Hutton. — On the Diptera brachycera of New Zealand. 89 



tawny. Wings colourless, a dusky spot at the apex of the 

 submargiual cell. Length, 4 mm. 



Hab. Bay of Islands (Sir J. Hooker) ; Christchurch 

 (H. Clark). 



The auxiliary vein is almost entirely amalgamated with 

 the first longitudinal. 



Family PIOPHILIDvE. 



"Auxiliary vein coalescent with first longitudinal. Front 

 with some small bristles above ; border of the mouth with 

 a vibrissa on each side. Clypeus rudimentary. Legs rather 

 stout ; the middle tibiae with spurs ; no erect bristle on the 

 outside before the tip" (Loew). 



Genus Piophila, Fallen (1820). 



Body shining, not bristly. Head nearly round ; mouth 

 not prominent. Antennae short, not reaching the epistome ; 

 the third joint a little longer than broad, about twice the 

 length of the second ; arista bare. Abdomen nearly linear, 

 a little longer than the thorax. Basal cells of the wing large. 

 Legs pubescent. 



Piophila smithii, sp. nov. 



Vertex of head and thorax shining-black ; antennae and 

 lower face tawny or testaceous. Second joint of the arista 

 rather elongated, tawny ; the third joint black, bare. 

 Abdomen dark-brown. Legs dark-brown or black ; the coxae, 

 knees, fore and middle tibiae, and all the tarsi tawny. Wings 

 clear, the veins tawny. Costa very thick, extending round 

 the wing to the tip of the fourth longitudinal ; distance 

 between the two cross-veins about one and a half times 

 the length of the posterior cross- vein ; the distance of the 

 posterior cross-vein from the margin of the wing is about half 

 its own length. Length, 4 mm. ; wing, 3|mm. 



Hab. Ashburton (W. W. Smith). 



The auxiliary vein is united to the first longitudinal for it& 

 whole length, but it can be recognised without difficulty. 



Family EPHYDKINIM]. 



" Face convex, without distinct grooves for the antennae. 

 Clypeus very much developed ; opening of the mouth large ; 

 proboscis thickened, with a swollen chin. Auxiliary vein 

 distinct only at its base ; the foremost of the two small basal 

 cells united with the discal cell. Middle tibiae with spurs " 

 (Loew). 



Key to the Genera. 

 Mouth very large . . . . . . . . . . Ephydra. 



Mouth moderate ; arista pectinated . . . . . . Domina. 



