THE MOTHS OF INDIA. 139 



178. Rhopalopsyche bifasciata. 



Jihopalopsyche bifasciata, Butl., P. Z. B., 1875, p. 239, pi. 3G, f. 4. 



Habitat.— B. India ; Ceylon. 



Subfamily Peegesin^e. 



A. Proboscis with the base exposed ; palpi with the 2nd joint not contiguous. 



a. Palpus with the 2nd joint distinctly narrower than 



the 1st, more or less tapering apically , Cechenena. 



b. Palpus with the 2nd joint not narrower than the 1st. Ilhagastis. 



B. Proboscis with the base not exposed ; palpi with the 



2nd joint contiguous. 

 a. Palpus with the scaling at apex of 1st joint dense 

 and regular on innerside. 

 a 1 . Palpus with apical tuft of scales on innerside 

 of 2nd joint directed downwards and inwards. 

 a 2 . Palpus with the scaling of 1st joint on outerside 



longest just below the apical cavity Rhyncholaba. 



b 1 . Palpus with the scaling of 1st joint on outerside 



longest at base « Theretra, 



b 1 . Palpus without apical tuft of scales on inner 



side of 2nd joint Hippotion. 



b. Palpus with the scaling at apex of 1st joint not 

 dense, and irregular on innerside. 



a 1 . Palpus rough with long scattered hairs Pergesa. 



b 1 . Palpus without or with very few long scattered 



hairs Celerio. 



Genus Celerio. Type. 



Celerio, Oken, Lehrb., Naturg. III., I, p. 761 (1815) gallii. 



Phryxus, Hiibn., Verz., p. 137 (1827). lineata. 



A. Pulvillus present. 



a. Forewing with the veins traversing the brown 



band pale, the pale band sharply defined lineata. 



b. Forewing with the veins not pale. 



a. Forewing with the costal area on upper- 



side brown and clearly defined gallii. 



b. Forewing with the costal area pale with 



a large patch beyond apex of cell, a 

 prominent broad basal band niccea, 



B. Pulvillus vestigial, represented by a very small process or flap. 

 a. Forewing with the costal area on upperside 



brown and sharply defined, the veins on brown 

 postmedial band not pale, terminal band 

 slightly paler than postmedial band ; under- 

 side not rosy red sygophylli. 



