5-12 MR. R. E. TURNER ON [May 12; 



the base than long, the sides steeply sloped, truncate posteriorly, 

 obliquely striated, with a longitudinal median carina : the face 

 of the truncation rather coarsely transversely striated, with a 

 median sulcus, the sides of the segment raised, forming carinse, a 

 little white pubescence at the apex. Abdomen ovate, closely and 

 minutely punctured, the second segment transversely depressed 

 at the base ; the apical margin of all the segments feebly depressed, 

 most broadly in the middle, with interrupted bands of silvery 

 pubescence. 



Black : the spines of the tibiae testaceous ; tegulse fuscous. 

 Wings hyaline, faintly clouded at the apex, nervures black. 



First recurrent nervure received near the apex of the first 

 cubital cell, second at the middle of the second cubital cell. 

 The second cubital cell reaches more than halfway from the 

 cubital to the radial nervure ; the third is extremely short on the 

 radial nervure. 



S . Similar in all respects to the female. 

 Length, $ 9 mm., J 7 mm. ; exp., § 14 mm., J 12 mm. 

 Rab. Mackay and Cairns, Queensland {Turner) ; March. Also 

 from Melboui-ne. 



Near P. westtvoodi Shuck, from Tasmania, but differs in the 

 presence of a carina on the median segment and in the position 

 of the recurrent nervures. I have not seen the type of F. west- 

 woodi, nor any specimen quite answering to the description. 

 The present species is also near P. iridi2)ennis Sm. from Hawaii, 

 but the antennae are longer and the eyes further apart on the 

 vertex, the clypeus is also diflerent. P. 2}(tUidi2xdpe 8m., from 

 Ceram, is a larger species, and has the clypeus very different. 



PiSON IRIDIPBNNE Sm. 



Described by Smith from Honolulu. 

 Hab. Mackay and Cairns, Queensland [Turner). 

 In the female the posterior ocelli almost touch the eyes, which 

 are very close together on the vertex. 



PiSON PUNCTULATUM Kohl. 



Pison puncUdatimi Kohl, Verb, zool.-bot. Ges. Wien, xxxiii. 

 p. 336, 1883, nee Cameron. 



Hab. Peak Downs, Queensland {Kohl) ; Mackay, Queensland 

 {Turner). 



Pison auriventre, sp. n. 



2 . Clypeus very short, at least thi-ee times as broad as long, 

 convex, clothed with golden pubescence, changing to silver at the 

 angles. Antennae nearer to the eyes than to each other ; the 

 second joint of the flagellum scarcely longer than the third, about 

 twice as long as the first. Eyes shall owly and rather broadly 

 emarginate, the depth of the emargination about equal to the 

 length of the first joint of the flagellum ; about half as far again 

 from each other at the base of the ma,ndibles as on the vertex. 



