414 l^Jiss G. Ricavdo — A Revision of 



bristly pubescence. Ajitenna blackisb, tbe tbird joint 

 wanting. Legs very stout, black ; femora incrassate, with 

 black spines ; tibise reddish, with black spines and some 

 short, appressed, yellowish pubescence ; underside of poste- 

 rior tibiae with thick bright fulvous pubescence, and some on 

 the posterior femora. 



Promachus clausus. J , Macq. 



Dipt. Exot. Suppl. i. p. 208 [Trupcniea'] (1846). 



Is described as a black species, the abdomen with white 

 segmentations. Wings with the first posterior cell closed. 

 Length 9 lines. 



Promachus rvfipes, $ , Macq. 



Is described as an ashy-grey species. Abdomen with dorsal 

 black spots. Moustache white. Palpi with black hairs. 

 Legs red. 



Length 10 lines. 



The name is preoccupied. 



Promachus tasmnnensis , S ) Macq. 



Is described as ashy grey. Abdomen with dorsal black 

 spots. Moustache yellow. Antenme and legs black ; tibiae 

 testaceous. 



Length 10 lines. 



Promachus interponens, Walker. 



Co-types two females from Batjan. 



Male and female from N.E. Queensland (C. M. Kelsall), 

 1910. 



A robust blackish species, with reddish legs ; the abdomen 

 in the female with the first four segments broad, the re- 

 maining ones gradually tapering to a point, sides and seg- 

 mentations ashy grey. Wings with a grey streak in the 

 first submarginal cell. 



Length of co-types 27-28, c? 26 mm. 



Female. — Face blackish, with grey toraentura; a few 

 yellow and black hairs below antennae : the tubercle well 

 developed, carrying the moustache, which consists of stout 

 black bristles continued round the oral opening, with a few 

 long white hairs intermixed. Palpi blackish, with long 

 bristly hairs. Beard white. Antenn(E black, the first two 

 joints with bristly black hairs, third wanting. Forehead 



