BY ROWLAND E. TURNER. 121 



Black; anterior margin of clypeus, margins of eyes as high as 

 base of antennae, a spot at base of mandibles, anterior margin of 

 pronotum narrowly interrupted, tegulae, a small spot on post- 

 scutellum and a narrow carved line on each side of second, third 

 and fourth abdominal segments just before apical margin white, 

 anterior legs fuscous. Wings hyaline, nervures black. Length 

 10-12 mm. 



Q. Head broader anteriorly than long, narrowed and rounded 

 posteriorly, smooth and shining, with a few minute and scattered 

 punctures, a short sulcus between the antennae; clypeus with a 

 carina from base. Thorax and median segment rather shallowly 

 punctured; pronotum longer than broad; mesonotum small; 

 median segment obliquely truncate posteriorly. Abdomen 

 shining, rather sparsely punctured, first segment with the apical 

 margin slightly raised, broadly depressed before apex, leaving a 

 strong carina curved at the sides before the depression; second 

 segment with four transverse carinae, including the raised apical 

 margin. Pygidium lanceolate, slightly widened at apex. Fifth 

 ventral segment punctured. Black; head, second abdominal 

 segment, pygidium and legs fusco-ferruginous; the depressed 

 apical portion of the first abdominal segment testaceous. 

 Length 7-10 mm. 



Rob. — Woodford, N.S.W. (Waterhouse; <JQ in cop.). Leura; 

 Mittagong, N.S.W. (Froggatt; £9 in cop.). 



The antennae of the male are rather longer than in T.pulchellus. 



40. T. (Aeolothynnus) planiventris, n.sp. 



(J. Clypeus narrowly produced and truncate at apex, with a 

 carina from base not quite reaching apex; interantennal carinae 

 oblique, not meeting at apex. Head and thorax very closely 

 punctured; anterior margin of pronotum straight and slightly 

 raised; median segment delicately rugulose at base, very finely 

 transversely striated at apex. Abdomen subpetiolate, fusiform, 

 flattened above and beneath, almost smooth; first segment with 

 a very short sulcus from base; second segment depressed at base. 

 Hypopygium small, a little broader at apex than at base, sub- 





