LIST OF DIPTERA. 1075 



spot above the base of the feelers, and with two black spots on the 

 face; sides of the latter without bristles ; epistoma not prominent: 

 eyes red ; fore part slightly convex ; its facets larger than those else- 

 where ; sucker pitchy, clothed with tawny hairs *, palpi tawny, beset 

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

 joint slender, linear, rounded and darker at the tip, more than four 

 times the length of the second ; bristle bare, slender, black, tawny 

 towards the base, nearly twice the length of the third joint : chest 

 and abdomen elliptical, of equal length and breadth : chest and 

 breast tawny, an interrupted black stripe on each side of the former ; 

 a short black band on each side of the latter : a black spot on each 

 side of the hind scutcheon : abdomen yellow, tawny on the disk, 

 adorned with a short black stripe on each side near the base, and 

 with two black spots on each side near the tip ; it has also two black 

 bands, the first is indistinct and interrupted on each side, from the 

 latter a black stripe proceeds almost to the tip of the abdomen : hips 

 tawny ; thighs yellow, tawny towards the tips : shanks dark tawny ; 

 four hinder feet pale yellow, their tips and the fore feet tawny ; 

 claws black : wings colourless ; a brown stripe proceeds along one- 

 third of the length from the base a little below the fore border, 

 which it afterwards accompanies to the tip of the wing and there 

 widens ; another brown stripe accompanies the sixth longitudinal 

 vein to the hind border ; wing-ribs and veins tawny ; longitudinal 

 veins slightly waving, the fifth forming a very slight angle at its 

 junction with the lower cross-vein ; upper basal cross-vein nearly 

 upright, very slightly curved outward ; lower basal cross-vein much 

 nearer the base of the wing, forming a right angle on approaching 

 the sixth longitudinal vein, which it thence accompanies nearly to 

 the hind border ; middle cross-vein slightly oblique, straight till 

 near the tip, where it is curved outward ; lower cross-vein slightly 

 oblique, straight, with the exception of a very slight outward curve 

 near its tip, parted by its length from the middle cross-vein, by a 

 little more than its length from the tip of the wing, and by one- 

 fourth of its length from the hind border ; poisers tawny. Length 

 of the body 3 lines ; of the wings 6 lines. 



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



b. ? 



Dasyneura zonata, Saunders, Trans. Ent. Soc. iii. 61, pi. 5,/. 3. 



A variety of this species much resembles the preceding, but 

 differs in the following characters. Fern. — Head covered with a 

 slight hoary bloom, adorned with three pitchy spots on each side of 

 the crown : fore part of the eyes flat, its facets much larger than 

 those elsewhere : third joint of the feelers more than twice the length 



5 a2 



