the Asilitlaj of Australasia. 443 



bristles on sides and i)ostcriorly, sides with grey toracntum. 

 Scnltlluin covered with yellowish tonientum and some black 

 bristles. Abdomen brij^ht tnlvous, blackish at base, at apex 

 deep shining black, with no bristles, but some golden-yellow 

 pubescence at sides and on segmentations ; these last are 

 blackish ; genital organs large, black, with blackish pubes- 

 cence. Leys red, knees and tar>i black, fore coxae and 

 femora with white hairs ; all bristles black, middle and poste- 

 rior femora below with bristles. IVinys hyaline, yellowish, 

 tinged grey at apex and on fore border; neuration as in 

 Neoaratus hercules, but the fore border is hardly perceptibly 

 dilated ; small cross-veins just below the middle of discal 

 cell. 



The species is very similar in general appearance to Asilus 

 rvjiventris, but is smaller, and the antennaj arc dark and 

 moustache not wholly yellow. The ovipositor in the female 

 of this species i^ very small, appearing beyond the eighth 

 segment of abdomen, which is black with black hairs. 



Length, S 24-26, ? 22-24 mm. 



Sehiner was of opinion that Asilus niyritarsis was the 

 same as this species, but does not give the name {)riority 

 owing to its being preoccupied; he also gave Asilus tusr, 

 mauve as a synonym. 



Asilus jwlayo, Walker. 



Type (male) from Swan River. 



Type (female) from New South Wales (presented by 

 Haslar Hospital), and others from Swan lliver and Adelaide. 



This is a handsome species, with reddish-yellow ubchmen, 

 sides and auex black, femora black, tibiae yellow on basal 

 half. 



Length, S 23, ? 27 mm. 



Mule. — tace black, covered with pale yellow tomcntum 

 on upper part ; tubercle not prominent, bearing the thick 

 vellowish-white moustache, composed of long weak bristles. 

 Beard the same colour. Paljn blackish, with black bristly 

 hairs. Antennse brown, the third joint conical, rather short 

 and broad compared with those of Asilus rujiventris, with a 

 long teiniiual arista. Iliud part of head with whitish hairs 

 and Avith short black biistles at vertex. Thorax brownish, 

 with black stripes; sides with stout black bristles and two 

 below base of wing ; posterior part of dorsum with nume- 

 rous black bristles and hairs, the whole of dorsum w ith short 

 black pubescence. Scutellum with two long, incnrved, black 

 bristles, and hairs or shorter bristles interspersed. Abdomen 



