98 HYMENOPTERA 



submarginal cells three, tLe first equal to the two following in 

 length; the second equally narrowed on each side towards the marginal, 

 receiving the first recurrent nervure in the middle ; the third suh- 

 marginal cell narrowed about one-third towards the marginal ; the 

 apical transverse nervure curved outwardly. 

 New Zealand only. 



D. HiRTiPES, Smith, Trans. Ent. Soc, 1878, ]). 7. 



Female. Black ; the pubescence fulvous. The front with long 

 dark pubescence, that on the cheeks pale fiilvous. The mesothorax 

 shining, thinly pubescent, and not very closely punctured ; the pubes- 

 cence more dense on the scutellum and metathorax ; the wings hyaline 

 and iridescent. The legs with fulvous pubescence ; the posterior tibiae 

 with a dense scopa, and also a floccus on the trochanters ; the apical 

 joints of the tarsi rufo-testaceous. Abdomen shining and impunctate; 

 the apical margins of the segments slightly testaceous ; the fifth 

 segment with a fimbria of bright fulvous pubescence ; the apical 

 segment with an opaque naked space, the sides pubescent. 



Length, 5 lines. 



Dunedin. 



D. METALLicus. Smith, Cat. Hymen. Brit. Mus., Pt. 1., p. 15 (1853). 



Female. Black ; the face thickly clothed with ochraceous pubes- 

 cence, that on the vertex fuscous ; antennae testaceous beneath ; the 

 disc of the thorax shining, sparingly punctured, and thinly clothed 

 with ochraceous j)ubescence, which is more dense on the sides, meta- 

 thorax, and beneath ; the pubescence beautifully plumose viewed under 

 a moderate magnifying power ; the legs very pubescent ; the scopa on 

 the posterior tibite pale fulvous ; wings hyaline. Abdomen metallic- 

 green, the margins of the segments testaceous, covered with a thin, 

 short, ochraceous pubescence, most dense on the sides and at the 

 apex; beneath, the segments have a marginal fringe of long, pale, 

 fulvous pubescence. 



Length, 5 lines. 



The Male closely resembles the female, but is rather smaller. 



D. PURPUREUs. Smith, Cat. Hymen. Brit. Mus., Pt. 1., p. 15 (1853). 



Male. Dark purple ; the face clothed with griseous pubescence, 

 the vertex with fuscous ; on the thorax above it is also fuscous, but 

 at the sides and on the legs it is griseous ; the legs dark f usco-ferru- 

 ginous, the apical joints of the tarsi ferruginous ; on the metathorax, 

 beneath the post-scutellum is an enclosed smooth shining space; 



