GYNAUTOCERA. — HISTIA. 279 



The fore wing very much produced at apex, so that the outer 

 margin becomes very oblique ; veins 7, 8, and 9 stalked; numerous 

 veinlets between vein 12 and the costa. Hind wing rounded; mid 

 aud hind tibiae with minute terminal pairs of spurs. 



595. Gynautocera papilionaria, Guer. Mag. Zool. 1831, pi. 12 ; 

 C. 8f 8. no. 399. 

 Chalcosia selene, Koll. HilgeVs Kaschmir, iv. p. 463. 

 Histia fraterna, Moore, P. Z. 8. 1883, p. 15 ; C. $ 8. no. 397. 

 Gynautocera rara, Sioinh. Trans. Ent. Soc. 1891, p. 476. 



Antennae metallic blue ; head, thorax, and abdomen black ; 

 vertex of head crimson; pectus and segmental bands on abdomen 

 below and end of abdomen crimson. Wings black; fore wing with 

 a greenish tinge, aud the veins of the outer half bordered with 

 greenish fuscous; hind wing shot with deep blue; a large white 



Fig. 186. — Gynautocera papilionaria, tf . \. 



patch between veins 2 and 5, extending slightly into the cell and 

 with its edges and the veins crossing it metallic blue. Base of 

 wings below crimson. 



In the form fraterna the white patch of the hind wing extends 

 to the costa and nearly to anal angle, whilst in rara it is small and 

 suffused with blue and there is a little crimson on the metathorax. 



Hob. The Himalayas ; Calcutta ; Assam ; Nagas ; Sylhet ; Bas- 

 seiu (Pegu) ; Tenasserim. Exp. 84-96 millim. 



Genus HISTIA. 

 Histia, Hubn. Verz. p. 198 (1818). 



Type, H. flabelUeornis, Fabr. 



Mange. N.E. *fe S. India ; China ; Burma ; Java. 



Fore wing with shape and venation as in Gynautocera, except 

 that, vein 11 anastomoses with 12. Hind wing with the outer 

 margin produced into a long tail, and the cell lengthened and 

 narrowed. 



