266 Records of the S.A. Museum 



narrowly biiffy-grey adjoining' the inner margins of the eyes; in the female the 

 sides of the vertex and genae are grey; a small, button-like tubercle on the vertex 

 between the antennal bases. Mesonotal praescntum bnffy, the margins with a 

 light yellowish pollen ; four narrow dark brown stripes, the intermediate pair 

 paler at their anterior ends; scutal lobes dark; scutellum and ])ostnotum dark 

 brown, dusted with grey, the postnotum with a capillary dark broAvn median line. 

 Pleura light silvery pruinose, slightly darker on the mesepisternum ; dorso-pleural 

 membranes dark brown. Halteres brown, the base of the stem yellowish. Legs 

 Avith the coxae brown, dusted with light grey ; trochanters broAvnish-yellow ; 

 femora brownish-yellow, the tips narrowly darkened ; tibiae light brown, the tips 

 dark brown; tarsi dark broAvn. Wings with a faint greyish tinge; cells Sc and 

 the stigma broAvn, the latter continued into cells Sc^ and second W ; a broAvn 

 seam at the fork of Cu. Venation: K- oblique, the terminal section gently 

 arcuated, so that cell second R^ is Avidest just beyond the base ; r is provided Avith 

 about a dozen strong macro! richiae and appears as a continuation of vein R^, 

 all the other veins excepting C being destitute of macrotriehiae ; petiole of cell 

 M^ shorter than ni; basal deflection of M^+- about equal to and parallel Avitli m; 

 m-cu obliterated by the punctiform fusion of Cu^ and M^+*. Abdominal tergite 

 one greyish-pruinose : remaining segments broAA'u, the second tei'gite more fuh'ous. 

 Ninth tergite of the male hypopygium Avith a deep Y-shaped notch, the margins 

 thus formed densely set, provided AA'ith stiff black bristles; pleural appendage 

 appearing as a simple subcla.A^ate hairy lobe. In the female, the second to fourth 

 tergites are more or less yelloAvish, the remaining tergites dark ; sternites broAA'ui.sh- 

 yelloAV. OAdpositor reddish horn-colour. In the paratype male from Scottsdale 

 the abdomen is almost uniformly broAvnish-yelloAA' and only tiA'e basal flagellar 

 segments are incrassated ; in the female, the sixth to eighth abdominal segments 

 are broadly blackened caudally. 



Hah. Tasmania: Devonport, Scottsdale, Huon River, Hol)art, King Island 

 (A. M. Lea) ; Cradle Mountain (H. J. Carter and A. M. Lea). Type, I. 12180. 



ISCHNOTOMA Skuse, 1890. 

 ISCHNOTOMA PRIONOCEROIDES sp. nov. 



General colouration dark, grey pruinose : antennae subserrate, in the female 

 sex; Avings faintly broAA-nish, sparsely variegated AA'ith AA'hitish-subhyaline areas; 

 femora dark broAA^n, the l)asal third rufous; abdomen blue-lilack, the segments 

 very narroAA'ly margined caudally AA'ith pale. 



9 Length, ll'i-lS mm.; wing. 17-3 mm. 



Frontal prolongation of the head dark, th<^ nasus comparatiA'ely short; palpi 

 broAvnish -black. Antennae dark broAvn, tAvelve-se^mented ; basal three flagellar 



