246 



ZYG^NIDiE. 



Subfamily CHALCOSIIN^E. 



The antennse bipectinated to the tips in both sexes, more heavily 

 in the male than the female, the braDches dilated distally ; the tip 

 of antenna somewhat flabellate. Palpi minute and porrect. Fore 



Fig. 164. — Larva of Trypanophora taprobnnes. f. 

 (From Moore, Lep. Ceyl. ii. pi, 95, fig. 8 a.) 



wing with a veinlet in the cell more or less developed. Mid and 

 hind tibiae with minute terminal pairs of spurs. 



Larva short and thick with tubercles, from which arise short 

 hairs, and forming a close cocoon. 



Key to the Genera. 

 a. Wings not uniformly semi-diaphanous. 

 a . Fore wing with the cell long. 



a 2 . Fore wing with no veinlets between 

 vein 12 and the costa. 

 a 3 . Fore wing with the veins nearly 

 straight. 

 « 4 . Wings long and Zygceniform ; 

 hind wing with all the veins 

 from the cell, 

 a 5 . Fore wing with veins 9 and 10 



stalked 1 



b 5 . Fore wing with veins 7, 8, and 



9 stalked 2 



b*. Wings long but considerably 



broader. 



a 5 . Hind wing with all the veins 



from the cell. 



a 6 . Fore wing with vein 7 given 



off further from the cell 



than 9 8. Hebpa, p. 257. 



b 6 . Fore wing with vein 7 given 

 off nearer the cell than 9. 

 a". Fore wing with veins 4 

 and 5 stalked 

 a 8 . Fore wing with vein 11 



anastomosing with 12. 9. Pintia, p. 258. 

 b 8 . Fore w r ing with vein 

 11 not anastomosing 

 with 12. 



Callizyg^na, p. 248. 

 Tbtpanophoea, p. 249. 



