152 Mr. P, Cameron o?« new 



Chiaglas, gen. uov. 



Clypeus raised, flat, projecting- out from the face. Man- 

 dibles ending in one longisli tootli. Abdomen witli seven 

 segments, the hast h\rge, if anything longer than the ponulti- 

 niate ; the ventral keel distinct on the second and third 

 S(gments, indistinct on the fourth. Antennae thickened and 

 com|)ressed beyond tlie middle. Occiput roun^lly incised, 

 margined. I^cutellum raised, keeled laterally at the base. 

 Postscutellum bifoveate at the base. Median segment 

 regularly areolated, its apex with an oblique slope ; the 

 spiracles linear. Legs normal ; the tarsi spined ; the hijider 

 coxaj rounded at the base. Areolet 5-angled, narrowed at 

 the top. Abdomen not very much narrow ed at the a])ex ; 

 the last segment is fully developed all round ; the cerci large, 

 stout; postpetiole broad and distinctly separated. 



Belongs to the Ileresiarachini. It is readily known by 

 the clypeus projecting beyond the level of the face in all its 

 extent and by the unidentate mandibles. The male has the 

 antennae serrate beyond the middle ; the ventral keel is as in 

 the female ; the last segment large. There are eight abdo- 

 minal segments. 



Chiaglas nigripes, sp. n. 



Niger, flavo-maculatus ; clypeo, facie orbitisque oculorum flavis; facie 

 nigro-maculata ; pedibus flavis ; femoribus posticis, feinoribus 

 anterioribus subtus, dimidio apicali tibiarum posticarum tarsisque 

 nigris; alis hyaliuis, apice fumatis, nervis stigmatequc nigris. c? . 



Long, 15-1() mm. 



Ilah. Khasia Hills. 



Antenna} black ; the scape with a white mark on the apex 

 below, it is closely punctured and thickly covered with long 

 wliite hair; the flagellum serrate towards the apex; the 

 jiiiith to fourteenth joints white beneath. Head bhick; the 

 lace, clypeus, a line on the inner orbits to the end of the eyes, 

 the outer more widely from shortly above the middle to the 

 base of the mandibles, pale white. The face and clypeus 

 strongly but not very closely punctured and sparsely c )vered 

 wiih whitish hair; in the centre of the face is a large black 

 n)ark, which is narrow at the top, becoming gradually wider 

 to the clypeal fovea? ; the lower edge of the clypeus is black, 

 narrow at the sides, wider in the middle. Frontal depression 

 smooth ; the space below the ocelli closely transversely 

 striated. ]\landibles black, the palpi white. Thorax black ; 

 the edges of the pronotum, its lower edge more narrowly, two 

 short lines on the middle of the mcsonotum, the scutellum, 

 postscutellum, two large marks on the apex of the median 



