BY FREDERICK A. A. SKUSB. 137 



black or brown, fulvous at the sides ; suctorial labella and palpi 

 black ; antennse in both sexes shox'ter than the head and rostrum 

 taken together ; joints of scapus fulvous, the second sometimes 

 brown ; flagellar joints black, the first five elliptical or subcylin- 

 drical, progressively diminishing in length and thickness, the 

 rest linear. Thorax black, with a yellowish-grey bloom ; pleurae 

 with a grey bloom ; scutellum and metathorax fulvous. Halteres 

 obscure fulvous, with a dusky club. Abdomen about three times 

 the length of the thorax, black, with a slight greyish bloom, the 

 first two or three segments more or less fulvous at the sides ; 

 genitalia brown or darker. Legs black, the femora fulvous on 

 their basal half ; coxse with -a grey bloom ; trochanters fulvous. 

 All the tarsi less than twice the length of the tibiae. Wings with 

 a pale gi'eyish-brown tint, dark fuscous in the costal cell ; all the 

 veins and the first basal cell, also usually the posterior margin, 

 somewhat infuscated with greyish; veins black; stigma brownish; 

 the seventh longitudinal vein running close to and parallel with 

 the margin. 



Hah. — Benalla, Victoria (Helms'). Six specimens in Nov- 

 ember. 



EXPLANATION OF PLATES. 



Plate iv. 



Fig. 1. Wing of Dolkhopeza longifurca ( $ ). 



Fig. 2. ,, ,, varipes. 



Fig. 3. ,, Tanypremna fastidiosa. 



Fig. 4. ,, Ctenogyna bicolor ( $ ). 



Fig. 5. Clytocosmus Helmsl (<?), perfect insect (natural size); 5a, 

 antenna of <? , 5b, terminal three joints ; 5c, head viewed 

 from the side ; 5d, antenna of $ , 5e, three flagellar joints 

 viewed from the side, 5f, terminal three joints. 



Fig. 6. Wing of Ftilogyna ramicornis ($). 



Fig. 7. ,, Plaiyphasia princeps ($). 



Fig. 8. ,, Plusiomyia gracilis (^). 



Fig. 9. „ „ OUiffi($). 



