LIMACODID^E. 



371 



slightly golden brown at base . the margins broadly black; a large 



triangular black mark from the 

 costa to lower angle of cell ; veins 

 narrowly black. Hind wing with 

 the margins broadly black ; a large 

 hyaline space above median nervure 

 and a smaller one below it. 



Hab. Kiukiang, China; Sikhim. 

 Exp. 24 millim. 



Fig. 251. 

 Hyperthyris aperta, 



Species formerly recorded as Indian which is omitted. 

 Thyridiphora fenestrata, Warr., C. & S. no. 1773s, is a Pyrale. 



Family LIMACODID.E. 



Fore wing with two internal veins, vein 1 b forked at the base. 

 Hind wing with vein 8 arising free, then bent down and usually 

 anastomosing shortly with 7 near the base of the cell ; three 

 internal veins. 



Larva : Limaciform. and either bearing series of spinous sting- 

 ing tubercles, or smooth and segmented, or unsegmented with very 

 thick transparent cuticle ; the head, legs, and claspers small and 

 often retractile. 



Cocoon : hard and compact ; round or oval in shape, with a lid 

 for the escape of the imago prepared by the larva. 



Fig. 252. Larva and cocoon of Thosea aperiens. 

 (From Moore, Lep. Ceyl. ii, pi. 130, fig. 4.) 



Key to tlie Genera. 



A. Fore wing short, the outer margin evenly 



rounded. 

 a. Larva (of known species) segmented and 



bearing series of spinous tubercles. 

 Imago : head and thorax smoothly scaled ; 

 fore -wing with vein 11 not curved 

 along 12. 



