502 ME,. R. E. TURNER ON [May 1 2, 



tarsi, and the extreme apex of the femora ferruginous. Wings 

 hyaline, nervures black. 



Length 10 mm. 



Hah. Victoria {French). 



Type in British Museum. 



Belongs to the mystaceus group. 



Bembex variabilis Sm. 



Bemhex variabilis Sm. Cat. Hym. B. M. iv. p. 325,_n. 39,1856, $ . 



Bembex crabroniformis Sm. Ann. Mag. ISTat. Hist. xii. p. 296, 

 1873, S- 



Yar. Bembex raptor Sm. Cat. Hym. B. M. iv. p. 326. n. 40, 

 1856, d. 



I have not been able to dissect a male of B. raptor., but cannot 

 find any perceptible difference in structure between it and 

 variabilis. The colour-differences are not reliable, though to 

 a certain extent, at all events, local. The variety rajytor occurs 

 at Roeburne, W. Australia, and in various localities in Central 

 Australia ; the abdominal fascite are continuous, not interrupted 

 as in the typical form, which occurs along the Eastern Coast and 

 at Port Darwin. The second joint of the flagellum in the male is 

 a little shorter in var. raptor than in the typical form. 



Bembex flavipes Sm. 



S . Colour as in the female, the clypeus white, black at the 

 base. Clypeus very prominent from the base, then vertically and 

 broadly semicircularly truncate and subconcave. The penultimate 

 joint of the flagellum is strongly produced beneath at the apex, 

 the apical joint strongly hooked and pointed. Anterior tarsi 

 normal, intermediate femoia not serrate. Second ventral seg- 

 ment carinate longitudinally, the carina produced into a large 

 compressed tubercle, truncate broadly at the apex ; the sixth 

 segment with a black triangular plate, pointed at the apex. 



Hab. Mackay, Queensland [Turner). 



Bembex littoralis, sp. n. 



c? . Clypeus moderately convex, clothed with very short pubes- 

 cence, which only shows in strong lights, in which it is silver ; 

 shining and finely punctured. Mandibles tridentate, the two 

 inner teeth very small, the labrum normal. Antennse inserted a 

 little further from each other than from the eyes, the front 

 between them slightly raised ; the last joint of"' the flagellum 

 slightly curved, the second joint fully half as long again as the 

 third. Cheeks very narrow ; the head finely punctured, with 

 sparse, long, grey pubescence. Thorax and abdomen finely and 

 closely punctured; the apical dorsal segment of the abdomen 

 broadly rounded and more sparsely punctured ; the second ventral 

 segment rather coarsely punctured, with a prominent, compressed, 

 curved tubercle, pointed at the apex ; the sixth segment with a 



