BY FREDERICK A. A. SKUSE. 705 



before the base of the fork and somewhat before the tip of the 

 posterior branch of the fourth longitudinal ; petiole paler than 

 the fork, longer than the anterior branch ; branches, particularly 

 the posterior one, little arcuated, making the fork rather angular 

 at the base ; tips non-divergent, fg a little more than 3 times 

 the length oi gh; hi somewhat shorter than Im. 



Hah. — Elizabeth Bay (Skuse). May. 



2. Palpi yellow. 



B. Ci'oss-vein situated at the middle of the first longitudinal 

 vein. 



b. Tip of the second longitttdinal vein and tip of the 'posterior 

 branch of the fork equally near the apex of the wing. 



123. SCIARA LUCULENTA, Sp.n. 



5. — Length of antennae 0*085 inch ... 2-14 millimetres. 



Expanse of wings 0-120x0045 ... 3-04xl-13 



Sizeofbody 0-120 x 0-020 ... 3-04x0-50 



Antennae slender, more than two-thirds the length of the body, 

 black, with a short dense pubescence ; joints of the scapus light 

 pitch -brown, with a few golden-yellow hairs longer than the 

 pubescence of the flagellar joints ; flagellar joints sub-sessile, 

 2J to 4 times as long as broad, the terminal joint rather longer 

 than the preceding. Head black, with a greenish reflection. 

 Eyes contiguous above. Palpi pale yellow. Thorax ferru- 

 ginous-ochraceous, levigate, with three longitudinal double rows 

 of short golden-yellow hairs, the lateral ones also with a 

 row of moderately long black hairs ; intermediate row reaching 

 almost as far as the lateral ones, which extend nearly to 

 the scutellum ; a few long black hairs, with some short golden 

 yellow hairs, between the origin of the wings and the humeri ; 

 scutellum with a few very long black hairs interspersed with a 

 sparse short golden-yellow pubescence. Halteres pale brown with 

 a few short hairs, stem honey-yellow. Abdomen deep brown, 



