480 Miss G. Rlcaixlo — A Revision of 



male from Mackay, Queensland (G. Turner), and a specimen 

 from Dandenong Ranges, Victoria, in Mr. French's Coll. 



Macquart's description is as follows : — 



Thorax red. Abdomen violet ( cJ ), black ( ? ). Moustache 

 black. Antennae and legs black. Wings brown. Length 

 5 lines, ^ ? . Palpi black, M-ith black hairs. 



Face shining black, with white tomeutum at the sides ; 

 moustaclie ))lain, black. Forehead shining black. Antennae: 

 third joint fairly long, curved outwardly. Thorax shining 

 red ; witli a black dorsal elongated spot, another at the base 

 of wings, and one small black spot on shoulders. Scutellum 

 black. Abdomen a brilliant violet (c?), black with green 

 reflections ( $ ), Legs : anterior legs with small spine. 

 Halteres yellow. Wings brown. In two specimens the 

 male has the second posterior cell stalked ; the female has it 

 slightly so in the right wing, on the left one with no stalk 

 but pointed at the base. 



From Tasmania. 



An easily recognized species. 



Cabasa ruhrithora.v, Macquart. 



IJasypogon venno, Walker. 



Macquart's type (c?) seen in Paris Museum, 12.4. 11. 

 W alker's type is identical with it. 



AValker's type ( (^ or ? ?) from Van Diemen's Land. 



The species is only distinguished from Cabasa pulchella 

 by the wings, which are brown on the basal half only as far 

 as the apex of the discal cell, and is rather smaller in size. 



Macquart's description is as follows : — 



Length 3 lines, J . Face and forehead black, with grey 

 tomentum ; moustache plain, yellowish. Antennae: the 

 first two joints black, the third is wanting. Thorax shining 

 red, with a dorsal band and its posterior border blackish 

 green ; chest and scutellum black. Abdomen depressed, 

 shining black, with faint green reflections. Legs black, 

 almost naked ; posterior tibiae swollen at apex. Halteres 

 fawn-coloured, large, becoming wider from base to apex. 

 Wings: the two anterior thirds brown; the remainder 

 hyaline; neuration normal. 



From Tasmania. 



Cabasa glabruta, J , Walker. 



Type ( ^ ) from Batchian. 



This type and the following one W^alker failed to recognize 

 as belonging to the above genus created by himself. 



It diti'ers from C. rubritliorax and C. pulchella by its 



