1893,] MR. E. T. WATSOK ON TSE HESPEEIID^. 1? 



h-. Hiud wing with no tail, but with a projecting tooth at vein 1 h. 



a^. Antennoe sickle-sbaperl. Plestia, Mab. Type, staitdingcri, Mab. (4) 

 V'. Antenna; more or less hooked (except in some species of Hcfc- 

 ropia). 

 a\ Hind tibiae with only terminal pair of spurs. 



Taksocteinus, g. n. Tj'pe, 2}liif ia, Hew. (5) 

 /''. Hind tibisE with both pairs of spurs. 

 a\ Lower discocellular of fore wing strongly arched. 



PiiociDES, Hi'ibn. Type, 2)akmon, Gram, ((i) 

 J'. Lower discocellular of fore wing straight. 



rt". Male with a tuft of hairs on imderside of fore wing. 



HYPOCRYPTOTnuix, g. n. Type, (eiifas, How. (7) 

 b". No tuft of hairs on underside of fore wing in male. 

 a". No tuft of hairs on upperside of hind wing in male. 

 «■*. Apex of fore wing truncate, the outer margin angled 

 at vein 5. 



«■ 



Male with a costal fold on fore wing. 



a". Vein 3 of hind wing immediately before the 

 end of cell. 



Spatmii.ei'ia, Butl. Type, clonius, Cram. (U) 

 6'°. Vein u of hind wing well before end of cell. 



Epargykeus, Hiibn. Type, titi/riis, Fabr. (10) 

 /)'■'. No costal fold on fore wing of male. 



Pkoteides, Hilbu. Type, idas, Cram. (11) 

 /'■'. The apex of fore wing not truncate, outer margin 

 not angled at vein 5. 

 a"". Hind tarsi set below with two series of very 

 conspicuous closely set spine.s. 



CiiKvsoPLECTRUM, g. n. Type, otriadcn, Hew. (Ili) 

 />''. No conspicuous rows of s))ines on hind tarsi. 

 «'". No costal fold on fore wing of male. 



a}^. Vein 2 of fore wing almost equidistant from 

 3 and from the base of wing. 



Heteropia, g. n. Type, imitatrix, Mab. (8) 

 6^'. Vein 2 of fore wing twice as far from 3 as 

 from base of wing, 

 a'-. Antenna; : club abruptly robust, crook 

 very slender, considerably shorter than 

 rest of club. 



AcoLASTUs, Sc Type, savignyi, Latr. (13) 

 6'-. Antenna^ : club very gradually thickened 

 and gradually tapering, crook as long as 

 or longer than the rest of the club. 

 Tblegonus, Hiibn. Type, anaplms, Cram, (14) 

 h^". Male with a costal fold on fore wing. 



a}^. Vein 2 of hind wing far before end of cell. 

 a}-. Terminal portion of club of antennae only 

 slightly or not at all longer than rest 

 of club. 

 «^'. Outer margin of fore wing in male only 

 slightly or not at all longer than inner 

 margin. 

 «^*. Third joint of palpi horizontal. 

 a}^. Vein 3 of hind wing from before 

 end of cell. 

 a^*^. Tooth on hind wing very con- 

 spicuous. 

 GoNiuRus, Hiibn. Type, coeltis, Cram. (3) 

 6'". Tooth on hind wing inconspi- 

 cuous. 

 Thymelb, Fabr. Type, mercatus, Fabr. (15) 



Pboc. 2ool. Soc— 1893, No. II. 2 



