432 



LYMANTEIID.E. 



being small and pale ; the white area much more extensive ; the 

 black markings small and only conjoined along the costa of fore 

 wing, towards the margin of both wings being reduced to small 

 round spots ; the postmedial series placed further from the 

 margin. 



Hab. Elephant Isl., Mergui. Exp. 60 millim. 



These last three forms are very possibly varieties of one species. 



Family LYMANTRIID^. 



A family of moths generally of nocturnal flight *, mostly clothed 

 with hair-like scales and with very highly developed pectinations 

 to the antennas in the male, the branches often having long terminal 

 spines, and spines to retain them in position ; the females often 

 have a largely developed anal tuft of hair for covering the eggs. 



Proboscis absent ; legs hairy ; frenulum present f. Fore wing 

 with vein 1 a not anastomosing with 1 b ; 1 c absent t ; 5 from 

 close to loAver angle of cell. Hind wing with two internal veins t; 

 5 from close to lower angle of cell % ; 8 nearly touching 7 at middle 

 of cell and connected with it by a bar. 



Larva hairy ; generally clothed with very thick hair or with 

 thick tufts of hair and forming a cocoon into which these hairs 

 are woven, they being often of a very poisonous nature. 



Fig. 300. — Larva of Dasychira horsfieldi. 



Key to the Genera. 



A. Frenulum present. 



a. Fore wing with vein 9 given off from 10 

 and anastomosing with 8 to form an 

 areole. 



* Except Orgyia and Aroa. 



t Except in the lowly genus Batarda. 



\ Except in Gazalina and Porthesia. 



