2 Cameron, Hymenoptera Orientalia. 



broadly; on the sides narrowly, and dilated in the middle, 

 especially at the top, yellow ; the mandibles thickly 

 covered with dull fulvous hair ; rufous before the apex. 

 Antennae stout ; 7-8 joints near the middle on the 

 underside yellowish-white ; the scape punctured ; on the 

 underside covered with pale golden hair. Thorax black ; 

 the edge of the pronotum, scutellum and post-scutellum 

 yellow, the mesonotum closely punctured ; thickly covered 

 with a short, dull fulvous pubescence ; the scutellum 

 punctured ; the post-scutellum hardly so ; the sides of the 

 former smooth, shining, and impunctate ; the depression 

 at the side of the post-scutellum also smooth and shining 

 and with a distinct margin ; the median segment coarsely 

 irregularly striolated at the base ; the middle of the apex 

 closely transversely striated; the sides much more strongly 

 transversely striated ; all the areae clearly defined. 

 The lower part of the propleurae irregularly obliquely 

 striated. The mesopleurae closely punctured ; the middle 

 with some irregular longitudinal striations ; the meta- 

 pleurae closely punctured, running into irregular striations 

 at the apex. Legs covered with pale pubescence; the 

 outer and lower half of the four anterior coxa?, the hinder 

 coxae entirely black, except a yellow spot in the middle 

 above; the front femora are rufo-testaceous on the under- 

 side, the middle pair towards the apex only ; the front 

 tibiae testaceous in front; the middle pair rufo-testaceous 

 towards the apex ; the hinder pair quite black and both 

 the hinder pairs have a broad white mark near the base ; 

 the four anterior tarsi dull testaceous, the hinder pair 

 dark, with the third and fourth joints white. Abdomen 

 shining, bright blue, except the petiole, which is darker ; 

 shining, almost glabrous ; the petiole at the apex before 

 the gastrocceli with a strongly punctured spot ; the gas- 

 trocoeli shallow, large, the base with some striations ; the 

 apex flesh-coloured. 



