LIST OF DIPTERA. 1041 



Group XXVI. 



Trypeta Oborinia, n. s., inas. et fem. Nigro-cyanea, capite ferru- 

 rugineo, palpis antennisque fulvis, pedibus nigro-tiridibus, tibiis 

 apice genubus tarsisque ferrugineis, alis nigris longis angustis 

 albo sex-maculatis. 



Body bluish black, rather dull: head and chest beset with 

 black bristles : head ferruginous, tawny with a whitish covering in 

 front, armed behind with rows of stout black bristles ; sides of the 

 face without bristles ; epistoma hardly prominent : eyes brassy ; 

 fore part red, rather flat, its facets larger than those elsewhere : 

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

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

 linear, rounded at the tip, more than twice the length of the second 

 joint ; bristle black, slender, downy, nearly thrice the length of the 

 third joint : chest and abdomen nearly linear, very thinly clothed 

 with short tawny hairs : abdomen spindle-shaped, tapering and 

 lengthened towards the tip, a little narrower than the chest and 

 nearly twice its length : legs slender, greenish black ; knees, feet, 

 and tips of shanks ferruginous ; foot-cushions pale tawny ; claws 

 black ; fore thighs beset with black bristles : wings black, long and 

 narrow, each adorned with six large white marks and with one 

 white dot ; one of the marks forms an oblique band across the wing 

 near the base, the other five are triangular in shape, two rest on the 

 fore border and three on the hind border, and their tips approach 

 each other in the disk ; the dot is a little nearer the tip in the mid- 

 dle of the breadth ; wing-ribs and veins black, the latter tawny in 

 the white parts of the wing ; longitudinal veins straight ; lower 

 cross-vein very slightly curved inward along most of the length, 

 straight towards the lower end, separated by less than half its 

 length from the middle cross-vein, which is a little oblique and al- 

 most imperceptibly curved outward ; poisers ferruginous. Length 

 of the body 2 — 2f lines ; of the wings 5 lines. 

 a. Congo. Presented by Sir J. Richardson. 



Group XXVIII. Camptoneura, Macq. 



Trypeta picta, Wied. Auss. Ziveif. ii. Musca picta, Fabr. Ent. 

 Syst. iv. 355, 175. Dictya picta, Fabr. Syst. Anil. 330, 18. 

 Tephritis conica, Fabr. Syst. And. 318, 10. Camptoneura, 

 Macq. Dipt. Exot. ii. 3, 201, 1, pi. 27, /. 4. 



a. North America. Presented by the Entomological Club. 



b. Massachusetts. From Prof. Sheppard's collection. 

 e. ? 



4x3 



