HYMENOPTERA. 15 



scarcely longer than the labium, broad and rounded at their 

 apex ; the labial palpi four-jointed, each joint slightly narrower. 

 Maxillary palpi six-jointed, the two basal ones of equal length ; 

 the third, two-thirds of the length of the second, the three 

 apical ones being of about equal length, each gradually nar- 

 rower than the preceding joint, apical joint filiform. Thorax 

 ovate, the superior wings having one elongate marginal cell 

 rounded at its extremity and emitting a short appendicular ner- 

 vure ; submarginal cells three, the first equal to the two follow- 

 ing in length, the second equally narrowed on each side towards 

 the marginal, receiving the first recurrent nervure in the middle ; 

 the third submarginal cell narrowed about one-third towards 

 the marginal, the apical transverse nervure curved outwardly. 

 (Plate I. Details.) 



1. DASYCOLLETES METALLICUS, n. s. B.M. 



Female. Length 5 lines. Black, the face thickly clothed with 

 ochraceous pubescence, that on the vertex is fuscous ; the an- 

 tennae testaceous beneath, the disk of the thorax shining, spa- 

 ringly punctured, and thinly clothed with ochraceous pubescence, 

 which is more dense on the sides, metathorax, and beneath ; the 

 pubescence beautifully plumose viewed under a moderate mag- 

 nifying power ; the legs very pubescent ; the scopa on the pos- 

 terior tibiae pale fulvous ; the 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. 



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

 Hab. New Zealand, 



2. DASYCOLLETES PURPUREUS, n. s. B.M. 



Male. Length 3 lines. 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 fusco-ferruginous, the apical joints of the 

 tarsi ferruginous ; on the metathorax, beneath the post-scutellum 

 is an enclosed smooth shining space ; the wings hyaline, beau- 

 tifully iridescent, their nervures and tegulae fusco-ferruginous. 

 Abdomen shining, and having a little fuscous pubescence at the 

 apex ; beneath slightly piceous. 



Hab. New Zealand. 



