Miller. — The Diptera Fauna of New Zealand. 



327 



Tawny areas of 2nd abdominal segment encroaching more over the 

 posterior angles of 1st segment ; no indistinct greyish areas on 3rd and 

 4th segments, but the 3rd segment transversely rugose and brownish-yellow 

 in the middle in some lights. 



<J. ' As antipodus, but the yellow of front is more brownish and of the 

 face more greyish ; cheeks with a denser beard ; scutellum blue-black to 

 brownish ; legs differ from antipodus as do those of $ ; colour-pattern 

 of abdomen paler. The points of difference in the genitalia of the two 

 species is seen by comparing figs. 72 and 73 with 76 and 79. 



cJ. Length, 13 mm. $. Length, 17-19 mm. 



Plesiotype : No. 1243, D. M. 



Habitat. — Throughout New Zealand. 



Fig. 82. — Helophilus cargilli : diagram of abdomen of female. 



Fig. 83. — H. campbellicus : diagram of abdomen of male. 



Fig. 84. — Myiatropa campbelli n. sp. : diagram of abdomen of female. 



Fig. 85. — Helophilus chathamensis : outline of head in profile. 



Fig. 86. — Myiatropa campbelli n. sp. : apex of wing, showing shape of R2 + 3. 



H. cargilli Miller. 

 H. cargilli Miller, Trans. N.Z. Inst., vol. 43, p. 126 (1911). 



A large robust fly with striped thorax and orange-red abdomen inter- 

 sected by black transverse bands and a median stripe, with pale-yellow 

 circular spots on segments (fig. 82). Eesembles closely Myiatropa camp- 

 belli n. sp. (compare fig. 82 with fig. 84). 



$. Eyes bare ; ocellar triangle, dark brown occupying whole of vertex 

 and clothed with dark-brown hairs ; front orange-brown in some lights 

 with pruinose reflections and clothed as ocellar triangle ; at times the front 

 is yellowish-brown or the upper half distinctly brown, this colour being 



