BY ROWLAND E. TURNER. 147 



antennae, pronotum, a square spot on mesonotum, tegulae and a 

 curved line above them, mesopleurae, a spot in middle of scutellum 

 and a small spot at each of anterior angles, a transverse line on 

 postscutellum, sides of median segment, a longitudinal spot on 

 each side at base and a small spot at apex, a broad transverse 

 band on middle of each abdominal segment, the prominent ventral 

 plates beneath and the seventh segment dull cream colour. A 

 large, slightly depressed spot on each side of clypeus near apex 

 and a narrowly interrupted transverse line crossing clypeus from 

 base of mandibles dark brown. A trausverse line on sides of 

 pronotum and a small spot in middle, and a broad irregular 

 mark on mesopleurae black. Legs pale yellow, trochanters and 

 tarsi fuscous, femora at base and tibiae beneath ferruginous- 

 brown. Wings hyaline, nervures black, stigma testaceous. 

 Length 8 mm. 



Hab. — Killalpanima, S. A , 100 miles east of Lake Eyre. 



Type in Brit. Mus. (H. J. Hillier). 



74. T. (Aeolothynnus) baccatus Sm. 



Thynnus (Agriomyia) baccatus Sm., Trans. Ent. Soc. London, 

 1868, p.236(^). 



q. Clypeus broad, slightly produced and truncated at apex 

 where it is not very broad, finely punctured. Head, thorax and 

 median segment xqyj finely and closely punctured ; anterior 

 margin of pronotum straight, not elevated; mesothorax rather 

 broad ; median segment short, obliquely truncate posteriorly. 

 Abdomen rather strongly punctured, second segment the broadest; 

 segments 2-5 strongly depressed at base above arid beneath, 

 segments 3-5 subtuberculate beneath near apical angles; sixth 

 ventral segment with a short spine on each side at apical angles. 

 Hypopygium broad, terminating in three spines, the central 

 spine long and stout. Wings hyaline, nervures black, stigma 

 fuscous. 



Hob. — Champion Bay, W.A. (Du Boulay). 



