288 HYMENOPTERA ACULEATA. 



flavous in botli sexes, face below the antennse in tlie $ 

 densely clothed with silvery hairs, antenntB fulvous, the 

 scape in front flavous in the i, black along the back as far 

 as the sixth joint in that sex, in the ? entirely fulvous 

 slightly darker towards the apex ; thorax with the tegulce 

 margined with yellow in the $ , almost entirely yellow in 

 the ? , wings with piceous nervures, scutellum either spot- 

 less or with two small yellow spots in the S , with two large 

 spots in the ? ; abdomen finely punctured, its first three 

 segments each with a large yellow lateral spot, the next 

 three with an entire yellow band, apical dorsal valve of the 

 $ nearly entire ; segments beneath more or less banded with 

 yellow, fringed in the $ with golden hairs at the apex, 

 sixth densely clothed with golden hairs at the apex, seventh 

 narrowly rounded, eighth with a long apical process, 

 strongly curved and fringed along the sides with fine long 

 hairs with a few more spinose ones near the apex, fifth in the 

 ? with a tuft of golden hairs on each side, sixth smooth and 

 truncate, with several curved spines on each side, armature of 

 the $ with the stipites bearing a dense apical tuft of hairs ; 

 leo-s in the $ yellow, posterior and intermediate femora 

 black beneath, in the ? fulvous, femora black at the base. 



L. 13-15 mm. 



Parasitic on Eucera, and not rare where that bee occurs. 

 It is found in May and June. Chobham ; Woking ; 

 Hastings, one ? in August, 1879 ; Highgate ; Southgatej 

 Southend ; (Smii/i). Norwich; (J5;-f(?(/ma?i). New Forest; 

 (Dale). Gloucestershire; {PerJcins). Sale; Bollin Valley, 

 Lancashire; {Hardy). 



N. SUCCincta, Panz. [Goodeniana, Kirbij). — Black, 

 head and thorax closely and rugosely punctured, clothed 

 with greyish browu hairs, which are more abundant in the 

 (J especially on the face and beneath, sides of the face 

 below the antennfe yellow in both sexes, mandibles, except 

 their piceous apices and labrum, yellow in the S, ferrugi- 

 nous in the ? , clypeus except at the base yellow in the 



