30 DIPTERA 



tapering from the base to the tip, compressed and lengthened towards 

 the tip in both sexes, clothed with short black hairs and with a few 

 long whitish hairs (the latter are chiefly towards the base and on the 

 under-side) ; first and second segments short ; third and following 

 segments long. Legs dark ferruginous, clothed with short black 

 hairs, armed with black spines; feet black; foot-cushions piceous. 

 Wings whitish-brown at the tips ; wing-ribs piceous ; veins ])lack, 

 piceous towards the base. Poisers tawny. 



Length, 60— 10 lines. 



Var. ^. Thighs black. 



New Zealand (Colcnso). 



A. LAScus. Walker, I.e., JJ- 466 (1849). 



Body slender, brown. Head as broad as the thorax, covered with 

 dark tawny down, beset behind the eyes with a few black bristles, 

 thinly clothed beneath with whitish hairs ; epistome armed ivith long 

 white bristles ; eyes bronze, fore-part nearly flat, its facets larger than 

 those of the other part ; lip black, clothed at the tip with short white 

 hairs ; palpi black, beset Avith long black hairs. Antenuie black ; first 

 and second joints beset with a few black hairs ; second joint slightly 

 club-shaped, tawny in the female, rather more than half the length of 

 the first ; third joint tapering from the base to the tip, as long as the 

 first and the second, tawny at the base in the female ; style stout, 

 rather more than half the length of the third joint. Thorax beset on 

 each side and behind with a few black bristles, adorned with three 

 iucomplete tawny stripes ; sides tawny ; breast hoary. Abdomen 

 piceous, narrower than the thorax and more than twice its length, 

 clothed with tawny hairs, slightly tapering from the base to the tip ; 

 first and second segments very short ; third and following segments 

 long, successively decreasing in length. Genitalia of the male small, 

 tip of the female compressed. Legs dull tawny, clothed with short 

 tawny hairs, armed with long tawny bristles ; thighs and shanks 

 striped with piceous, especially towards the tips ; feet piceous, tawny 

 at the base; claws black; foot-cushions tawny. Wings light tawny, 

 grey at the tips, and along the hind-borders ; wing-ribs piceous, veins 

 black, piceous at the iDase. Poisers tawny. 



Length, 5—6 lines. 



New Zealand (Colenso) . 



Genus-LAMPEIA. 



Macfjuart. 

 Body slender, naked or covered with down. Head depressed ; 

 neck rather elongated. Face salient below, mystax covering the 



