1 62 HYMENOPTERA ACULEATA. 



the anteriorly yellow intermediate and posterior coxeb of 

 the $, by the laterally produced anterior angles of the 

 pronotum, the larger, squarer vertex of the head, and the 

 linear second abdominal band of both sexes, and by the 

 deeply emarginate clypeus, more truncate pronotum and 

 densely punctured second ventral segment of the 5 . 

 The pronotum in both sexes bears a narrow pale line 

 anteriorly, which extends almost, or quite, to the lateral 

 angles. 



L. 10 mm. 



Rare ; nests in bramble stems, lining its burrows with 

 a coating of fine sand. Hampstead ; Bristol ; {Smith). 

 Hollington, near Hastings. 



0. reniformis, Gmel. — Black, head and thorax rugosely 

 punctured and clothed with short pale hairs ; clypeus 

 deeply emarginate and entirely yellow in the ^ , slightly 

 emarginate in the ?, with a broad transverse yellow band 

 at the base, both sexes with the scape of the antennse in 

 front, and a transverse spot on the face, just above their 

 insertion yellow, <$ with the flagellum beneath also pale, 

 as well as the extreme apices of its sixth and following 

 joints ; pronotum anteriorly with a yellow band, its 

 anterior angles scarcely indicated, tegulse, except a small 

 brown spot on their external margin, a spot on the meso- 

 pleurae, sometimes scarcely visible in the ^ , and a broad 

 band on the postscutellum in both sexes, and on the 

 scutellum in the $ yellow, the scutellar band in the c? 

 only faintly indicated, a spot on each side of the 

 propodeum also yellow, wings with the costal nervure 

 reddish testaceous, and the median and posterior nervures 

 near their base of the same colour, costal nervure with a 

 very small yellow basal spot ; abdomen with the basal 

 segment rugosely and somewhat largely punctured, the 

 rest more finely so, each with a rather wide apical yellow 

 band, especially in the ? , that of the first and second 

 widely dilated at the sides, of the others only slightly so ; 



