. 

 a'. Hind wing with vein 7 anas- 

 tomosing with 8. 

 a'. Fore wing subtriangular, vein 

 3 from close to angle of cell. 



dy^. Build stout IQT . Polygrammodes. 



b^". Build slender. 

 a^^. Fore wing with the apex 

 acute, the outer margin 

 angled at vein 4 ; hind 

 wing with the outer 

 margin produced at vein 6 

 and excurved at middle, 

 a large tuft of hair at 



lower angle of cell 109. Biscothyris, 



6'^. Both wings with the 

 outer margin evenly 

 curved, 

 a'^. Frons flat and oblique, 

 ai^. Fore wing with vein 

 7 curved and ap- 

 proximated to 8, 9 ... 102. Azochis, 

 J^'. Fore wing with vein 

 7 straight and well 

 separated from 8, 9 ... 103. Crocidophora. 



b^^. Frons rounded 111. Pachyzanola. 



6'. Fore wing long and narrow, 

 vein 3 from well before 



angle of cell 110. Nomophila. 



6*. Hind wing with vein 7 not 

 anastomosing with 8 ; fore 



wing long and narrow 94. Terastia. 



c'. Hind wing with veins 4, 5 not 



approximated towards origin. 



a?. Antennae with the shaft 



annulated with rings at the 



joints 100, Ischnurges. 



b^. Antennae with the shaft smooth 

 and ciliated. 

 a^. Hind tibife with the spurs 



all long and equal \0\. Hyalobathra. 



Pfioo. ZooL. Soo. —1898, No. XLI. 41 



