346 MR. R. E. TURNER ON THE [Feb. 15, 



Sphex modestus Sm. 



Sphex modesta Sm. Oat. Hym. B. M. iv. p. 248 (1856), $ • 

 Sphex dolichocerus Kohl, Ann. Naturh. Hofmus. Wien, v. 



p. 390(1890), J. 



Sphex bannitus Kohl, Ann. Naturh. Hofmus. Wien, x. p. 62 



(1895), ?. 



As Kohl suggests, his bannitus is undoubtedly a synonym of 

 modestus, and I consider that dolichocerus is almost certainly the 

 male of the same species. In all three descriptions the locality 

 given is only Australia, but there is a series in the British 

 Museum from Alexandria in the Northern Territory, and it is 

 also in the collection sent by Mr. Giles from Perth. 



Sphex bilobatus Kohl. 



Sphex canescens Sm. Cat. Hym. B. M. iv. p. 246 (1856), J $ • 

 Sphex bilobatus Kohl, Ann. Naturh. Hofmus. Wien, x. p. 59 



(1895), c? $ • 

 ' The name canescens having been previously used by Dahlbom 



is a synonym of S. viduatus, and Kohl's name should be used. 

 Hah. Adelaide (Kohl) ; Cumberland, N.S.W. 



Sphex gratiosissimus Dalla Torre. 



Sphex nitidiventris Sm. Journ. Proc. Linn. Soc, Zool. iii. 

 p. 158. n. 4 (1858), $ (nee Spinola, 1851). 



Sphex gratiosus Sm. Journ. Proc. Linn. Soc, Zool. iii. p. 158. 

 n. 6 (1858), o* (nee Smith, 1856). 



Sphex g?-atiosissimus D. T. Cat. Hym. viii. p. 424 (1897), S ■ 



Sphex wallacei Turn. Proc. Zool. Soc. 1908, p. 467, $ . 



As gratiosus and nitidiventris are sexes of the same species, 

 Dalla Torre's name stands. It is very near resplendens Kohl, 

 but as I have not seen Amboina specimens I cannot be sure that 

 they are identical. 



Cerceris gilesi, sp. n. (Plate XXXII. fig. 13, <3 .) 



5 . Clypeus sparsely but rather coarsely punctured, the middle 

 lobe almost semicircular but broader at the apex than long, 

 broadly but rather shallowly emarginate at the apex, the angles 

 of the emargination produced into very short blunt teeth, with 

 another more acute tooth on each side beyond the emargination. 

 Antennae inserted near together, separated from the base of the 

 clypeus by a distance equal to two-thirds of the length of the 

 middle lobe of the clypeus ; the first joint of the flagellum globular, 

 the second joint a little longer than the third, the apical joint 

 subcorneal, a little longer than the tenth. Inner margins of the 

 eyes slightly divergent towards the clypeus, separated from each 

 other at the nearest point by nearly two and a half times the 

 length of the scape. Posterior ocelli about half as far again from 

 the eyes as from each other. The whole insect coarsely and 

 closely punctured ; the punctures on the mesonotum more or lets 



