1. Myzine tenuicornis ^HNS.

M. nigra, alis hyalinis, abdomine nitido flavoqe variegato.

Male. length 7 lines. Black; the head and thorax very closely punctured, tinly clothed with griseous pubescence, that on the face, thorax beneath, and on the coxae most dense and glittering; antennae more slender than is usual in this genus, and tapering to their apex, the joints slightly subarcuate; the mandibles bidentate at their apex and with a yellow spot at their base. Thorax: the posterior margin of the prothorax, a spot beneath the wings, the tegulae, and the postscutellum yellow; the anterior and intermediate tibiae ferruginous and more or less dusky above, the posterior pair ferruginous beneath. Abdomen shining, the margins of the segments deeply depressed; a small ovate spot on each side of the first segment, the second and three following segments with a narrow stripe on each side in the middle, yellow; the yellow markings obscure; the apical segment coarsely rugose; beneath, the segments are closely and strongly punctured.

Hab. Aru.