the Asilidffi of Australasia. 4S5 



opening. Palpi blackish, with paler hairs. Antennce reddish 

 yellow ; the first two joints small, with a few yellow hairs and 

 black bristles on apex of second joint on lower border; the 

 third joint bare, cylindrical, almost twice as long as the first 

 two joints together ; the small spine distinct, the style blunt, 

 blackish. Forehead shining black in the centre. Hind 

 border of head armed with two bristles, the short hairs round 

 head are yellowish. Prothorax black. Thorax blackish 

 brown, with grey tomentum ; three black stripes visible; 

 shonlders and sides covered with golden tomentum; breast 

 black, with glistening white tomentum and with two shining 

 blue-black stripes, the first one opposite the first pair of legs, 

 the second one, which is blacker and subdivided, below the 

 base of wings ; the stout spine is black, placed just above 

 the base of wings. Scutellum covered with golden-yellow 

 tomentum. Abdomen yellow, black at base, and with broad 

 black bands on anterior border of segments ; on sides of 

 segments a tomentose square grey spot appears. Legs 

 reddish yellow ; coxae black, with grey tomentum ; femora 

 largely black ; apices of tibise and the tarsi reddish brown or 

 blackish. Winys clear, the first posterior cell a little nar- 

 rower at opening; anal cell not quite closed ; genital organs 

 small. 



Female similar to the male, but the dark bands on abdo- 

 men are wider and blue-black ; ovipositor large, black. Legs 

 more largely reddish. 



A female from West xVustralia is probably a specimen of 

 this species, though the black bands on abdomen are almost 

 wholly obsolete. 



Chrysopogon splendidissimus, (^ ? . 



Type (^ , type ? , and another male, all from West Aus- 

 tralia; the males from Champion Bay {H. Du Boulay) and 

 the female from W. Australia (G. Clifton). 



A large handsome species with a reddish-yellow thorax 

 and abdomen, the latter black at its base and 'on the sides 

 of the third and fourth segments, underside black ; antennre 

 and legs yellowish, femora black. Wings yellow, grey at 

 apex and on inner border, the first posterior cell closed. 



Length, (J 23-30 mm. ; $ 23 mm. without ovipositor. 



Eulvous. Face wrinkled, reddish with golden tomentum ; 

 the moustache composed of golden-coloured bristles bor- 

 dering the mouth. Palpi reddish yellow with yellow hairs. 

 The hairs round head above and below black. Antenna 

 reddish yellow, the first two joints with yellow pubescence ; 

 the third joint twice as long as the first two, with a short 



