LIMA.CODID.E. 



371 



slightly golden brown at base 



W 

 Fig. 251. 

 Hyperthyris aperta, J . 



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. 



Hah. Kiukiang, China; Sikhirn. 

 Exp. 24 millim. 



Species formerly recorded as Indian ivhich is omitted. 

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



Family LIMACODID^. 



Fore wing with two internal veins, vein 1 h 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 the Genera. 



A. Fore wing short, the outer margin evenly 

 rounded. 

 a. Larva (of known species) segmented and 

 hearing series of spinous tubercles. 

 Imago : head and thorax smoothly scaled ; 

 fore wing with vein 11 not curved 

 along' 12. 



2b2 



