112 LT.'PIIDM. 



projectiug lamellie. Legs practically bare, bright chrome-yellow, 

 middle coxae obscured : a short blackish-brown streak at tip of 

 hind side of middle femora; hind legs with tip of coxa), extreme 

 base of femora, and a broad apical baud on femora and tibiae black. 

 Wings yellow, veins brownish black ; halteres bright yellow. 



Length, 20 mm. 



Described from a single § in the British Museum from the 

 Khasi Hills, Assam. 



Subfamily LEPTINiE. 



Face with a rounded socketed epistoma ; eyes bare, generally 

 contiguous in the d , facets of uniform size ; proboscis often 

 swollen, conspicuous, though never very long; palpi distinct, 

 moderately long, porrect, or pendant. Antennae with 3rd joint 

 simple, rounded, oval, or reniform, always with a long apical, 

 subapical, or subdorsal arista. Abdomen elongate-conical; genitalia 

 of moderate size. Legs slender ; tibia? with rows of minute 

 bristles, middle pair with two spurs at tip, hind tibiae with one or 

 two spurs.* Alula) well developed; alar squamae of moderate 

 size, thoracic pair absent. 



The genera have already been tabulated on p. 103. 



Genus ATRICHOPS, Verr. 



Atrichops, Verrall, Brit. Flies, v, p. 291 (1909). 



(JE^"OTYPE, AtJierix erassijjes, Mg. (Europe) ; by original de- 

 signation. 



Head semicircular, a little narrower than thorax, more rounded 

 and less tilted forwards than in AtherLv; face witli a quite bare, 

 rounded, socketed epistoma ; cheeks large, bare in both sexes ; 

 frons in 6 nearly or quite bare, sliglitly narrowing from vertex to 

 antennae; in § with a little sparse pubescence; occiput promi- 

 nent, especially on lower part in d ; eyes bare in both sexes, 

 contiguous or practically so in J , facets uniform in size ; the 

 eyes in 2 separated distinctly. Proboscis prominent, thick, with 

 long oval hibella; ])alpi two-jointed, prominent, slightly drooping. 

 Antennae rather short, the space above their base bare; 1st joint 

 cup-shaped, 2i)d more or lejss rounded, rather short, both bristlv ; 

 3rd kidney-shaped, with a dorsal ai-ista.f TJtorax slightly arched, 

 with close short pubescence ; pleurtc partly pubescent ; scutellum 



* Tile apparent disagreement liere with Veri-all, who states that two spurs 

 are fouiitl on all the posterior tibiae, is clue to liis ranking Chrysupila as a, 

 separate subfamily, in which genus the liind tibia; possess only a single spur. 



t Verratl speaks of it as •'terniina], which from the shape of the ord joint 

 (deepened downwards) appears to be dorsal." This author regards the tip of 

 the 3rd joint as its furthest point in a straight line, in whicii ease the arista is 

 terminal, but I am regarding its tip as the extreniily of its greatest length, in 

 which case the arista is dorsal. 



