98 REVISION OF THE STRATlOMYIDiE OF AUSTRALIA, 



ACANTHASARGUS GRACILIS, Sp nOV. 



Face yellow above, black below; front and thorax black; scu- 

 tellum black, with the two spines and margin between the spines 

 yellow; abdomen purple-black, legs yellow; wings with a brownish 

 cloud across the discal cell. Length, ^, 6'5mm. 



Hab, — Victoria (Gippsland). 



Female. —Head less produced than in A. palustris, with ^ 

 yellow rim behind the eyes. Face with the upper part imme- 

 diately adjoining the antennfe yellow, the remainder black. 

 Antennse black. Front black. Thorax deep black, minutely 

 punctate; scutellum black, with the two spines, and margin be- 

 tween the spines, yellow. Abdomen purple-black, broader than 

 in A. palustris, with a little, white pubescence at sides. Legs 

 yellow, the tarsi a little brownish towards the tips. Wings with 

 the four, posterior veins somewhat indistinct, but nearly reaching 

 the wing-margin; stigma brown, and a slight brownish cloud 

 covering the region of the discal cell. 



This species bears a close resemblance to A. pahimti'is, but may 

 be distinguished without difficulty by the yellow, instead of 

 black, scutellar spines. It seems to be generally scarce. 



Systematic List of the Stratiomyidoi of Atistralia. 

 STRATIOMYID.^. 



B E R I N iE. 



Cryptoberis, gen.nov. 



hebescens, sp.nov. ... ... New South Wales. 



Metoponia Macq. 



rubriceps Macq. ... ... Tasmania. 



australis Macq. ... ... "Australia." 



Xanthoberis, gen.nov. 



siliacea, sp.nov. ... ... New South Wales. 



AcTiNA Meig. 



incisuralis Macq., (filipalpis New South Wales, Victoria, 



Macq.) Tasmania, Queensland. 



costata White ... ... Tasmania. 



