Manchester Memoirs, Vol. xliv. (1900), ^V^. 15. 105 



flavo-testaccis, posticis riifts ; coxis, apicc tibianiin posticariini 

 tarsisqitc posticis iiigris ; alis hyaiiiiis, ncrvis stiginateque 

 nigris. $ . 



Long 12 mm. 



Scape of anteniKTj yellowish rufous, thickly covered 

 with black hair ; the flagellum rufous, darker above, espe- 

 cially towards the apex. Head black ; the face, clypeus, 

 base of the mandibles and palpi, yellow ; the face darker 

 in the centre ; closely and strongly punctured, covered 

 thickly with short fuscous hair; the clypeus with the hair 

 longer and paler ; its ape.x smooth, impunctate ; the base 

 with punctures, which are larger, deeper, and more widely 

 separated than those on the face. Mandibles strongly punc- 

 tured at the base, and thickly covered there with long white 

 hair; the palpi thickly covered with white pubescence. 

 The thorax black ; thickly covered with short white 

 pubescence; thetegula^and the base of the scutellumyellow. 

 Mesonotum closely punctured; the middle at the base 

 slightly raised ; the scutcllum with the punctures more 

 widely separated at the base ; the post-scutellum finely 

 punctured, the base forming a semicircular depression ; 

 the sides at the apex are bordered by a distinct keel. The 

 median segment has a gradually rounded slope ; is 

 closely and strongly punctured and covered with long 

 white hair ; there are no area; ; in the centre at the base 

 are two stout, slightly converging keels ; there is a distinct 

 curved keel outside the spiracles. The four anterior legs 

 are pale fulvous, the coxa; and trochanters pallid yellow ; 

 the hinder coxa; are black, except at the extreme apex 

 and in the middle beneath ; the trochanters are yellow, 

 tinged with rufous ; the femora and tibicC rufous ; the apex of 

 the tibue and the tarsi black ; the spurs testaceous. Wings 

 clear hyaline ; the areolet triangular ; the nervures uniting 

 at the top ; the first straight, oblique ; the second curved ; 



