LIST OF DIPTERA. 1021 



Trypeta Atilia, d. s., mas. Nigra, capite antennisque fulvis, pedi- 

 bus jiavis, femoribus nigris, alls fuscis basi maculisque quinque 

 albis. 



Body black : head and chest thinly beset with black bristles : 

 crown and front of the head tawny, sides of the face without bris- 

 tles ; epistoma hardly prominent : eyes red ; facets of the fore part 

 larger than those elsewhere: sucker and palpi black? feelers tawny: 

 abdomen linear, clothed with short black hairs, a little longer and 

 narrower than the chest: legs yellow, clothed with thort black hairs ; 

 thighs black ; fore thighs armed with black bristles ; claws black : 

 wings very dark brown, white at the base, and adorned with five 

 white marks ; one of these is triangular, and rests on the fore bor- 

 der ; the other four are more linear, and are open to the hind bor- 

 der; the one nearest to the base of the wings is linear, the second 

 is small ; the third and the fourth are widest along the border of 

 the wing, and the fourth is longer than the third ; wing-ribs tawny ; 

 veins black, tawny in the white parts of the wing ; longitudinal 

 veins very slightly waving; lower cross-vein a little oblique, slightly 

 curved outward, distant by much less than its length from the mid- 

 dle cross-vein, which is straight and perpendicular ; poisers tawny. 

 Length of the body lj line ; of the wings 3 lines. 

 a. China. Presented by G. T. Lay, Esq. 



Trypeta Tucia, n. s., fem. Nigra, capite fulvo, palpis antennis pe- 

 dibusque fulvis, femoribus nigris, alis limpidis fusco quadrifas- 

 ciatis. 



Body black : head and chest beset with a few black bristles : 

 head tawny ; sides of the face without bristles ; epistoma slightly 

 prominent : eyes red ; facets of the fore part larger than those else- 

 where : sucker tawny, clothed with tawny hairs ; palpi tawny, beset 

 with black bristles : feelers tawny, nearly as long as the face ; third 

 joint conical, less than twice the length of the second; bristle 

 black, downy at the base, nearly twice the length of the third joint : 

 abdomen nearly oval, not longer than the chest ; tube truncated- 

 obconical, full one fourth of the length of the preceding part : legs 

 tawny, clothed with short black hairs ; thighs black : wings colour- 

 less, adorned with four broad brown bands, these are all united 

 along the fore border, where they include a triangular, colourless 

 spot; wing-ribs and veins tawny, the latter black in the brown parts 

 of the wing ; longitudinal veins straight ; lower cross-vein straight, 

 slightly oblique, separated by less than half its length from the 

 middle cross-vein, which is straight and perpendicular; poisers 

 tawny. Length of the body Ij line ; of the wings 2-g- lines. 

 a. North Bengal. From Miss Campbell's collection. 



