94 REVISION OF THE THYNNID^ OP AUSTRALIA, II., 



transverse, narrowly emarginate anteriorly. Head and thorax 

 closely punctured; the scutellum rather long, broadly rounded at 

 the apex. Median segment rounded, very finely and shallowly 

 punctured. Abdomen elongate-fusiform, shining, closely and 

 very shallowly punctured; the apical margins of the segments 

 depressed, with a raised mark on each side before the apex. 

 Hypopygium small, much narrower at the base than at the apex, 

 where it is truncate, with a small spine. Length 11-12 mm. 



9. Head broader anteriorly than long, narrowed posteriorly, 

 sparsely punctured, the front produced into two minute tubercles 

 between the antennae. Thorax and median segment rather 

 sparsely punctured; the pronotum much longer than broad; the 

 median segment obliquely truncate posteriorly. First abdominal 

 segment truncate anteriorly, sparsely punctured; the second 

 segment with a transverse carina near the base and another near 

 the apex, the intervening space coarsely transversely rugose, the 

 apical margin raised, forming a third carina; the third segment 

 with a transverse impressed line near the base, very finely punc- 

 tured at the base, more coarsely and sparsely at the apex; the 

 remaining segments finely punctured. Pygidium simple, with a 

 low, longitudinal carina. Length 6-9 mm. 



Hob. — Melbourne (French); Tasmania (Simson; <J$ in cop.); 

 Bombala, N. S.W. (Froggatt; <£$ in cop.). 



Smith's types, which are lost, were smaller. The female 

 from Tasmania is coloured as in Smith's description, but the 

 specimen from Bombala is much darker, the head and thorax 

 being black; it is also more deeply punctured, but I do not think 

 the differences are of specific value, though they may prove to be 

 so when a longer series is available for comparison. 



2. T. (Phymatothynnus) aratus, n.sp. 



(J. Clypeus finely rugulose, narrowly truncate at the apex; the 

 antenme longer than the head and thorax, the seven apical joints 

 depressed at the base and apex beneath and subarcuate. Head 

 and thorax closely and finely punctured; the median segment 

 rounded, very finely rugulose. Abdomen sparsely and shallowly 



