354 Miss G. Ricardo — A Revision of 



last have the third joint broad, lon^^er than tlie first two 

 joints together. Wings with the hrst and fourth posterior 

 cells open, the anal cell closed. 



The species as yet recorded in this genus are : — 



Thereutiia hictuosa, Macq., Dipt. Exot. i. (2) p. luo [^Dusypogoii] 

 (1838). 



Thereutria aniaracus, Walker, List Dipt. ii. p. 380 [Laphrici] (1849) et 

 vii. Suppl. 3, p. 5-j9 [LapJiriti] (1855). — Ommathis ialmus, Wallier, 

 /. c. p. 479 et p. 759. Dasypoyoyi diver sic olor, JNlacq., Dipt. Exot. 

 Suppl. iv. p. 368 (1849) ; 13igot, Auu. Soc. Ent. France, (5) viii. 

 p. 219 (1878). Dasypoyon aurifacits, Macq., /. c. p. 3G7, pi. vi. 

 tig. 5. Thereutria calcar, Loew, Progr. Realscbule Meseritz, 1851, 

 p. 20 (1851 ). Scandon eojnpacta, Walker, Ins. Saiuid., Dipt. i. p. 108, 

 pi. iv. fig. 7 (1851), et List Dipt. vii. Suppl. 3, p. 563 (1855). 

 Laphria diversipes, Macq., Dipt. Exot. Suppl. v. p. 73 (1S55) ; 

 Froggatt, Australian Insects, p. 295 (1907). Thereutria caliyula, 

 Bigot, Ann. Soc. Ent. France, (5) viii. p_. 233 (1878). Dasypogon 

 diversipes, Kirby, Ann. Mag. Nat. Hist. xiii. p. 458 (1884). 



Thereutria pulchra, Schiuer, Reise No vara, p. 169 (1868), 



Thereutria hictuosa, Macquart. 



Type, a male^ seen in Paris Museum, 12.4. 11, described 

 by Macquart as from unknown locality : a label below gives 

 " New Holland " ; no doubt this is correct, as the genus, at 

 anv rate as yet, is peculiar to Australasia. It is a species 

 of Thereutria distinguished from T. amaracus and T. pulchra 

 by the wholly black legs and brown ivings. A blue-black 

 species. Abdomen with white spots at sides o£ segments 

 2-G. Face with white lines on each side, flat, hardly raised 

 at oral opening. Moustache white. Antennce gone, except 

 the first two joints, which are black, with black pubescence. 

 Wings brownish, the fourth posterior cell narrowed at border, 

 the anal almost closed. 



Thereutria amaracus, Walker. 



Ommatius ialmus, Wlk. 

 Dasypogon diversicolor, Macq. 

 Dasypogon aurifacies, Macq. 

 Thereutria calcar, Loew. 

 Sca7ulon compncta, Wlk. 

 Laphria diverxijies, Macq. 

 Thereutria calujula, Bigot. 

 Dasypogon diversipes, Kirby. 



Type ((?) from Hunter River, New S. Wales, and 

 other specimens from Burpengary, Queensland, and New S. 

 Wales. 



Two male specimens from New S, Wales (presented by 

 J. Hunter) were described by Walker as Ommatius ialmus; 

 in both the third joint of anteunse is wanting and AValker 



