54 Mr. P. Cameron on new Fossorial Hymenoptera 



Legs \ellow, the apical half of the femora and tibiae 



black madraspatanum. 



Legs rufous, the hinder femora above and the hinder 



tibiae entii eljr black tibiale. 



Head black, tlie greater part of tlie clypens yellow ; the 

 apex of the clypeus and the mandibles ferruginous ; the 

 front, vertex, and occiput thickly covered with long pale 

 fulvous hair ; the cheeks with golden pubescence ; the clypeus 

 sparsely with long fuscous hair. The clypeus at the apex 

 roundly bilobate, bare ; the mandibles black at the base and 

 af^ex ; the palpi rufo-testaceous, black at the base. The scape 

 rf the antennai rufous ; the flagellum black, the apex of 

 the third joint and the fourth on the underside rufous. 

 Thorax black ; a line on the pronotum above, a large trans- 

 verse mark (rounded and narrowed at the ends), two oblique 

 marks (broad at the base, narrowed towards the apex) on the 

 end of the basal lobe of the median segment, the apex of the 

 segment broadly, the tegulte, tubercles, a mark under them 

 (narrow and oblique at the top, larger and more trian- 

 gular below), and a triangular mark under the hind wings 

 yellow. The pronotum is depressed in the middle above; 

 the mesonotum is closely transversely striated, covered with 

 long fuscous hair ; the pcutellum closely longitudinally striated, 

 most strongly on the sides. Median segment thickly covered 

 with long fuscous hair ; the basal part distinctly raised and 

 separated from the apical, broadly furrowed down the middle 

 of the basal part ; the apical deeply triangularly depressed at 

 the apex. Propleurse smooth, deeply excavated in the middle 

 behind ; the mcpo])leur£e and metapleuraj closely and slightly 

 obliquely striated, the latter more strongly towards the apex. 

 Wings lulvo-hyaline, distinctly smoky at the apex; the costa 

 and stigma testaceous, the ncrvures paler. All the coxffi and 

 trochanters arc black ; the rest of the legs rufous ; the femora 

 broadly black at the base above ; the tibia3 black above; the 

 posterior femora black above, the tibias entirely black ; the 

 basal two joints of the tarsi black at tlie apex, the other joints 

 entirely black ; the calcaria with a thick brush on the basal 

 half. Petiole black, shorter than the rest of the abdomen ; 

 the apex of the second segment broadly, of the others more 

 narrowly yellow ; the apical ahnost entirely rufous, smooth 

 above, the sides coarsely punctured. 



A distinct species. 



Khasia Hills. 



