46 Cameron, Hymenoptera, from Grey month. 



the transverse nervure is received distinctly in front of the 

 transverse basal ; in P.pruinosus it is interstitial, P. tuber- 

 culatus Sm. differs in being much smaller — only 3 lines — 

 and in having two minute tubercles on the second, third 

 and fourth ventral segments near their apical margin. 



PiSON MOROSUS Sm. 

 One specimen. 



GORYTES CARBONARIUS Sm. 

 An example of this, apparently common, species has the 

 second transverse cubital nervure completely obliterated. 

 Gorytes tricJiiosoina Cam. is probably only a form of 

 G. carbonarius. 



Tachytes depressus Sauss. 



Reise der Novara, Hymen, p. 69. 

 Three specimens. 



Tachytes sericops Sm. 

 One example. 



Tachytes helmsi Cam. 



Manchester Memoirs, 1888, p. 182. 

 One example. 



POMPILID^. 



The PompilidcE appear to be the commonest, largest 

 and most handsome of the New Zealand Hymenoptera. 

 Under the name of Sphex one of the species has been 

 recorded by Mr. Potts (probably S. Wakefieldi\ as 

 preying on spiders, with which the Pompilidce provision 

 their nests. Mr. Potts {Nature, XXX. p. 267) says : " A 

 species of Sphex [read Salius'] with orange-coloured body 

 deposits the benumbed or torpid bodies of spiders in 

 some crevice for future use. An individual of this species 



