300 HVMENOPTERA ACULEATA. 



collar in tlio ? ferruginous, wings with a dark apical bonier ; 

 abdomen finely punctured, ferruginous, extreme base black, 

 and with a black lateral spot at the base of the second and 

 third segments, and a black line along the base of the others, 

 the colour sometimes spreading ou to the preceding seg- 

 ment ; these black markings are sometimes wanting on one 

 or more of the segments ; beneath punctured, base of each 

 segment black in the middle, apical margins fringed 

 laterally with white hairs, eighth segment in the $ with 

 the central process short, much dilated apically and armed 

 at each side with two strong reflexed spines, the sides of the 

 process fringed with hairs, legs ferruginous, femora at the 

 base, especially beneath, black, posterior pair densely 

 hairy beneath, tibias with a black spot near the apex, 

 posterior metatarsi black. 



L. 7-8 mm. 



Parasitic on A. fulvescens and appears in July and August, 

 not common, but has occurred at Chobham ; Woking ; Ilfra- 

 combe ; Bournemouth ; Hawley, Hants ; Deal ; Arundel ; 

 Eedhill, Surrey; Salcombe ; {Smith). Exeter j {Parfitt). 

 Land's End ; {Marquand) . Oxford ; {R. C. L. Perhivs) . 

 Stretford and Bowdon ; Lancashire ; {J. R. Hardy'). Maid- 

 stone ; (Frltibi/). Yorkshire. 



N. Fabriciana, Linn. (FabricieUa, Kirhi/, 'i-notata, 

 Kirhij). — Head and thorax entirely deep black, clothed with 

 greyish hairs, except the cheeks between the eyes and 

 mandibles, which are flavoiis in the c?, and the face below 

 the antennse which is clothed with silvery hairs in that sex, 

 antennae with only the flagellum piceous beneath in the c?, 

 in the ? the scape is black, the third joint is ferruginous 

 beneath, black above, third to the sixth are entirely ferru- 

 ginous, the seventh to the eleventh are black, the apical 

 joint ferruginous ; thorax with the tegulae testaceous in the 

 ? , wings clouded, with a distinct apical band, propodeum 

 with the basal area finely rugose ; abdomen ferruginous, 

 i!s extreme base black, second and third segments often 



