232 Records of the S.A. Museum 



Rostrum light brown; palpi dark brown. Antennae dark brown. Head 

 yellow, the middle of the vertex and the oeeipnt brown; vertex between the eyes 

 very narrow. Pronotnm grey, more infuscated medially. (Praeseutnm destroyed 

 by the pin.) ISeutellum and postnotum dark brown, sparsely greyish pruinose. 

 Pleura reddish-yellow, with a large brown blotch on the mesepimeron and another 

 on the lateral selerites of the postnotum, tin; surface sparsely pruinose. Halteres 

 obscure yellow, the knobs dark brown. Legs with the coxae infuscated; 

 trochanters brownish-yellow; femora yellow with a broad dark brown subterminal 

 i-ing, ])receded and followed by a narrow, bi-ighter yellow annulus; tibiae 

 brownish-yellow, the tips narrowly infuscated, the bas(» a little darkened; basal 

 two tarsal segments brownish-yellow, the tips darkened ; i-emainder of the tarsi 

 dark brown. Wings subhyaline, cells C and Se light yellow; stigma large but 

 not solidly filled in, brown; conspicuous brow^n seams as follows: At Sc^; at the 

 origin of Ks ; along the cord and outer end of cell first M^ and as conspicuous 

 seams along veins R-+"^, M^+2^ ]y[3^ (j^^i^ ^^2^ .^^^^ ^j^g ,^^^^\ veins; anal angle of the 



wing narrowly darkened. Venation: 8c^ ending a short distance beyond the 

 fork of Rs ; Rs long, strongly arcuated for a member of this genus ; r a short dis- 

 tance from the tip of R^, Avhich is bent strongly into the costa; inner ends of cells 

 R"^, R'' and first M- about in alignment ; r-m about equal to the deflection of R*+^ ; 

 m about equal to the outer deflection of M^, but much more arcuated; vein 

 second A short and strongly arcuated. Abdominal tergites dark brown, the 

 hypopygium a little more reddish ; sternites reddish-yellow with a faint greenish 

 tinge, the segments broadly and conspicuously bordered laterally with black. 

 Hub. Queensland: Mount Tambourine (A. M. Lea). Type, I. 12142. 



LIBNOTES OBLIQUA sp. nov. 



General colouration of the thorax obscure broAvnish-yellow ; wings subhyaline, 

 the stigma small and indistinct ; Rs short and straight, in alignment with the 

 deflection of R*+'' ; a supernumerary cross-vein in cell Sc^ before r. 



9 Length, about 5-5 mm.; wing, 7-3 mm. 



Rostrum and palpi dark brown. Antennae with the scapal segments light 

 brown (flagellum broken). Head light grey. Pronotnm obscure yellow, more 

 brownish medially. Mesonotum obscure brownish-yellow, without distinct 

 darker markings. Pleura obscure yellow. Halteres brownish-yellow (the knobs 

 broken). Legs with the coxae obscure brownish-yellow, the outer faces slightly 

 infuscated; trochanters obscure yellow; femora brownish-yellow (broken shortly 

 beyond their bases). Wings subhyaline. the stigmal spot very small and indis- 

 tinct; veins brown. \'enation: Sc moderately long, ending opposite r-m, Sc- 

 at the tip of Sc^ ; Rs very short and straight, about twice the deflection of R^+^ ; 



