Manchester Memoirs^ Vol. xliii. (1899), ^0. 3. 197 



not deeply punctured, the middle of the lateral lobes 

 and the apex in the middle almost smooth. Scutel- 

 lum more strongly punctured than the mesonotum ; 

 the punctures larger and deeper. The base of the 

 postscutellum deeply depressed, the depression divided 

 in two by a narrow keel; the apex white, smooth, 

 slightly and narrowly depressed in the middle. The base 

 of the median segment smooth; the middle area almost 

 square; the central space at the apex with a few stout 

 transverse keels at the sides ; the base of this part is trans- 

 verse, its sides oblique; the part in front of the spiracles 

 stoutly irregularly keeled ; this space being divided into 

 two by a stout, oblique keel. The top and base of the 

 propleurse closely, and not very strongly, punctured ; the 

 middle stoutly transversely below and obliquely striated 

 above; the part behind the striated part at top being 

 smooth. Mesopleurae closely punctured; more closely 

 and finely above than below ; the middle smooth and 

 plumbeous. Metapleurse closely and coarsely punctured, 

 the lower and posterior portions with the punctures 

 running into reticulations. Wings almost hyaline, a cloud 

 running from the stigma to the costal nervure and the 

 apex fuscous ; the recurrent nervure is received shortly 

 behind the transverse cubital. The four anterior legs 

 are yellowish, the femora having a more fulvous hue ; the 

 hind coxae, except for an elongated white mark on the 

 apex behind, the apical joint of the trochanters, the base 

 of the femora narrowly, the apex broadly, and the apex of 

 the tibiae, black ; the femora distinctly fulvous ; the tibiae 

 fulvous towards the apex. Abdomen with a plumbeous 

 hue; all the segments whitish yellow at the apex; the 

 petiole more broadly than the others; the petiole longish; 

 the basal half distinctly narrowed ; the base on the under 

 side with a distinct, sharp, slightly curved tooth. The 

 M 



