6o HYMENOPTERA ACULEATA. 



Bristol; New Forest; (Dii(i'). Exeter; Prawle Point; 

 (Parjilt). 



P. plumbeus, Fair, {pulcher, Shuck). — cj black, densely 

 clothed, except on the antennae and at the extreme base 

 of the abdominal segments, with silvery grey decumbent 

 pubescence, which gives it an ashy grey or glaucous appear- 

 ance ; pronotum angularly emarginate posteriorly, wings 

 hyaline, front pair with a dark apical band ; abdomen 

 beneath with the apex only of the segments grey, sixth 

 very deeply incised at the apex. 



? black, wider than the jj, clothed less densely with 

 finer grey hairs, which give a grey tint only to the face, 

 thorax beneath, the apices of the abdominal segments, and 

 the legs, anterior tarsi very strongly pectinated. 



L. (J 5-7 mm., ? 6-9 ram. 



Common on most sandy coasts, from June to August, 

 occurs also occasionally inland. 



P. niger, Fab. (var. approximatus, 8m., melanariiis, 

 Bold). — Entirely black, wings dusky, with a darker apical 

 band, third submarginal cell soinetiraes petiolated ; head and 

 thorax with a few scattered long hairs, pronotum angularly 

 emarginate posteriorly ; abdomen with the second, third 

 and fourth segments clothed at the ba^e with fine grey 

 pubescence ; apical ventral valve in the S compressed, cari- 

 nated and densely hairy, apical dorsal valve in the ? clothed 

 with stiff bristle-like hairs, anterior tarsi in the ? without 

 long serial spines. 



Var. appro'ximafus, Sm., has the third submarginal cell 

 subquadrate. 



L. S 5-7 mm., $ 10-12 mm. 



I have taken a J" of this species as early as June, and a ? 

 as late as October. It is generally distributed, but com- 

 moner in the west. 



Smith says it provisions its nest with green larva3. 



V. R. Perkins says that near Wotton it preys on a large 

 soft brown wood spider. 



P. viaticus, Linn, (fuscus, Sm.).— S head and thorax 



