BY ARTHUR WHITE. 171 



Tliis species is distinguished from all the other Austra- 

 lian species of Ommatius by having the wings partly brown 

 and partly hyaline. Only a single specimen is at present 

 known ; it was taken by Mr. Hardy at Launceston on 

 January 25, 1914. 



35. Promachus, Loew. 

 {Bactria, Meig. Telejoneura, Rond. Truijanea, Maicq,.) 



Abdomen conical, somewhat hairy, and longer than 

 the wings; legs rather strong but not stout; claws of tarsi 

 2"»ointed; uvipositor without a circlet of spines; wings with 

 three submarginal cells, the veinlet dividing the second 

 and third submarginai cells situated directly above the 

 second posterior cell; first posterior cell closed or open; 

 fourth posterior and anal cells closed. 



Tlie only other Australian genus having three submar- 

 ginal cells is Pliilodicus, Walk., in which the veinlet divid- 

 ing the second submarginal (or cubital fork) cell and the 

 third submarginal cell is situated directly above the discal 

 cell, so that whereas in Promachus the second submarginal 

 cell is much shorter than the third, in Philodicio^ the re- 

 verse of this is the case. 



One species of Promachus was described by Macquart 

 from Tasmania, but no specimen seems now to be known. 



Promachus tasmanensis, Macq. 



This species waa described as ashy-gi'ey; abdomen with 

 doi-sal black spots; moustache yellow; antennas and legs 

 black ; tibise testaceous. 



Length. Male, 20 mm. 



Hab. '"Tasmania." 



.36. P R o c T A c A N T H u s, Macq. 

 (Acaufhodelphia , Bigot.) 



Wings with the lower branch of the cubital fork curving 

 upwards and ending in or above the wing-tip ; upper 

 branch often with a recurrent bend or rudimentary vein- 

 let; first posterior cell wide open; fourth posterior and 

 anal cells closed. Abdomen conical and much longer than 

 the wings; ovipositor with a conspicuous circlet of spines. 



Of this genus two species have been described from the 

 Australian region; one of these, P. durvilhi, Macq., is 

 given by Macc|uart as from New South Wales, but Miss 

 Ricardo states that the type is from Tasmania. 



