Manchester Memoirs, Vol. xliiL (1899), No. 9. 5 



the scape and second joint pallid yellow, covered with 

 short, white hair ; the basal joint of the flagellum blackish ; 

 the others rufo-testaceous. Head shining, impunctate, 

 thickly covered with short, fuscous hair; the occiput, the 

 ocellar region, an oblique line on the vertex extending 

 from the eyes to the occiput, the oblique foveae over the 

 antennae, the frontal furrow, and the top and sides of the 

 clypeus, black ; the mandibular teeth are piceous. Thorax 

 yellow; a large mark on the middle lobe of the mesonotum 

 rounded behind, the greater part of the lateral lobes, a 

 large, somewhat pyriform, mark on the scutellum, a line 

 on the apex of the scutellum extending to the wings, the 

 apex of the postscutellum, the base of the median seg- 

 ment continued shortly outwardly inside the spiracles, a 

 broad line narrowed in the middle on the propleurae, the 

 base and apex of the mesopleurae in the middle, the middle 

 furrow, the base of the metapleurae, an oblique line in the 

 middle, and the mesosternum, black. The front femora 

 are in the middle, the four posterior more broadly, dark 

 fuscous ; the base of the coxae and of the trochanters are 

 black ; the calcaria are minute, sharp ; the tarsi are stout ; 

 the metatarsus not quite so long as the succeeding joints 

 united; the middle joints sharply project at the apex. 

 Abdomen smooth and shining ; the base of the first seg- 

 ment black, the black produced at the sides and triangu- 

 larly in the middle ; the ventral segments are black at the 

 base and apex. 



