Gen. Cœnurgia, n. g.

Mas. Corpus gracile. Caput elongatum, antice conicum. Antennæ porrectæ; articulus 3us lanceolatus; arista apicalis, sat robusta. Thorax linearis. Abdomen fusiforme, thorace vix angustius, non longius. Pedes longi; femora lata, compressa; tarsi antici articulo 1° dilatato fusiformi. Alæ breviusculæ, sat angustæ.

Allied to Nerius. Male. Body slender. Head elongate, conical in front, as broad as the thorax. Antennæ porrect; 1st and 2nd joints short; 3rd lanceolate; arista rather stout, apical, larger than all the preceding joints. Thorax linear. Abdomen fusiform, hardly narrower and not longer than the thorax. Legs long, femora broad, compressed; fore tarsi with the first joint dilated, fusiform. Wings rather short and narrow.

214. Cœnurgia remipes, n. s. Mas. Fulva, capite guttis tribus nigris, antennis basi nigris, arista alba, thorace maculis duabus nigris, pedibus nigris, coxis femoribusque luteis apice nigris, alis flavo-cinereis, halteribus apice nigris.

Male. Tawny; head with a black spot on the vertex, and with two black dots on each side, one in front, the other behind; antennæ black towards the base; arista white; thorax with a black spot on each side in front; legs black; coxæ and femora luteous, with black tips; wings grey, tinged with yellow; veins black; cubital vein and præbrachial vein converging towards the tip of the wing; discal transverse vein straight, oblique, parted by less than its length from the border, and by more than twice its length from the præbrachial transverse; halteres with black knobs. Length of the body 31/2 lines; of the wings 51/2 lines.

Gen. Nerius, Wied.

215. Nerius fuscipennis, Macq. See Vol. I. p. 38.