Rhagastis mongolianus Butler. (Birdcdo-suzume ) 
By K. Nagano. 
Forewings olivaceous dark-brown, posteriorly purplish-erey: costa 
whitish; a black spot on apex; a black discal dot; three cr more 
black lines or dotted lines from dorsum to costa, sometimes indistinct; 
a black dotted spot near inner angle; basal fringe of dorsum whitish. 
Hindwings blackish-brown, with ochreous spot near anal angle. 
Expanse, 538-66mm. Body, olivaceous dark-brown; thorax deeper, 
yellowish-brown mixed, with white border. 
Honsiu, Shikoku, kiusiu. 5-8. Larva pale brown, tinged with 
pale blue, anterior side yellowish-brown, finely streaked with dark; 
-a blackish dorsal beet, with zigzag fringes, containing a series of 
yellowish-brown dots; a round brown spot enclosing a black dot 
encircled with black on 4 segment; 3 and 4 segments swollen and 
white dotted; blackish-brown subspiracular stripe, with zigzag upper 
fringe; horn ochreyellow, with bluish: on Vitis vinifera, Cissus 
japonica, Impatiens Balsamina, Berberis vulgaris; 6-9. 


