Miller. — The Dipt era Fauna of New Zealand. 299 



Thorax and soutellum clothed with short greyish hairs ; shiny bronze, 

 the pleurae with a greyish reflection and the scutellum at times somewhat 

 bluish. Legs robust ; blue-black, the knees brownish ; the tibiae rather 

 thickened apically and clothed with short and scattered silvery hairs ; 

 anterior tibiae with minute, erect, bristle-like hairs along lower side ; 

 anterior and middle pro tarsi with a brush of short bristles beneath, the 

 former joint rather short ; posterior protarsi somewhat elongate and with 

 a short golden brush beneath ; all the femora sparsely haired and the tarsi 

 minutely bristly, a bristle at the angle of each joint being rather conspicuous ; 

 anterior and middle tarsi flattened. Wings comparatively short, very 

 slightly tinged, the veins and stigma brown ; anal angle and alula normal ; 

 squamae and anti-squamae brown , the former fringed with long brown hairs 

 and the latter with short ones ; halteres pale brown. 



Abdomen elongate-quadrangular, not transversely rugose, dull violet- 

 blue, and clothed with minute and scattered silvery hairs which form a 

 longer fringe on each side of the basal segment. 



$. Length, 6 mm. 



Holotype : No. 879, D. M. 



Habitat. — Kevis (W. G. Howes). 



C. cunninghami n. sp * 



A moderate-sized blue-black fly with no colour-pattern and superficially 

 resembling Xylol a montana and Lepidomyia decessum. 



$. Eyes bare, widely dichoptic, comparatively small ; front clothed 

 with strong black hairs, broad, widening anteriorly, shiny blue-black, a 

 transverse furrow across the middle ; ocellar triangle black clothed with 

 a few delicate hairs ; lunular area black, produced slightly between the 

 base of the well- separated antennae, which lie on the face ; 1st and 2nd 

 antennal joints black, the former fringed with greyish hairs, the latter 

 clothed with very short and scattered ones ; 3rd joint orbicular though 

 rather elongate, brownish but black in some lights ; arista black, minutely 

 pubescent, short and stout but tapering apically. Face broad, shiny blue- 

 black with a greyish reflection, and clothed with strong black hairs ; face, 

 in profile, somewhat convex below antennae but running forward to the 

 abrupt knob just beneath the 3rd antennal joint (fig. 19) ; anterior oral 

 margin produced below facial knob and surrounded by a three-sided right- 

 angled furrow ; a small swelling on each side of oral process ; lower angles 

 of face swollen and produced downward, the oral margin thus descending 

 anteriorly (fig. 19) ; cheeks clothed with strong brown and black hairs ; 

 occiput swollen along orbits, blue-black but brownish in some lights, and 

 clothed with greyish hairs, which become long and erect at vertex ; pro- 

 boscis shiny blue-black to brown ; palpi long and styliform, black at base 

 but brownish apically. 



Thorax and scutellum shiny blue-black, clothed with grey or silvery 

 hairs, which become longer on the pleurae. Wings tinged with brown, 

 veins brown, stigma pale brown ; the arculus arising from medius ; squamae 

 and anti-squamae blackish-brown, pale beneath ; the former with a long 

 and the latter with a short fringe of pale-brown hairs ; halteres brown. 

 Legs blue-black, the apex of femora and base of apex of tibiae brownish ; 



* Named after Mr. G. H Cunningham, of the Government Biological Laboratories 



