LIST OF DIPTERA. 1115 



veins ; wing-ribs tawny ; veins pitchy, tawny towards the base ; lon- 

 gitudinal veins straight; lower cross-vein nearly straight, almost 

 upright, parted by more than twice its length from the middle cross- 

 vein, by more than thrice its length from the end of the fourth lon- 

 gitudinal vein, and by less than half its length from the end of the 

 fifth longitudinal vein ; poisers whitish. Length of the body 1^ 

 line ; of the wings 3 lines. 

 a. New Zealand. Presented by Dr. Hooker. 



Opomvza quadrivitta, n. s., fern. Fulva, thorace vittis quatuor piceis, 

 abdomine vitta fasciisque nigris ornato, palpis antennis pedibusque 

 fulvis, alis subcinereis, costa venisque transversis fusco nebulosis. 

 Body tawny : head and chest beset with stout black bristles : 

 head whitish beneath : eyes pitchy : sucker, palpi, and feelers pale 

 tawny : feelers a little shorter than the face : first and second joints 

 beset with a few bristles ; third conical, longer than the second ; 

 bristle black, feathered with hairs on both sides to the tip, about 

 thrice the length of the third joint: chest adorned with four pitchy 

 stripes : abdomen obconical, a little shorter and narrower than the 

 chest, thinly clothed with black hairs, beset on each side with a few 

 black bristles, adorned with a black stripe, and on the hind borders 

 of the segments with black bands : legs tawny, beset with a few 

 black hairs and bristles ; hind thighs pitchy : wings slightly gray, 

 brown for one-third of the breadth beneath the fore border and at 

 the tip, the outline of the brown is irregular above the cross-veins, 

 which are also clouded with brown ; wing-ribs and veins pitchy ; lon- 

 gitudinal veins straight; lower cross-vein straight, slightly oblique, 

 parted by much more than its length from the middle cross-vein, by 

 near thrice its length from the end of the fourth longitudinal vein, 

 and by more than half its length from the end of the fifth longitudi- 

 nal vein ; poisers tawny. Length of the body 1^ line ; of the wings 

 3^ lines. 



a. Isle of France. 



Milichia, Meigen. 



Milichia speciosa, Meig. Dipt. vi. 132, 1, pi. 60,/. 23 — 24. Loew, 



Ent. Zeit. Stett. 324. 

 a. France. 



