the Asilida3 of Australasia. 356 



In Brit. Mus. Coll. six males from Burpengary, Queens- 

 laud {Dr. T. L. Bancroft). 



A black species, distinguished from T. amaracus by tlie 

 wholly black femora, and the tibiae are partly brassy yellow. 



Length 14 mm. 



Face covered with yellowish tomentum. Moustache of 

 black bristles surrounding mouth, not reaching up the 

 face, tubercle small, Antennoe with black hairs on the first 

 two joints. Beard white. Palpi with black hairs. Forehead 

 with greyish tomentum and black hairs, hind part of head 

 with black pubescence. Thorax with the usual white 

 shoulder-spots and markings and with black pubescence. 

 Scutellum black, with grey tomentum and black pubescence. 

 Abdomen dull black, hardly shining, the white side-spots are 

 present on the second, third, and fourth segments, covered 

 with white hairs ; sides of abdomen with white and black 

 hairs ; underside black. Legs slender, the femora not 

 swollen ; coxge and femora black, with long white pubescence 

 on the former and a few scanty white hairs on the latter, 

 thickest on the posterior pair; fore tibise blackish, a dull 

 yellowish-red tinge on the apical two-thirds below, covered 

 with fulvous pubescence which appears white above, the 

 others are black, dull yellow on outer border, with dense 

 white pubescence, on the black part it is black ; tarsi black, 

 the posterior pair with the first joint yellow ; pubescence 

 chiefly black; all bristles on the legs are black. Wings 

 hyaline, veins brown, narrowly yellow on fore border j 

 neuration as in Thereutria amaracus. 



Metalaphria, gen. nov. 



A genus next to Thereutria, having a curved spine to the 

 fore tibiae. Antemice with no style, the third joint long 

 cylindrical. Face with no tubercle and the moustache con- 

 fined to the oral ope)iing. Wings with the first posterior 

 cell widely open, the fourth very narrow at the border, 

 almost closed, the anal cell the same. 



The only species in general appearance resembles a 

 Saropogon species. 



Metalaphria austruUs, sp. n. 



Type S, type ?, from Upper Playford, Alexandria, 

 N. Australia (W. Stalker), 1906. 



A small species with a bluish-black abdomen, red at apex, 

 with reddish-yellow tegs and clear wings. 



Lcugth, c? 8 mm., ? 9 mm. 



