IOKTHA. CEITHOTE. 



541 



Genus IONTHA. 

 lontha, Doubleday, Entomologist, i, p. 297 (1842). 



Type, I. umbrina, Doubl. 



Range. Sylhet ; Borneo. 



3 . Palpi with the 2nd joint much thickened and reaching vertex 

 of head, the 3rd naked and blunt ; antennae serrate ; thorax and 

 abdomen smoothly scaled, the latter very long and with immensely 

 developed tufts of hair at extremity ; fore tibiae hairy ; hind tibiae 

 and 1st joint of tarsi fringed with hair on the outer side. Fore 



Fig. 301. lontha umbrina, <$ . \. 



wing with the costa arched towards apex, which is acute ; the 

 outer margin oblique ; the inner margin arched. Hind wing with 

 the apex much produced and acute ; the outer margin oblique and 

 produced into a large lobe near anal angle ; vein 3 given off long 

 before end of cell ; 8 running rather close to 7 to beyond end of 

 cell. 



2610. lontha umbrina, Doubl. Entom. i, p. 298 ; C. fy S. no. 2594. 



$ . Dark fuscous brown ; abdomen with the anal tuft black. 

 Fore wing with a speck in the cell ; both wings with marginal 

 purplish grey band. 



Hal). Sylhet ; Borneo. Exp. GO millim. 



Genus CEITHOTE. 

 Crithote, Wlk. Journ. Linn. Soc. vii, p. 182 (18G4). 



Type, C. horridipes, Wlk. 



Range. Khasis ; Canara ; Borneo. 



3 . Palpi with the 2nd joint thickened and reaching vertex of 

 head, the 3rd short, naked, and blunt ; antennae bipectinated, the 

 branches short ; thorax smoothly scaled ; abdomen long, clothed 



