Manchester Memoirs, Vol. xliii. (1899), No. 3. 143 



orbits sharply project ; and are marked above with stout, 

 obHque keels. Thorax black ; the tegulse, tubercles and a 

 line on the apex of the mesopleurae, yellow. Mesonotum 

 strongly and closely punctured, as is also the scutellum, 

 which is yellow, black at the base, and thickly covered 

 with fuscous hair. Postscutellum almost impunctate and 

 glabrous, yellow. Median segment above reticulated, at 

 the apex, in the middle, the reticulations are wider ; at the 

 sides closer. Propleurae plumbeous, smooth and shining ; 

 the lower part yellow, broad at the base, narrowed at the 

 apex. Mesopleurae shagreened ; closely and finely punc- 

 tured at the base of the tubercles ; the metapleurae closely 

 reticulated and thickly covered with long, white hair. 

 Mesosternum impunctate, furrowed down the middle. 

 The four anterior legs yellow; the coxae lined behind with 

 black ; the four apical joints of the front and the whole of 

 the middle tarsi, black ; the hinder coxae are broadly black 

 above; the apical joint of the hinder trochanters, the apex 

 of the femora, which are fulvous, the hinder tibiae black, 

 with a narrow white band near the base and the apical 

 third, white; the hinder tarsi white, except the apical two 

 joints which are black. Wings hyaline, irridescent ; the 

 stigma and the apical nervures fuscous, the costa and the 

 basal nervures black; the areolet small, oblique, shortly 

 appendiculate ; the recurrent nervure is received in its 

 apical third. Abdomen black ; the base of the petiole, its 

 apex more narrowly and the apices of the other segments, 

 yellow ; the petiole smooth, obscurely shagreened in the 

 middle ; the second and third segments closely and dis- 

 tinctly punctured, the others impunctate; the gastrocoeli 

 shallow, indistinct, finely and closely punctured. The 

 base and apex of the petiole beneath yellow ; the sides at 

 the apex depressed ; at the base in the centre is a stout 

 tooth, which is rounded in the middle. 



