\ 



some new AsWidvc from Western Australia. 529 



Subgenus Macuimus, Loow. 



Only one species has been recoided up to date from tlie 

 Australasian refjiou, Ricarilo liavinf^ placed the species 

 Asilus antilco of Walker (British ^Museum Collection) in this 

 subgenus of the old Asilus. 



A specimen in our collection, unfortunately a female, 

 seems to belong to this subdivision ; but, whilst its specific 

 characters seem to be quite satisfactory, the same cannot be 

 said of the g*Mieric jjosition. The boundaries of these sub- 

 genera of Asilus are very unsatisfactory, and will have to be 

 redefined in the future. Unfortunately there are still too 

 few specimens from Australia to take the matter up with the 

 Australian species. 



Machimus forresti'ij sp. n. (PI. XV. fig. 4.) 



Type (female) from Cunderdin, Western Australia. The 

 species is blackish. 



Face. — Black. The moustache consists of black bristles 

 above and white bristles below. 



Auttnme. — Black. The third joint with no hairs. A few 

 black hairs are present on the basal joints. 



Thorax. — Uuiforndy black, with long black bristles poste- 

 riorly. A few whitish hairs are present on the scutellum. 



Legs. — Black, except tibia3 and tarsi, which are light 

 brown. There are white hairs on the coxse. The anterior 

 femora are clothed with black hairs and possess a very few 

 black bristles. There are a few black bristles on the middle 

 femora and more on the hind femora. All tibire and tarsi 

 bear numerous black bristles as well as a covering of fine 

 hair. 



Wings (text-fig. 2, E). — Hyaline, with brown pigment on 

 the cross-vein and at the fork of the third longitudinal vein. 



Abdomen. — Colour dull black. Black bristles are well 

 developed on the i)Osterior margin of the segments, es[)ecially 

 on the anterior segments. There are also some delicate white 

 hairs on these segments. Laterally there are inconspicuous 

 and small areas of grey tomentum on each segment. 



Ovipositor laterally compressed. 



(Size 17 mm. 



Species recohded for the First Time from 

 Western Australia. 



A SI LIN JB. 



BUpharotes flavus, Ricardo. 

 Two specimens in the collection appear to belong to this 



