670 A REVISION OF AUSTRALIAN SPECIES OF GENUS CERCERIS, 



macula basali parva utrinque fusco-testaceis; alls hyalinis, margine 

 costali infuscato; clypeo dimidio apical i oblique et subconcave 

 depresso, apice truncate; dimidio basali subporrecto, emar- 

 ginato, angulis acutis; mesopleuris subtuberculatis; segmento 

 mediano area basali nitida; petiolo longitudine fere duplo longiore; 

 area pygidiali latitudine duplo longiore, lateribus subparallelis; 

 pronoto subemarginato, angulis spina minuta armatis; thorace 

 segmentoque mediano sparse et tenuiter punctatis; capite dense, 

 abdomine sparsius sed crasse punctatis Long. 12 mm. 



Hah. — Cairns, Q. 



The eyes are divergent towards the clypeus; the small spine at 

 the angles of the slightly emarginate pronotum is remarkable. 

 The mandibles are armed with a very large triangular tooth on 

 the middle of the inner margin. 



Cekceris victrix Turn. 



Cerceris victrix Turn., Trans. Ent. Soc. London, 1910, p.422,$(J, 

 Pl.l., fig.lO,^. 



9. Aurantiaca ; vertice, mesonoto, pleuris, sterno, segmento 

 mediano apice, segmentisque abdominalibus tertio quartoque 

 nigris; alls flavo-hyalinis, apice inf uscatis; clypeo in medio bituber- 

 culato, dimidio apicali subconcave depresso, margine apicali 

 obtuse quadridentato; mesopleuris vix bituberculatis; segmento 

 mediano area basali nitida; petiolo latitudine fere duplo latiore; 

 ubique crassa punctata; oculis valde divergentibus. 



(J.Feminse similis ; clypeo latitudine longiore, subconvexo, 

 apice late rotundato dentibus tribus rainutis armato; mesopleuris 

 baud tubercvilatis ; segmento mediano area basali transverse 

 striato; petiolo longitudine sesqui latiore; scutello nigro, vertice 

 aurantiaco; flagello articulo apicali penultimo baud longiore. 



Long. $,16 mm.; (J, 14 mm. 

 Hab. — Cairns, Q. 



I have not thought it necessary to give a detailed description 

 A this species, the original description being sufficient. 



