OF NEW ZEALAND. 33 



sides of the thorax with black bristles ; sides of the chest with slender 

 silk-like white hairs. Abdomen shining-white, with white incisions 

 and white sides ; hairs thin and white, on the end of the abdomen 

 black. Head brown, epistome and front dusted with broAvnish-yellow; 

 front lighter, with short black hairs. Antennae blackish-brown ; first 

 joint with black hairs ; the third with a distinct constricted style. 

 Proboscis and palpi light-brown, the end of the former reaching close 

 up to the antennae. Legs dirty-yellow, hips dusted with whitish-grey; 

 thighs strongly darkened and with fine Avhitc tomentum outside. 

 Wings tinged with dirty-yellow; the veins brown. 



Length, 5 lines. 



Auckland. 



Family — Dolichopodidje. 



Legs long ; pulvilli three ; proboscis short. 



Genus-PSILOPUS. 



Meigen. 



Face broad in both sexes. Palpi with one bristle. Third joint of 

 the antennpe generally round, the style inserted near its extremity. 

 Eyes generally hairy in the male. Abdomen long and slender ; appen- 

 dices filiform. Legs very long and slender, anterior thighs with 

 bristles above. Four posterior cells, the second incomplete. 



P. GEMMATUs. Walker, l.c, J). 6i7 (1849). 



Body bright bluish-green, beset with black bristles. Head covered 

 in front with white down ; eyes bright-red ; mouth tawny ; antennae 

 black, style nearly as long as the thorax. Breast and sides of the 

 chest covered with whitish bloom. Abdomen golden green, bluish- 

 green at the base. Legs pale yellow, clothed with very short black 

 bristles; feet darker, pitchy towards their tips. Wings slightly grey; 

 wing-ribs and poisers tawny ; veins black ; curve of the tip cross-vein 

 unusually slight. 



Length, 2 lines. 



New Zealand (Dr. Sinclair). 



Section— COARCTATiE. 



The pupae are formed within the larval integument, which hardens 

 into a pupa-shell. 



Family — STUATiOMTiDiB. 



Antennae three-jointed, the third joint generally five- or six-ringed 

 and often terminated by a style ; proboscis Avith a terminal fleshy lip. 



