FOSSORIAL WASPS. 627 



/ 92. PisoN MOROsus Sm. 



Pison morosus Sm. Oat. Hym. B. M. iv. p. 317 (1856), $ 

 (nee Smith, 1864). 



Much larger than tuhercidatths, and has no tubercles on the 

 ventral segments of the male. It appears to be the commoner 

 of the two indigenous species in New Zealand ; the third species, 

 P. spinolm, being a comparatively recent importation. 



Hah. New Zealand. 



•^ 93. Pison tahitense Sauss. 



Pison tahitense Sauss. Reise d. Novara, Zool. ii., Hymen, p. 65 

 (1867), $ S. 



Allied to P. hospes, but has the eyes nearer together both on 

 the vertex and the clypeus, and the clypeus of the male more 

 strongly produced. 



Hah. Tahiti ; Samoa ; Rarotonga. 



(/ *94. Pison collarb Kohl. 



Pison collare Kohl, Vei-h. zool.-bot. Ges. "Wien, xxxiii. p. 337 

 (1883), $. 



The clypeus of the female is produced into an acute spine ; 

 the front coarsely punctured ; the median segment shining and 

 sparsely punctured, with a few transverse strise near the apex of 

 the posterior slope. 



Hah. Duke of York Island, New Britain. 



V 



95. Pison nitidus Sm. 



Pison nitidus Sm. Journ, Linn. Soc, Zool. iii. p. 160 (1858), 



?. 

 Nearest to scahrum Turn. 

 Hah. Aru ( Wallace) ; Ke ( Wallace), 



96. Pison constrictum Turn, 



Pison morostis Sm. Journ, Linn. Soc, Zool, viii. p. 85 (1864), $ 

 (nee Sm,, 1856). 



Pisum constrictum Turn. Ann. & Mag. Nat. Hist. (8) ix, 

 p. 201 (1912), S. 



These are almost certainly sexes of one species. It is nearest 

 to the Queensland species, P. ■punctiilatum Kohl. 



Hah. New Guinea (ITWkoe) ; Mysol (ITa^Zace), Mimika River, 

 New Guinea {Wollastan). 



i/ 97. Pison rechingeri Kohl. 



Pison rechingeri. Kohl, Denkschr. Akad. Wiss. Wien, Ixxxi. 

 p. 309 (1908), $ S- 



Differs from hos'pes and constrictum in the sculpture of the 

 median segment and the better-defined frontal sulcus. 



Hah. Upolu, Samoa [Bechinger) ; Tonga {ex coll. F, Smith). 



