On new Genera and Species of Hymenoptera. 145 al)ove, bright yellow beneath * ; an oblique blackish stripe from ill front of the dorsal to the base of the ventral; upper siiifaceof head and opercular fold black; pectoral fins yellow, ventrals black ; dorsal, anal, and caudal fins grey at the base, black at the end. Total length 180 millim. A single specimen from Lake Oguta, presented to the British Museum by Dr. Ansorge. EXPLANATION OF PLATE III. Cifharidium Ansorc/ii, natural size, with enlarged view of scales from the middle of the body. XXVI. — Descriptions of new Genera and Species of Hymeno-ptera from the Oriental Zoological Region (.IchneumonidjB, Fossores, aiid Anthophila) f. By P. CAMERON. IchneumonidaB. Aglaojoppa Rothneyi^ sp. n. Nigra, late flavo-maculata ; pedibus tlavis, anterioribus nigro-lineatis ; femoribus posticis rutis ; alis hyaliuis, stigmate testaceo. ? et d. Long. 18 mm. Hah. Khasia Hills. Antennre black ; the scape and the flagellum to beyond the middle yellow beneath. Head yellow; the middle of the vertex, of the front, the occiput, and a band on the outer orbits above the middle black. Face and clypeus closely punctured, the clypeus less strongly than the face, and its sides are iinpunctate. The front in the middle bears shallow moderately large punctures and is furrowed down the centre. Mandibles black, yellow at the base; the palpi yellow. Thorax black ; the upper third of the prothorax, two longi-tudinal lines on the centre of the mesonotum, the scutellum, postscutellum, the basal half of the scutellar keels, a trans-verse line near the base of the areola, the sides at its apex, a large obliquely narrowed mark on the outer side of the lateral basal area3, the posterior median, and the spiracular (except at * On the fish being transferred to fresh spirit on its arrival, this colour disappeared in a few hours, staining the spirit a vivid yellow. t The species are mostly iu the collection of Mr. G A. J. Rothnoy.
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