118 REVISION OF THE THYNNID^E OF AUSTRALIA, II., 



scutellum, a large irregular spot on each side of median segment 

 near apex, and a narrow curved mark, broadest on the sides, on 

 each side of abdominal segments 2-5 close to apical margin 

 yellow. Tarsi, tibiae and apex of femora pale ferruginous. 

 Wings hyaline, iridescent, nervures pale ferruginous. Length 

 5 mm. 



Hab. — Victoria (French). 



35. T. (Aeolothynnus) rubromaculatus, n.sp. 



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

 delicate carina from near base almost reaching apex. Head and 

 thorax punctured; interantennal carina very broadly V-shaped; 

 scutellum large. Median segment very closely and finely punc- 

 tured. Abdomen subpetiolate, flat, minutely punctured. 

 Hypopygium small and narrow, without an apical spine. 

 Black; mandibles, sides of the clypeus, interantennal carina, 

 margins of eyes narrowly interrupted at summit, margins of 

 pronotum, tegulse, two large spots on mesopleuraa, a quadrate 

 spot on mesonotum, scutellum except at base, postscutellum, a 

 longitudinal mark on apical portion of median segment and 

 a round spot on each side of it, and a narrow curved band, 

 broadest on sides, close to apical margin of abdominal segments 

 2-5 yellow. Apex of first abdominal segment and the whole of 

 second and third segments and legs light ferruginous. Wings 

 hyaline, iridescent, nervures fuscous, stigma testaceous. 

 Length 6-7 mm. 



Hab.— Victoria (French); Wattle Flat, N.S.W. (Froggatt). 



The scutellum is rather narrower at the apex than in T. pyg- 

 mceus, to which it is nearly allied. 



36. T. (Aeolothynnus) innocuus, n.sp. 



£. Clypeus short and not much produced, broadly truncate at 

 apex, with a delicate carina from base not quite reaching apex. 

 Head finely rugose, interantennal carina not developed. Thorax 

 finely and closely punctured ; anterior margin of pronotum 

 broadly and slightly emarginate; scutellum rather long, truncate 



