22 DIPTERA 



tawny hairs, which are chiefly on the hind-borders of the segments ; 

 the back adorned by an interrupted black stripe, which is widened on 

 the fore-borders of the segments. Legs ferruginous ; hips and 

 thighs thinly clothed with long pale hairs ; shanks and feet covered 

 with pale down ; four hinder thighs tipped with spines ; claws black. 

 Wings grey, brown at the base, beneath the fore-borders, and along 

 the veins j wing-ribs pitchy ; veins black, pitchy at the base and 

 along the fore-border ; angle of the tip cross-vein obtuse, distinct. 

 Scales grey, with darker borders. Poisers tawny. 



Length, 62 lines. 



New Zealand. 



P. ADREL, Walker, Ins. Saund., Dipt. 1, p. 16 (1850) . 



Body dark brown. Head pale tawny, and clothed with tawny 

 hairs in front ; hoary and clothed with pale-yellow hairs beneath and 

 behind. Eyes black, thickly clothed with short black hairs, and in 

 front and on each side with pale-yellow hairs ; all the facets very 

 small. Sucker black ; palpi black, clothed with black hairs. Feelers 

 black, first and second joints thickly beset with long black bristles ; 

 third short, slightly convex above and beneath ; compound joint 

 rather long, not very compact, tapering and much curved upward 

 from the base to the tip. Chest clothed with short dark tawny hairs, 

 fringed on each side with longer pale-yellow hairs. Abdomen black, 

 somewhat obconical, very much broader and a little longer than the 

 chest ; a stripe composed of tufts of pale-yellow hairs along the back, 

 and a larger tuft of the like hairs on each side of the tip ; hind- 

 borders of the segments fringed with pale-yellow hairs. Legs black; 

 hips and thighs tinged with grey, clothed with pale-tawny hairs ; 

 shanks beset with very short black bristles ; foot-cushions pale-tawny. 

 Wings grey, mostly dark brown towards the base and beneath the 

 fore-border ; wing ribs pitchy ; veins black ; curve of the tip cross- 

 vein slight ; posterior submarginal areolet closed near the border. 

 Scales grey. Poisers yellow. 



Length, 6 lines. 



New Zealand. 



P. HiETicEPs. Nowicki, I.e., p. 17 (1875). 



Male and Female. Brownish-black, clouded ; antennae subulate ; 

 palpi narrow ; proboscis short and thick ; legs near the end altogether 

 black ; the two first abdominal segments broadly margined laterally, 

 the following ones coriaceous on the posterior margins, with pale- 

 luteous hairs below, and with pale luteous and black above ; thus, on 



