^^2 PSTCHODID^. 



8. The 2ikI longitiidiual vein forks very 



closely before or beyond the base of the 



3rd vein o 



The 2nd longitudinal vein forks c'onsi'de'rabiy 



beyond the base of the 3rd vein . . H 



9. Fore metatarsus wholly white-scaled" " .' .' .' .' geniculata, Brun. 

 -tore metatarsus never wholly white-scaled ' fp 2'>7 



(at the tip only in P. alboimjra and not " ' 



at all in P. benc/alensis) ...... Jo 



10. Wings with thick black bushy ' hair ' on 



costa, with small spots (each composed of 

 one or two white scales) placed along a 

 considerable section of it, at apparently 

 regular intervals. The 2nd longitudinal 

 vein forks immediately before the base of 

 the 3rd vein ; the fork of the anterior 

 branch of the 2ud vein opposite tiiat of 



the 4th vein . albonit/ra, Bruu., p. 228 



Wings with only normally blackish grey ^ 



hair; scale-spots whollv absent. The 

 2nd longitudinal vein forks barely beyond 

 the base of the 3rd vein ; the fork of the 



anterior branch of the 2nd vein a little fn ''•'>q 



11 \vt:'r^ ^^''* of the 4th vein hencjcdensis, Brun.; '^'^ ' 



11. VVhite scale-spots absent from tips of veins. 



Tips of tibia3 and metatarsi not white- 



A vi"'- ,^ ■ •, ; clistcms, Brun., p. 230. 



\\ lute scale-spots present at tips of veins, 

 iips of tibise and metatarsi with white 



1 \r^^f}r r ■ •■ ; • ;; • ■ • •• ■, albopicta, Brun., p. 231. 



i-2. Veins of wings wholly without rows or >^ • 



spots of distinct scales jg 



Veinsofwings with distinct scales 'on" the ' Tii oqi 



1 . T. ''f i"T''^ • "^.'^^^ f '^'^''^ ■- orbicnlans, Brum; 



13. Iheindlongitudmalvein forks beyond the 



base of the 3rd vein. Hairs on veins 

 uniformly blackish — no conspicuous 

 lighter sections of hairs. The middle 

 veins (2nd, 3rd and 4th) nearly straight 



or gently bisinuate 14^ 



The 2nd longitudinal vein forks "before" the 

 base of the 3rd vein. Hairs on veins 

 mainly blackish, but with a transverse 

 band of light brown hairs, formed by a 

 short row placed beyond the middle part 

 of each vein, in the distal portion of the 

 wmg. The middle veins (2nd, 3rd, 4th) 

 distinctly arcuate „v<,/to, Brun., p. 233. 



14. Ihorax with blackish grey hairs. Anterior ; l^ -^J. 



branch of 2nd longitudinal vein forkino- a 



little beyond the middle of the wing, tlie fn '>3-> 



4th forking a little before_ the middle .. mffripenms, Brun' '^ '^' 

 Ihorax with bright yellowish brown hairs 

 Anterior branch of 2nd vein forks as in 



P. nigripennis, but the 4th vein forks near fn "^^^ 



^^•^^ «*■ ^"^? fulvohirta, Brum, 



