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. 



