212 BOMBYLIIDJE. 



161. Exoprosopa semilucida, Walk. 



Anthrax semilucida, Walker, Ins. Saund., Dipt. pt. iii, n. 170 

 (1852). 



5 . " Black ; head grey above, hoary beneath, clothed in front 

 and beneath with tawny hairs ; feelers black, dark ferruginous at 

 the base ; 1st joint short, hardly twice the length of the 2nd, 3rd 

 slightly tapering from the base to the tip, about thrice the length 

 of the 1st ; 4th slender, linear, not more than one-fourth of the 

 length of the 3rd; chest and breast clothed with tawny hairs; 

 scutcheon dark ferruginous ; abdomen slightly obconical, a little 

 broader but not longer than the chest ; each segment adorned 

 with a band of pale yellow hairs ; the hairs beneath are hoary 

 and occupy a large part of each segment ; wings pale grey, tawny 

 at the base and along the fore border for full three-fourths of the 

 length ; wing-ribs tawny ; veins black, tawny towards the base 

 and along part of the fore border ; poisers tawny, with paler 

 knobs. Length of the body 8 lines, of the wings 18 lines. East 

 Indies." 



162. Exoprosopa auriplena, Walk. 



Anthrax auriplena, Walker, Ins. Saund., Dipt. pt. iii, p. 171 (1852). 



5 . " Black, clothed with tawny hairs ; head adorned with a 

 tawny covering, clothed with short black and tawny hairs ; peri- 

 stoma yellow; mouth and epistoma prominent; breast hoary, 

 clothed with pale hairs; scutcheon ferruginous; abdomen nearly 

 elliptical, a little longer than the chest; fore borders of the 

 segments adorned with bands of yellow hairs ; hind borders 

 slightly ferruginous above, distinctly so beneath, which is clothed 

 with hoary hairs ; legs clothed with short black hairs, armed with 

 black spines ; shanks dark tawny towards the base ; wings grey, 

 bright tawny at the base beneath the fore border and along the 

 borders of most of the veins, adorned with eight grey spots, 

 which are mostly on the cross-veins ; there are also two paler 

 and indistinct grey spots towards the base ; poisers tawny, with 

 yellow knobs. Length of the body 4| lines, of the wings 10 lines. 

 East Indies." 



163. Exoprosopa albida, Walk. 



Anthrax albida, Walker, Ins. Saund., Dipt. pt. iii, p. 171 (1S52). 



5 . " Black, thickly clothed with pale yellow hairs ; head 

 clothed above with yellow hairs ; peristoma whitish yellow ; epi- 

 stoma prominent ; 1st joint of the feelers pale tawny ; breast and 

 underside of abdomen clothed with white hairs ; scutcheon ferru- 

 ginous ; abdomen mostly ferruginous, slightly obconical, not longer 

 than the chest, clothed with whitish-yellow hairs ; legs tawny, 

 armed with black spines, clothed with pale yellow hairs ; feet 



