the Asilidre of Austmlasut. 4S5 



opciiinfj. Palpi hlackisli, with paler liairs. AnfennfC reddish 

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

 blaek 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 sinall spine distinct, the style blnnt, 

 blackish. Furelwad shining black in the centre. Hind 

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

 head jire yellowish, Prothorax black. Thorax blackish 

 brown, with grey tomentum ; three black stripes visible; 

 shonldcrs and sides covered with golden tomentnm; breast 

 black, with glistening white tomentum and with two shining 

 blue-black stripes, the first one o[)p()sitc i he first pair of legs, 

 the second one, which is blacker and subdivided, beh)W the 

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

 the base of wings. Scutellum covered with golden-yellow 

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

 black bauds on anterior border of segments ; on sides of 

 segments a tomeutose scpuire grey spot appears. Lefjs 

 reddish yellow ; coxae black, with grey tomentum; femora 

 largely black ; apices of tibia; and the tarsi reddish bi'own or 

 blackish. IV'inys clear, the first jjosterior 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-l)lack; ovipositor large, black. Legs 

 more largely reddish. 



A female from West Australia is probably a specimen of 

 this species, thongh the black bands on abdomen are almost 

 wholly obsolete. 



Chrrjsopogon splendidissimus, (^ ? . 



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

 tralia; the males from Champion Bay {II. Da Botday) 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; anteunie 

 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. 



Fulvous. Face Mriukled, 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. Antennce 

 reddish yellow, the first two joints with yellow pubescence ; 

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



