Fossorial ITymenoptera from the Khnsia IIlUs. Gl 



on its lower edge, a yellow mark on either side of the 

 scutelliun at the base, and the postseutellum is for the 

 greater part yellow. The raesonotum is closely obliquely 

 striated at the base ; at the apex the strife become longi- 

 tiulinal. The postseutellum is longitudinally striated. The 

 " enclosed space " on the median segment lias, on either side, 

 three obli([ue keels, and there is also one on the outer side ; 

 the sides are irregularly obliquely striated, stoutly on the 

 top, indistinctly and irregularly below. Propleurse irregu- 

 larly and indistinctly striated ; the mesopleurse strongly 

 longitudinally striated, the })crpendicular furrow with a few 

 striations ; the metapleurae closely striated. Wings fuscous 

 hyaline; the nervures black. Legs black ; the four posterior 

 trochanters are for the greater part yellow ; the four pos- 

 terior femora are broadly lined with yellow below ; the 

 middle have a yellow mark on the apex above; the four 

 anterior tibiie are more or less testaceous in front ; the cal- 

 caria are dark testaceous ; the base of the metatarsus is 

 yellow. Abdomen black ; the second and following segments 

 marked laterally Avith irregular yellow marks, the mark on 

 the second being the larger ; on the penultimate is a broad 

 transverse yellow band ; the apex of tlie second narrowly, 

 and the third and fourth are broadly, covered with dark 

 fulvous pubescence ; the pygidium is depressed at the apex, 

 and has, on the sides, some large deep foveee ; the sides are 

 sharply keeled ; at the base of the depressed part there is, in 

 the centre, a small yellow mark. 



Belongs to the section with non-petiolated abdomen, and 

 comes near to C. auricomus, Bingham (Faun. Br. Ind,, 

 Hymen, i. p. 322). 



Crabo khasianus, sp. n. 



Niger, basi mandibularum, scapo antennarum, linea prouoti, scutello, 

 postscutello, pedibus lineisque abdominis flavis ; pedibiis flavis, 

 coxis nigris ; alis fumato-hyalinis, stigmate ncrvisque fulvis. 5 . 



Long. 15 mm. 



Comes nearest to C auricomus, Bing. : that species may 

 be known from it by having the base of the median segment 

 reticulated ; the pronotum has only " indications " of a 

 median groove, the tibite have only " very few spines," and 

 the pronotum has no yellow line. Antennse black, short ; 

 the scape straw-yellow, bare, shining. Head large, broad, 

 largely developed behind the eyes ; the face, clypeus, front, 

 and hinder orbits covered with golden pubescence; the vertex 

 lias a bluish tinge, is shining, obscurely punctured, in front 



