BY AETHUR WHITE. 167 



with are females, so I am unable tx) give a description of 

 tlie male. The females occur not uncommonly in the bush 

 on high ground ; they may be found settled on logs or on 

 the leaves of shrubs. My dates range from January 18 to 

 February 13. 



Laphria niveifacies, Macq. 



Thorax o.nd abdomen violet- black, with blue, violet, and 

 l^reen reflections, legs violet, wings half brown. 



Length. Female, 8 mm. 



Hab. "Tasmania." 



This species is quite unknown to me, and Miss Eicardo 

 states that the type appears to be lost. Should any .speci- 

 Miens come to hand they should be easily distinguished by 

 the wholly violet legs. 



Subfamily Asilinse. 

 Of this subfamily five genera have been recorded from 

 Tasmania, whilst another — Dysmachus — is now added. 



Table of the Tasmanian Genera of Asilinm 



1. Style of antennse feathered. Ommatius, Wied. 

 Style of antennae not feathered. 2 



2. Wings with, three submarginal cells. 



P R o M A c H u s, Loew. 

 Wings with only two subm^arginal cells. 3 



3. Lower branch of cubital fork ending in or above 



the wing-tip ; ovipositor with a conspicuous cir- 

 clet of spines. Proctacanthus, Macq . 

 Lower branch of cubital fork ending well below 

 the wing-tip. 4 



4. Thorax with long bristles from front to back. 



Dysmachus, Loew. 

 Thorax with short bristles anteriorly, long pos- 

 teriorly. 5 



5. Ovipositor very long and laterally compressed. 



N E o I T A M u s, Ost-Sack. 

 Ovipositor short and conical. A s i l u s, L. 



34. O M M A T I u s, Wied. 



Antennas feathered ; face with a tubercle ; costal margin 

 of wings frequently inflated in the male; ovipositor small 

 and inconspicuous and not laterally compressed. 



Head distinctly broader than the thorax ; face with a 

 tubercle; moustache either scanty or bushy, frequently 

 covering the greater part of the face. Antennse with all 



