BY FREDERICK A. A. SKUSE. 77 



having a short, tooth-like branch on each side ; ninth joint almost 

 fusiform, tenth filiform growing gradually thicker towards the 

 apex, both beset with hairs ; terminal joint very small. Pro- 

 thorax black. Thorax reddish-fulvous above, the anterior margin 

 bordered with a hoary white line, ap])lied to which is a more or 

 less well-defined black spot, extending backwards sometimes as far 

 as half way to the transverse suture, traversed along the middle by 

 a more or less distinct white line which issues from theline alongthe 

 anterior margin ; the mesothorax more or less distinctly bordered 

 laterally and posteriorly with a hoary white line ; humeral pits 

 black ; pleursi velvety black, mottled with several brown and 

 white spots ; transverse suture black at the middle, forming a 

 triangular spot, from the posterior angle of which a dark line 

 extends backwards to the scutellum ; scutellum velvety black, 

 with two sub-triangular hoary white spots ; metanotum velvety 

 ■^lack. Halteres black. Abdomen velvety black ; first segment 

 slightly bordered with whitish or greyish antei'iorly, with a round 

 white spot on the sides ; second marked near the hindmargin, from 

 each side, with a white transverse stripe ; third, fourth and fifth 

 with four more or less equidistant white spots, the two intermediate 

 spots on the fifth segment larger, oblong, sometimes confluent with 

 the lateral spots ; sixth segment with a white spot on each side ; 

 anal segment and genitalia entirely reddish-fulvous in both sexes ; 

 venter more or less tinged with obscure reddish-fulvous and some- 

 times with a beautiful yellowish-white bloom when viewed at a 

 certain obliquity. Legs black ; the coxEe marked with a large 

 hoary white spot. Wings with a pale fulvous tint, moi'e distinctly 

 anteriorly ; veins fulvous ; stigma indistinct. 



Hab. —Moonhsir, Mount Kosciusko, 3-3500 ft., N.S.W. (Helms). 

 Three specimens in Coll. Australian Museum. March. 



Ohs. — This magnificent insect is dedicated to its discoverer Mr. 

 R. Helms. 



Section III. TIPULINA. 



This section is as diflicult to define as the Dolichpoezina and 

 Ctenophorina, and possibly will ultimately be subdivided. 



