Hutton. — On the Diptera brachycera of Neiv Zealand. 13 



Male. — Legs fuscous, the fore aud middle tibiae tawny. 



Female. — Legs fuscous, all the tibiae tawny, and sometimes 

 the femora (Auckland specimens) also. The white triangles 

 on the abdomen are larger than in the male. 



Length, 13 mm. ; w T ing, 12-13 mm. 



Hab. Auckland (Captain Broun) ; Taranaki (Clark). 



Tabanus gravis, sp. nov. 



Female. — Head dark-brown, paler on the face ; antennae 

 black, the basal tooth large. Palpi dark-grey ; proboscis dark- 

 brown, the lancets reddisb. Facets of the eyes very small. 

 Thorax black, with two indistinct greyish bands ; the sides 

 greyish. Abdomen black, with small pale triangles on the 

 second to the fifth segments ; a small reddish spot on each 

 side of the second segment ; the posterior lateral corners of 

 the second to the sixth segments tawny and with white hairs ; 

 the lower surface brown. Legs brown, the femora and tarsi 

 blackish. Wings nearly colourless, the stigma brown, the 

 veins dark-brown. Length, 16 mm. ; wing, 15 mm. 



Hab. Auckland (Captain Broun). 



Tabanus sarpa. 



T. sarpa, White, MSS. ; Walker, Cat, Dipt, in Brit, Mus., 

 part v., p. 255 (1854). T. truncatus, Walker, I.e., p. 255; 

 Hutton, Cat. Dipt. N.Z., p. 20. 



Vertex, in the female, brown ; face and a band above 

 the antennae yellowish-white. First and second joints of the 

 antennae dark-brown, the third black. Proboscis dark-brown. 

 Thorax reddish-brown, with four cinereous longitudinal bands. 

 Abdomen pitch-brown, segments 1 to 5 with a pale triangular 

 mark in the centre (in the female). Legs fulvous, the an- 

 terior tarsi fuscous ; the femora more or less dusted with 

 grey. Wings nearly colourless, the veins tawny. Length, 

 11-12 mm. ; wings, 12 mm. 



Hab. Auckland (Colonel Bolton and Captain Broun). 



Tabanus viridis. 



Comptosia virida, Hudson, Man. N.Z. Ent., p. 55, pi. vi., 

 fig. 3. 



Vertex and face greyish-white. First and second joints of 

 the antennae brownish-fulvous, the third joint piceous. Eyes 

 green when alive, piceous when dry, hairless. Thorax pitch- 

 brown, without any bands ; a few scattered black hairs in the 

 centre and grey hairs on the sides. Abdomen pitch-brown, 

 with grey dust ; the margins of the segments grey. Legs 

 testaceous, the tarsi fuscous ; the femora with grey dust. 

 Wings slightly greyish, the veins tawny. Length, 14-15 mm. ; 

 wing, 12 mm. 



