-^0 KEW AUSTRALIAN ASILID.«, 



Australia, and 0. levis from Tasmania; from the former 

 of these species 0. ohscurus is distinguished by the much 

 less hairy body and legs, and by the wings m the male 

 being without any sign of inflation, from the latter by the 

 almost hyaline wings, whilst from both these species it is 

 distinguished by the scutellum bearing only two marginal 

 black bristles instead of numerous white ones. 



0. oliAcurus is at present only known from a male taken 

 by Dr. Ferguson at Milson Is., N.S.W., on April 10, 1914. 



A s I L u s, L. 



Of this genus a veiy large number of Australian species 

 were originally described, but only ten of these seem to 

 belong to the genus in its restricted sense; one additional 

 species is now added. 



ASILUS AUREUS, Sp. nov. 



Antennae with basal twci-thirds of first joint yellow, 

 remainder of first and all of second and third joints black ; 

 thorax pale yellow, with a broad velvet black centre stripe, 

 and shorter similarlv coloured interrupted side stripes ; 

 abdomen entirely golden yellow ; legs golden yellow, the 

 bristles of tibiae entirely black. 



Length. Female, 16 mm. 



Hah. Victoria ( ?Ouyen, Mallee.) 



Female. Face yellow ; moustache pale yellow, with 

 a few black hairs beneath. Antennae with the basal two- 

 thirds of first joint yellow ; apex of first joint and all of 

 second and third joints black ; style much shorter than the 

 third icdnt. Front yellow, with the ocellar tubercle brown- 

 ish. Thorax pale yellow, with a broad velvet black centre 

 stripe and shorter, similarly coloured interrupted side 

 strines ; bristles of thorax black ; scutellum black, with a 

 little yellow tomentum, and two marginal long black 

 bristles. Abdomen entirely bright golden vellow, the pos- 

 terior margins of segments with black bristles ■ ovipositor 

 short, couical. Legs golden yellow, with the knees and 

 tips of tarsi black ; bristles of femora mostly black, but 

 with a few white ones, those of tibiae and tarsi entirely 

 black. Wings hyefline, shaded with grey at tips and along 

 the inner margin, with the veins black. 



This sp~ecies may be easily recognised by its bright 

 golden-vellow abdomen and legs ; of the already described 

 Australian species it bears the closest resemblauce to A. 

 liyagnift, Wall., but may be distinguished from that species 

 by the antennae being only yellow at 'the base instead of 

 entirely yellow, the abdomen golden-yellow instead of ochre- 



