Manchester Memoirs, Vol. xlin. {iZgg), No.^. 147 



transversely striated. The oral region is ferruginous, 

 the mandibles deep black ; the palpi yellow ; the face 

 punctured ; the clypeus smooth. Mesonotum dark 

 brownish with two yellowish, longitudinal stripes ; the 

 scutellar depression and a somewhat triangular depression 

 in front of it black. The scutellum, scutellar keels, and 

 postscutellum lemon -yellow, the scutellum rather strongly 

 punctured, thickly covered with long, white hair ; the 

 postscutellum smooth, glabrous; the apex of the scutellum 

 brownish. The base and apex of the median segment 

 and the spiracular region black, smooth and shining, 

 sparsely covered with fuscous hair ; in the middle at the 

 base, is a depression longer than broad, which becomes 

 narrower and shallower towards the apex. Pleurae smooth 

 and shining, covered with long, white hair ; the upper half 

 of the propleurae lemon-yellow ; the lower black, except 

 on the lower edge, where it is yellowish testaceous. Meso- 

 pleurae black ; the tubercles and a large mark below 

 them yellow ; the lower edge rufous, the rufous band 

 wider at the apex, where it is continued obliquely upwards 

 to the middle. Metapleurae yellowish, black round the 

 base, the lower side, the apex and at the spiracles. Meso- 

 sternum rufous, black at the oblique base ; strongly 

 punctured, thickly covered with fuscous hair ; the middle 

 furrow transversely striated. The front legs fulvous ; the 

 coxae and trochanters yellowish ; the middle legs similarly 

 coloured, except that the tarsi are blackish ; the hinder legs 

 rufous, their coxae yellow, broadly marked with black inside 

 and out ; the basal joint of the trochanters yellow ; the tibiae 

 and tarsi blackish, thickly covered with short, pale hair. 

 Wings clear hyaline, the stigma testaceous, the nervures 

 darker ; the pedicle of the areolet is half the length of the 

 basal abscissa of the cubital nervure, which is straight ; 

 the apical one is curved. Abdomen black ; the base of 



