with a black spot at lower eye-margin. Proboscis and palpi blackish-brown. Occiput depressed, greyish-black, clothed with very delicate greyish hair; posterior orbits broad with short grey hairs below, but a single row, becoming double on vertex, of erect black hairs above.

Thorax clothed with greyish to yellow hair with some erect black ones on dorsum; pleurae cinereous to greyish-black. Dorsum velvet-black, a pair of cinereous rather narrow stripes tapering to a point before reaching scutellum; humeri and sides of dorsum cinereous; cinereous area posterior to humeri and extending over alar region. Scutellum clothed with brownish to golden hair, shiny blackish-brown, apex rather tawny. Legs blackish-brown, sparsely clothed with short whitish hairs, which are rather bristle-like and blackish on posterior femora; the latter distinctly thickened, without a distinct inferior tooth-like process but with stout spines and a reddish-yellow spot below distally; lower side of tarsi, particularly protarsi, with a few short stout spines. Wings slightly tinged with brown, stigma tawny; cross-vein r-m at middle of cell 1st M₂; squamae fringed with tawny branched hair; halteres tawny.

Abdomen shiny bronze-black, extreme apex tawny; the whole sparsely clothed with short grey hair, longer on sides.

♂. Length, 9 mm.

Holotype: No. 1263, D. M.

Habitat.—Mount Hector, 5,000 ft. (J. G. Myers).