62 HYMENOPTERA ACULEATA. 



the third red, pronotum with its posterior margin sharply 

 emargiuato, wings witli a broad fuscous apical band, third 

 subraarginal cell ti'iangular. 



^ with the posterior tibiae sinuate on the side towards 

 the body, and incrassated at the apex ; apical dorsal valvo 

 of the abdomen slightly concave, apical ventral valve 

 broad, flat, and shortly hairy, widely rounded at the apex, 

 sixth segment impressed at the apex. 



? with the anterior tarsi simply spined, not pectinate, face 

 between the eyes considerably longer than wide. 



L. 8-9 mm. 



Chobham ; Woking ; and probably elsewhere, but over- 

 looked. 



P. spissus, Schiudte. — Like the other red-bodiod 

 species in colour. 



cj with a well-defined apical band on the anterior wings, 

 third submarginal cell subquadrate ; abdomen slightly 

 wider and more ovate than in the other species, apical 

 dorsal valve flat, apical ventral valve much compressed 

 laterally, carinated and pointed at the apex, which is very 

 bristly, very convex longitudinally, much resembling that of 

 P. niger, sixth ventral plate squarely notched at the apex. 



? with the anterior tarsi as in minutulus, i.e. not pectinate, 

 third submarginal cell subquadrate ; face between the 

 eyes almost as wide as long ; apical dorsal valvo finely 

 pilose. 



L. (J 8 mm., ? 9-10 mm. 



Widely distributed but more common in the West and 

 North. Woking. Colchester; [Uarwood). Gloucestershire; 

 {V. B. Perkins). Glanvilles Wootton, Dorset; (Dalr). 

 Bristol ; Yorkshire ; {Smith). Oxford; (R. C. L. Perkinx). 

 Boxley, near Maidstone ; (Frishi/). Salcombe ; {Marshall) . 



P, chalybeatus, Schiod/e (^J scrkaius, Shuck., pecli- 

 nipcs,^ Smitli). — Like the other red bodied species in colour 

 but distinguishable from them in both sexes by having the 

 posterior margin of the pronotum less sharply angulated, 



