54 Mr. R. E. Turner on Fossorial Ilymenoplera. 



flagellum ; the front without tubercles above the base of the 

 scape. Pronotura broadly arched posteriorly, without an 

 angle in the middle. Median segment a little longer than 

 the breadth at the base, a little narrowed towards the apex, 

 convex, the median sulcus obsolete at the base, faintly 

 indicated towards the apex. First abdominal segment 

 gradually widened from the base, without a distinct petiole, 

 no longer than the second. Second abscissa of the radius 

 shorter than the third, first transverse cubital strongly 

 oblique, second straight, third curved outward in the middle 

 and as long as the third abscissa of the radius. First re- 

 current nervure received before the middle of the second 

 cubital cell, second beyond the middle of the third cubital 

 cell. Submedian cell a little longer than the median ; 

 cubitus of the hind wing originating far beyond the trans- 

 verse median nervure. Cubitus of the fore wing reaching 

 about halfway from the third cubital cell to the margin of 

 the wing. The fuscous band along the basal nervure is 

 regular but not broad ; the second fuscous band is of almost 

 even breadth, extending from the base of the stigma to the 

 apex of the radial cell and reaching the lower margin of the 

 wing. The whole insect is subopaque and glossed with dull 

 bluish green. 



Hab. Kuranda, Queensland (Turne?^) ; November. 



Allied to P. una, Turn. 



Family Crabronidae. 



Subfamily Peiipbsedonin^. 



Psenulus (?) scutellatus, sp. n. 



5 . Nigra, nitida ; mandibulis basi, scapo, seutello fascia apicali, 

 postscutello, pedibus anticis et intermediis, tibiisque posticis 

 basi flavis ; tegulis fusco-testaceis ; alis hyalinis, venis nigris. 



Long. 8 mm. 



Clypeus covered with shining white pubescence, the apex 

 almost truncate. An elevated carina between the antennae, 

 joining a low arched carina below the base of the antennae ; 

 a distinct groove reaching from the anterior ocellus to the 

 base of the interantennal carina. Flagellum thickened 

 gradually towards the apex, the second joint as long as the 

 first and third combined. Posterior ocelli a little further 

 from the eyes than from each other. Pronotum distinctly 

 raised ; the mesonotum very minutely punctured ; a trans- 

 verse, deeply punctured groove at the base of the scutellum. 

 Median segment finely punctured and pubescent on the 



