LIST OF DIPTERA. 1039 



distance beyond, just above the middle cross-vein, there is a colour- 

 less dot ; lower cross-vein very slightly oblique, and having an ex- 

 tremely obtuse inward angle ; middle cross-vein nearly perpendicu- 

 lar, very slightly curved inward ; poisers pale yellow. Length of 

 the body 3|- lines ; of the wings 7 lines. 

 a. Brazil. From Mrs. Noel's collection. 



Trypeta Pornia, n. s., fem. Fulva, facie albida, abdomine cyaneo 

 basifulvo, terebra fulva, palpis antennis pedibusque fulvis, alis 

 limpidis fusco maculatis fasciatis et vittatis basifulvis. 

 Body tawny, beset with a few black bristles ; a slight yellow 

 protuberance above the base of the feelers ; face whitish, its sides 

 without bristles ; epistoma slightly prominent : eyes pale red ; fore 

 part nearly flat, with a slight brassy tinge, its facets larger than 

 those elsewhere : sucker and palpi tawny ; sucker clothed with 

 tawny hairs ; palpi beset with black bristles : feelers tawny, a little 

 shorter than the face ; third joint flat above, convex beneath, 

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

 joint ; bristle black, very slender, feathered with eight or nine 

 hairs of moderate length, much more than twice the length of the 

 third joint : abdomen nearly oval, blue, shining, clothed with short 

 black hairs, tawny at the base, lengthened towards the tip, whose 

 tube is tawny and about one-fourth of the length of the preceding 

 part : legs tawny, clothed with short black hairs ; fore thighs beset 

 beneath with a few black bristles ; spines of the shanks and claws 

 black : wings colourless, tawny at the base, adorned with very dark 

 brown marks ; of these are a small spot near the base, and beyond 

 it a broad oblique stripe extending from the hind border to the fore 

 border, and thence occupying more than half of the breadth and the 

 whole of the tip of the wing ; it sends forth two irregular, paler 

 brown bands, which converge towards each other, and at the base 

 nearly enclose a round colourless spot ; there are also two complete 

 round colourless spots in the brown part between the third and 

 fourth longitudinal veins ; between the two spots above there is a 

 triangular colourless spot, whose base rests on the fore border of the 

 wing ; longitudinal veins nearly straight ; wing-ribs tawny ; veins 

 black, tawny at the base and in the colourless parts along the fore 

 border ; lower cross-vein much less than its length distant from the 

 middle cross-vein, nearly perpendicular, almost straight, its outward 

 curve being hardly perceptible ; middle cross-vein straight, perpen- 

 dicular, a little less than half the length of the lower cross-vein ; 

 poisers tawny. Length of the body 2\ lines ; of the wings b\ lines. 

 a. Port Stephen, New Holland. Presented by the Earl of Derby. 



4x2 



