POLTDESMA. 465 



Genus POLYDESMA. 



Polydesma, Boisd. Faun. Ent. Madag., Lep. p. 108 (1833). 



Pandesma, Guen. Noct. ii, p. 438 (1852). 



Felinia, Gum.. Noct. iii, p. 322 (1852). ' 



Briarda, Wlk. Cat. xiii, p. 1097 (1857). 



Ericeia, Wlk. Cat. xiii, p. 1089. 



Talariga, Wlk. Cat. xv, p. 1634 (1858). 



Oirpa, Wlk. Cat. xv, p. 1849. 



Belciana, Wlk. Journ. Linn. Soc. vi, p. 182 (1862). 



Beana, Wlk. Journ. Linn. Soc. vi, p. 183. 



Bamra, Moore, Lep. Atk. p. 159 (1882). 



Vapara, Moore, Lep. Atk. p. 163. 



Ororaena, Moore, Lep. Atk. p. 160. 



Pitacota, Moore, Lep. Ceyl. hi, p. 46 (1885). 



Koptoplax, Hmpsn. III. Het. viii, p. 126 (1891). 



Type, P. umbricola, Boisd. 



Range. Ethiopian region; Japan; China; Oriental and Aus- 

 tralian regions. 



Palpi upturned ; the 2nd joint reaching vertex of head ; thorax 

 smoothly scaled ; abdomen with usually slight basal ridges and tufts 

 of hair ; tibiae without spines and more or less fringed with hair. 

 Fore wing with the apex somewhat rounded. Hind wing with 

 vein 5 from above angle of cell. 



Larvae with four pairs of abdominal prolegs, the first two pairs 

 rudimentary. 



SECT. I. Antennae of male minutely ciliated. 

 A. Palpi with the 3rd joint short. 



a. (Pandesma). Male with the base of hind iving smoothly scaled 

 on underside. 



a'. Mid legs of male with no tuft of long hair from the 

 femoro-tibial joint. 



2414. Polydesma mundata, Wlk. Cat. xv, p. 1701 ; Hmpsn. III. Het. 



ix, pi. 163, fig. 14, pi. 176, fig. 7 (larva). 

 Bamra acronyctoides, Moore, Lep. Atk. p. 160 ; C. $ S. no. 2432. 



Grey, suffused with pale red-brown ; palpi black at base ; the 

 collar rufous. Fore wing with sinuous subbasal, antemedial, post- 

 medial, and subrnarginal indistinct lines ; an oblique black streak 

 from centre of costa to centre of submarginal line, crossing a 

 longitudinal streak from the discocellulars to the submarginal line ; 

 some black streaks from the submarginal line towards outer 

 margin, the streak above outer angle extending within the line. 

 Hind wing white; the outer area more or less suffused with 

 fuscous. 



Larva. Dull brownish green above, in some specimens purplish ; 

 whitish below ; two small yellowish dorsal spots on each somite 

 except the first and last; a hump on the eleventh somite. Food- 

 plant, Albizzia. Spins a cocoon amongst grass and leaves, and 

 secretes a whitish powder from ventral area when pupating. 



Hab. Kaugra ; Ceylon. Exp. 44 milliin. 



VOL. II. 2 H 



