BY R. E. TURNER. 671 



Cerceris opposita Sm. 



Cerceris opposita Sm., Ann. Mag. Nat. Hist.(4),xii., p. 413, 1873,9. 



9. Nigra; mandibulis basi, clypeo, margine interiore oculorum 

 latissime, carina frontali, macula parva pone oculos, pronoto linea 

 utrinque, tegulis, postscutello macula utrinque, segmentisque 

 dorsalibus secundo, quarto quintoque fascia angusta apicali flavis; 

 feraoribus apice, tibiis, tarsis flagelloque subtus ferrugineis; alis 

 subhyalinis; clypeo lamina a medio libera, porrecta, apice trun- 

 cata; mesopleuris baud dentatis; segmento mediano area basali 

 longitudinaliter striata. 



(J.Feminte similis, clypeo apice late rotundato obtuse bidentato. 



Long. 9, 10 mm.; ^, 7 mm. 



9.Clypeus with the lamina free from the middle, narrowed to 

 the apex and truncate; antennae inserted about one-half as far 

 again from the anterior ocellus as from the base of the clypeus, 

 second joint of flagellum scarcely longer than the third. Pro- 

 notum rounded at the anterior angles ; mesopleurae without 

 tubercles; fii'st abdominal segment more than twice as broad as 

 long; pygidial area narrow, twice as broad at the base as at the 

 apex, gradually nan-owed, nearly three times as long as the 

 greatest breadth. Closely and rather coarsely punctured; the 

 enclosed area at the base of the median segment longitudinally 

 striated. Petiole of the second cubital cell very short. 



(J. Clypeus convex, broader than long, broadly rounded at the 

 apex, with two small blunt teeth; pygidial area as broad at the 

 base as long, narrowed towards the apex. 



JIab. — Victoria : Melbourne(French). 



The male is from Melbourne; the female apparently from 

 BakewelFs Collection. 



Cerceris gilesi Turn. 



Cerceris gilesi Turn., Proc. Zool. Soc. 1910, p.346,9(J, PI. xxxii., 



fig. 13. 



9. Nigra; mandibulis, clypeo, fronte, scapo, macula parva pone 



oculos, pronoto, tegulis, scutello, postscutello, pedibus, segmentis, 



abdominalibus primo secundoque, segmentoque dorsal i quinto 



