558 Mr. K. E. Turner on Fossorial Hymenoptera. 



3. Second recurrent nervure received by the 

 second cubital cell ; posterior ocelli sepa- 

 rated from the eyes by a distance equal to 

 less than half their diameter. Length 



under 9 mm P. westtooodi, Shuck. 



Second recurrent nervure received by the third 

 cubital cell or interstitial with the second 

 transverse cubital nervure ; posterior ocelli 

 separated from the eyes by a distance 

 fully equal to three-quarters of their dia- 

 meter. Length about 14 mm P. spinoke, Shuck. 



Pison 'intfipes, Shuck. 



Pison (Pisonites) rujipes, Shuck. Trans. Ent. Soc. London, ii. p. 79 

 (1837). $. 



Hah. Eaglehawk Neck ; February. Mt. Wellington, 

 2200 ft. ; January. 



This species is also common throughout the southern 

 portion of Australia. 



Pison spinoke, Shuck. 



Pison spinol(e, Shuck. Trans. Ent. Soc. London, ii. p. 70 (1837). $. 

 Pison australis, Sauss. Mem. soc. phys. & hist. nat. Geneve, xiv. p. 11 



(1853). 

 Pison tasmanicus, Sm. Cat. Hym. B.M. iv. p. 316 (1856). 



Hah. Eaglehawk Neck ; February. 



Also tlirougiiout S.E. Australia, as tar north as Toowoomba. 



Pison icestwoodi, Shuck. 

 Pisoti xcesUcoodi, Shuck. Trans. Ent. Soc. Loudon, ii. p. 77 (1837). $ . 



Hah. Eaglehawk Neck ; February ; Mt. Wellington, 

 2200 ft. ; January. 



Sliuckard states that the carina in the longitudinal groove 

 on the median segment is obsolete in this species. In a 

 series of twenty specimens collected by myself the carina is 

 usually quite distinct near the base of the segment, but there 

 is considerable variation in this character. I have recorded 

 the continental form of this species as P. t'ridipetine, Sm. 

 (Proc. Zool. Soc. p. 512, 1908), but the form of the clypeus 

 differs in that Hawaiian species, being broadly and evenly 

 rounded, whereas in iv es he oodi it is distinctly produced in the 

 middle. The two forms are, however, very close. The 

 posterior ocelli are nearer to the eyes in iridipenne than in 

 typical westiooodi, but North Queensland specimens of west- 

 tooodi come very near iridipenne in this point. P. icestwoodi 

 is probably spread over the whole of Australia, 



