428 THE LEPIDOPTERA OF CEYLON. 



Genus THALERA. 



Thalera, Hiibiier, Vciz. Ijtk. Schmett, p. 285 (1818-25) ; Stephens, Catal. Brit. Lep. B. M. p. 225 

 (1850); Lcderer, Veis. Eur. Spaa. p. 25 (1853); Walker, Catal. Lep. Het. B. M. xxii. p. 592 

 (1861). 



Forewiug short, triangular ; apex acute ; cell nearly half the length ; first and 

 second subcostals from end of tlie cell, second quadrifid, sixth also from the end ; 

 discocellular deeply concave, radial fi'om above the middle ; two upper medians 

 from end of cell, lower at one-third : hindwing quadrate ; exterior margin slightly 

 sinuous, angular in the middle ; two subcostals from one-fourth beyond the cell ; 

 discocellular bent above the middle, radial from the angle ; two upper medians at 

 one-fourth beyond the cell, lower at one-fifth before the end. Body slender; palpi 

 obliquely-ascending, laxly clothed beneath, third joint half the length of second, 

 cyli)idrical ; autenna3 in male serrated, the points ciliated ; legs long, slender, smooth, 

 hind tibiaj long, thickened, with a terminal pair of spurs only in male, with two 

 pairs in female. 



Tijpe, T. Thymiaria. 



THALERA COSTIPUNCTATA (Plate 195, Fig. 4). 



Dull glaucescent-green. Cilia cinereous-white. Wings with a very indistinct 

 transverse discal row of whitish points, and a marginal row of white j^oints : fore- 

 wing with black streaks along the costal edge, and with traces of a whitish inner 

 lunular line. Front of head, palpi, and forelegs above brownish ; shaft of autennie 

 and vertex ochreous-white. 



Expanse xo inch. 



THALERA ACUTISSIMA (Plate 196, Fig. 7). 

 Tlialera aciitissima, Walker, Catal. Lep. Het. B. M. xxii. p. 596 (1861). 

 Olivaceous glaucescent-green. Wings with a transverse very indistinct whitish 

 discal line, and an indistinct whitish marginal line ; cilia pale yellowish ; caudal 

 angle of hindwing with a few blackish speckles. Vertex whitish; front of head, 

 and palpi above bi'own ; body and legs beneath whitish. 

 Expanse Ifg inch. 



THALERA FLAVIFUSATA (Plate 194, Fig. 3, S , 3a larva). 

 Thalera flavifiisata. Walker, Catal. Lep. Het. B. M. xxii. p. 596 (1861). 

 Green. Wings crossed by a slender reddish denticulated discal line, and a 

 purple red lunular marginal line ; cilia pale purplish ; a small brown spot at end of 

 each cell : f orewing also with traces of an inner denticulated line. Shaft of antennae 

 and vertex white ; front of head, tip of palpi, and legs above pale brown ; body and 

 legs beneath whitish. 



