40 THE DIPTERA-BRACHYCERA OF TASMANIA, 



Chrysopilus rufipes, Macq. 



Thorax black, unstriped, with golden pile; abdomen black, 

 with golden pile in the male, and very pale yellow pile in the 

 female; femora light brown, the anterior pair blackish on 

 basal half above. 



Length. Male, 7-9 mm ; Female, 9 mm. 



Hab, Tasmania (generally distributed). 



Male. Head, with the eyes joining, and occupying all the 

 front except a lengthened triangular patch above, which is 

 black; lower face grey. Palpi and antennse black. Thorax 

 velvety black, scntellum and abdomen dull olive-black, all 

 decked in life with golden pile ; abdomen with long whitish 

 hairs along each side. Legs light brown, anterior femora 

 blackish on basal half. Wings broad, with the veins and 

 stigma light brown. 



Female resembles the male, but the eyes are widely sepa- 

 rated, the front brown, the abdomen produced into a long 

 narrow ovipositor, and the j-ilf, though golden on the thorax, 

 is a j>ale whitish yellow on the ab'lomen. 



In the male this species may be readily distinguished from 

 C. tasmaniensis, next to be described, if examined below, 

 there being a striking contrast between the very dark coxse 

 and the light brown femora, whereas in C. tasmaniensis the 

 coxae and femora below are uniformly dark. C. rujipes may 

 also be distinguished by its larger size, and by the tiiorax 

 being velvety black and unstriped, instead of drab and 

 striped. 



A slight variation in the neuration of the wings occurs in 

 both sexes, the up|)er branch of the cubital fork sometimes 

 possessing a small recurrent veinlet. 



This species differs in its habits from most species of 

 Chrysopilus in being I y no means confined to the neighbour- 

 hood of water. It is an insect of the l>ush, where it may be 

 found frequenting vegetation. I have met with it from 

 December 8 to February 18 



Chrysopii.us tasmaniensis, Sp. nov. 



Thorax drab, wifli a narrow black median stripe; abdomen 

 banded with black and drab ; femora black; pile in the male 

 pale yellow. 



Length. Male, 5-6 mm. 



Hab. H<»b.rtand Bagdad Valley. 



Male. Head, with tlie eyes joining, and occupying almost 

 all the front, tiie visilile front being confined to the vertex. 

 Lower face grey. P;il).i and antennae black. Thorax drab, 



