288 REVISION OF THE THYNMDiE OF AUSTRALIA, I., 



T. FASCIPENNIS n.sp. 



(^. Clypeus very nai-row]}'- advanced and truncate at tlie apex, 

 densely clothed with cinereous pubescence, with a strong median 

 carina from the base to the apex. Head strongly and ver}^ 

 closely punctured, the interantennal prominence very broadly 

 rounded at the apex; posterior margin of the head straight, iinel}^ 

 and closely punctured on the vertex and behind the eyes; the 

 sides with a beard of long grey hairs. Prothorax short and 

 broad, finely punctured, the anterior angles prominent and 

 recurved. Mesothorax finely punctured, a raised oblique carina 

 on each side above the tegulse. Scutellum prominent, almost 

 vertically truncate posteriorly, the apex strongly emarginate, 

 the angles forming a slight tubercle on each side. Median 

 segment rounded, finely reticulate, with grey pubescence on the 

 sides. Abdomen subpetiolate, elongate-ovoid, shining, sub- 

 punctate; the tirst segment narrower at the apex than in T. 

 ardhracinus Sm., with a very short median sulca fromthe base. 

 Third and fourth segments wider than the second. Hypopygium 

 with a spine on each side near the base, thence gradually 

 narrowed to the base of the apical spine, where it is narrowly 

 rounded. Black; the postscutellum white. Wings hyaline, 

 nervures fuscous; a broad irregular fuscous band cro-sing the 

 forewing from the stigma. Length 11-14 mm. 



^. Head, thorax, and median f-egment coarsely rugose; the 

 head gradually narrowed to the posterior margin, where it is 

 narrower and not so strongly rounded at the posterior angles as 

 in T. anthraclna Sm. The protliorax is broadest in the middle; 

 the median segment rather shorter than the prothorax, much 

 broadened to the apex, where it is almost vertically truncate. 

 Abdomen longitudinally rugulose, rugose on the two basal seg- 

 ments. Segments 3-5 almost smooth at the base; the epipygium 

 w4th a delicate, median, longitudinal carina. Dark fuscous; the 

 mandibles, antenna), and legs f usco-ferruginous. Length 9-1 3mm. 

 Hab. — Cairns, Q. 



Very near T. anthraclna Sm., from which it differs in the male 

 by the shape of the scutellum and the white colour of the post- 



