BOMBYCIDyE. 135 



KABILA FRONTALIS (Plate 132, Fig. 5, <?). 

 Rabila frontalis, Walker, Catal. Lep. Het. Brit. Mus. xxxii. p. 508 (1865). 

 Male. Very pale fawn colour, whitish, beneath. Forewings fawn colour : 

 hindwings white, sUghtly hyaline. Legs whitish, fore tibige and fore tarsi fawn 

 colour above. 



Expanse If inch. 



FamUy BOMBYCIDiE. 



Wings short, broad ; f orewing moderately falcate at the tip. Body short, thick ; 

 antennae bipectinated in both sexes ; proboscis obsolete ; legs pilose. 



Larva with sixteen legs, naked, elongate ; head small ; anterior segments more 

 or less thickened ; a dorsal fleshy spine on twelfth segment only, or with two sub- 

 dorsal slender spines on sixth to thirteenth segment, as well as the dorsal. Cocoon 

 oval ; of the finest silken texture. 



Typical species, Bomhyx mori. 



Genus TRILOCHA. 



Naprepa* Walker, Catal. Lep. Het. B. M. v. p. 1152 (1855). 

 Trilocha, Moore, Catal. Lep. Mus. E. L C. ii. p. 382 (1858-9). 



Wings very short, broad. Porewing triangular ; costa slightly arched at the 

 end, apex pointed, exterior margin slightly oblique and convex ; costal and subcostal 

 running close along edge of the margin ; cell long, extending more than half length 

 of the wing ; first subcostal emitted near end of the cell, second from the end, 

 quadrifid, the third thrown ofi from below second at a short distance beyond end of 

 the cell, the fourth at nearly one-half from below the third, and fifth at nearly one- 

 half from below the fourth ; discocellulars bent inward in the middle, upper bent 

 outward, upper radial from angle of upper discocellular, lower radial from below the 

 middle angle ; a discoidal veinlet emitted within the cell from the middle angle ; three 

 median branches, lower emitted at about one-half, and middle branch at one-fourth 

 before end of the cell ; submedian straight, extending close to the margin : hindwing 

 short, broad ; exterior margin very convex, abdominal margin long, anal angle slightly 

 lobate ; costal and subcostal vein united near the base ; two subcostal branches 

 on a footstalk at one-fourth beyond end of the cell ; cell extending half the wing ; 

 discocellulars very obHque, upper bent inward, radial from the middle ; three median 

 branches, lower at nearly one-half before end of the cell, middle and upper from end 

 of the cell ; a submedian and an internal vein. Body short, thorax stout ; palpi 

 porrect, short, stout, pilose ; antennae bipectinated in both sexes ; legs, including the 

 tarsi, pilose. 



* Previously used by Walker (Catal. Lep. Het. B. M. v. p. 1046). 



