106 Mr. R. E. Tuinor on Fossoriul Ifi/menoptera, 



tlie base of the clypeus ; cheeks very broad, much broader 

 than the eyes ; first abdominal segment a little lotiger than 

 the greatest breadth ; pygidial area rufinK)se, elonoate-ovate, 

 r;«ther narrowly truncate at the apex ; second ventral segment 

 aluK^st sniootli, the other ventral segments sparsely and 

 shalloMly punctured. 



Ilab. S. Queensland, Darra near Brisbane {Hacker) ; De- 

 cember. 



Not very near to any other Australian species. 



Subfamily Ntssoninm. 

 Nysaon (^Acanthostethus) hrisbanensis, Turn. 



Ni/sson (Acatitfiostetkus) brisbanensis,Tuin. Aun. & Mag, Nat. Hist. (8) 

 "xv. p. 81 (1915). 2 • 



J . The male has the ventral segments bare, without a 

 fringe of hairs ; ventral segments 3-6 with a suiall but 

 distinct spine on each side at the apical angles; seventh 

 dorsal segment widely and rather shallowly emarginate at 

 the apex, the angles produced into short blunt spines. 



JJ<ib. Bri.sbane (^Hacker) ; February. 



Differs from nudiventrisy Turn., to which species the female 

 is most nearly allied, in the shape of the seventh dorsal seg- 

 ment, which only has two spines (one at each apical angle), 

 also in the presence of a short spine at the apical angles of 

 the sixth ventral segment. Tlie only specimen sent is very 

 small, measuring only 4 mm. in length. 



S u b fa m i ly Crabronin^. 

 Kiicopognathus broivnei, sp. n. 



9 . Nigra, ubiquc dense rugose punctata ; scapo, callis humerali- 

 bus, postscuteJlo, femoribus apice extremo, tibiis tarsisque pallida 

 flavis ; tibiis intermediis posticisque infra fuscis ; alis hyalinis, 

 iridescentibus, venis fuscis, stigmata testacao. 



Long. 5 mm. 



? . Mandibles excised on the outer margin, acute at the 

 apex. Clypeus subcarinate longitudinally, produced into 

 two porrect teeth at the apex, with a smaller tooth on each 

 side near the apical angles. Eyes not hairy, the facets in 

 front larger than elsewhere, sejjarated from each other at the 

 base of the clypeus by a distance equal to about half the 

 length of the scape ; frontal groove smooth and shining. 

 Posterior ocelli a littlo nearer to the eyes than to each other, 

 the ocellar region and the vertex coarsely punctured-rugose, 



