284 HYMENOPTERA ACULEATA. 



clypeus and mandiblea flavous; ?, 

 antennas entirely pale .... flavoguttata. 

 (37) 42. Very small species, labrum pale or spotted 



with darker colour .... furva. 



N. obtusifrons, Nijl. — [miatura, Smith; xanfhostlcta, 

 Smith ,2nd eel., ncc Int.). Small, bead and thorax closelypuuc- 

 tured, clothed with ochreous hairs in the c? , almost glabrous 

 in the ? , black, base of the mandibles, a spot on each side of 

 the clypeus, and the extreme apex of each cheek, flavous in 

 the c?, testaceous in the ?, labrum black, face between the 

 antennee with a broad blunt tubercle, not sharply carinated 

 as in the other species, antennte dark piceous, paler beneath, 

 third joint longer than the fourth in the (J, subcqual to it 

 in the $ ; prothoracic tubercles flavous in the cJ , testaceous 

 in the ? ; mesonotum with the tegulse piceous, wings 

 slightly dusky, nervuros dark piceous, scutellum unspotted, 

 propodeum rather shining, its basal area glabrous ; abdo- 

 men ferruginous, finely punctured, and clothed with short 

 pale hairs, the base of the first three segments moi-e or 

 less widely black in the c?, the second and third with a pale 

 cream coloured spot on each side in both sexes, the fifth in 

 the S sometimes, and the fourth rarely, with a pale trans- 

 verse line, fifth in the ? with a pale quadrate spot, the pale 

 markings are frequently obsolete, apical fringe of the ? 

 silvery, beneath ferruginous more or less spotted with 

 flavous in the cjj sixth ventral segment less densely haiiy 

 than in most of the species ; apices of the stipites ending 

 in a long blunt process, and clothed with fine, not very 

 long hairs ; legs ferruginous, femora, except at the apex, 

 and a cloud across the tibiaj dark piceous, more uniform in 

 colour and often paler in the ? . 



L. 6 mm. 



Very rare. Norwich ; (Bridgman) ; Ilfracombe ; Yarm, 

 Yorkshire; {SmitJi). Colchester ; (Harwood). Bickleigh, 

 Devon; {Bignell). Sidmouth ; (B.C. L. Perlxins). Laud's 

 End; [Mcu-quand). Northumberland; [Bold). Rugby; 

 (Morice). Perth; {McGregor). Ireland; {llaliday). 



