292 THE LEPIDOPTERA OF CEYLON. 



l)lack terminal band; middle and liind tibite longitudinally streaked with black 

 above. 



Expanse, i ItV, ? Ittt iacb. 



COPTOBASIS ABDUCTALIS (Plate 181, Fig. 7). 



Botys ahduclalis. Walker, Catal. Lep. Ilet. B. M. xviii. p. 669 (1859). 



Botys luminalis, Lederer, Pyral. Wien. Eat. Mouat. vii. pp. 430, 482, pi. 16, fig. 10 (1863). 



Purple-brown, iridescent : forewing crossed by a very indistinct pale-bordered 

 blackish antemedial line, and an irregular postmedial line, the latter ending in a 

 prominent white tridentate subcostal spot ; a white lunule at end of the cell, and a 

 small punctiform spot in the middle : hindwing with a very indistinct pale-bordered 

 black irregular discal line, which is more distinct at the costal end. Cilia of hindwing 

 edged with white. Base of palpi white ; abdomen beneath and legs brownish-white ; 

 fore and middle tibii3e with brown bands. 



Expanse, <J 1, ? lyV inch. 



COPTOBASIS CROTONALIS. 



Botys Crotonalis, Walker, Catal. Lep. Het. B. M. xix. p. 997 (1859). 



Purplish-brown, ii*idescent : forewing crossed by an indistinct l:)lack outwardly- 

 oblique zigzag antemedial line, and an acutely-serrated postmedial line, the latter ex- 

 tending- straight from the costa to lower median, whence it is bent inward to below em 

 of the cell ; an indistinct brown-centred black orbicular and reniform mark : hindwm; 

 with a less distinct blackish sinuous discal line, and a streak at end of the cell. Bas 

 of palpi, body beneath, and legs pale brownish-white ; forelegs and tarsi wit 

 blackish bands ; middle and hind femora with black knees. 



Expanse Ititt inch. 



COPTOBASIS FRATERNA (Plate 181, Fig. 8, cJ). 



Male. Purplish-brown : forewing with an indistinct black obliquely-zigzag 

 antemedial hne, and an irregular postmedial obtusely-denticulated line, a punctiform 

 orbicular spot and a reniform mark : hindwing with an indistinct black streak at end 

 of the cell, and an irregular discal denticulated line. Base of palpi, body beneath, 

 and legs whitish ; forelegs and tarsi with blackish bands. 



Expanse 1|- inch. 



Colombo {Mackwood). 



Smaller than G. crotonalis. Differs on the forewing in the postmedial line 

 bulging outward from below the lower radial, and being more obtusely denticulated; 

 the orbicular and reniform mark is also entirely black. On the hindwing the discal 

 denticulated line descends straio-ht from the costa to the lower median. 



