200 Mr. 11. E. Turner on Fossorial Hymenoptera. 



bined. Head, pronotum, mesopleurge, and median segment 

 covered with very short pale fulvous pubescence. Median 

 segment a little longer than the breadth at the base, narrowed 

 posteriorly, more opaque than the mesonotum, the posterior 

 slope with a median sulcus. Abdomen sraootii and shining ; 

 the basal segment scarcely as long as the second, subpetiolate, 

 gradually widened from the base. Fifth dorsal segment and 

 pygidial area finely and sparsely punctured. Third abscissa 

 of the radius as long as the second, first recurrent nervure 

 received close to the base of the second cubital cell, almost 

 interstitial with the first transverse cubital nervure, second 

 received beyond one-third from the base of the second 

 cubital cell. The fuscous band ia broad, commencing at the 

 middle of the stigma and reaching to the apex of the radial 

 cell, and is of about the same breadth throughout. Hind 

 femora without a tubercle. Tibiffi with a i&w very slender 

 spines ; basal joint of anterior tarsi with four very weak 

 spines. 



Hah. Mimika River; July 1910, 1 ? . 



There is no iridescence on the wings except at the extreme 

 apex. 



Nearly allied to intaminata, Turn., from Queensland, but 

 differs in the colour of the fore legs and in the shape of the 

 cubital cells. 



18. Pison impuyictatuniy sp. n. 



5 . Nigra, impnnctata, subopaca ; alls hyaliuis, iridescentibus, apice 



Icviter obscuratis, segmento mediano carina longitudinali. 

 Long. 6 mm. 



? . Smooth and subopaque, the abdomen shining. Clypeus 

 broadly rounded at the apex and covered with white pubes- 

 cence. Eyes separated on the vortex by a distance scarcely 

 exceeding the length of the second joint of the flagellum, 

 about twice as far apart on the clj-peus. Posterior ocelli 

 touching the eyes, much nearer to each other than to the 

 anterior ocellus. Front slightly convex, longitudinally 

 depressed in the middle ; the emargination of the eyes deep 

 and triangular. Second and third joints of the flagellum of 

 about equal length. Pionotum not very steeply sloped in 

 front, the posterior margin almost transverse and level with 

 the mesonotum. Median segment with a longitudinal sulcus 

 from the base not quite reaching the apex, with a carina in 

 the sulcus, the posterior truncation of the segment with a 

 deep fovea at the base and a few short transverse stride. 

 Abdominal segments with a rather faint apical band of white 



