696 DIPTERA OF AUSTRALIA, 



Hah. — Tentei-field, New England (Skuse). February. 

 Obs. — The only specimen I have seen of this 1 took from a 

 cobweb. 



115. SCIARA KRRATICA, S]».ll. 



Q. — Length of antennae 0-030 inch ... 0-76 millimetre. 



Expanse of wings 0-085 x 0-030 ... 2-14x0-76 



Size of body 0090x0-015 ... 2-27x0-38 



Antennae slender, one-third the length of the body, black or 

 deep brown, with a .short deu.se yellowish pubescence ; joints of the 

 .scapus brown, with a very short sparse pubescence ; flagellar 

 joints sub-sessile, 2 to 2.^ times as long as broad. Head black, 

 with a short, rather sparse, yellowish pubescence, iiyes contiguous 

 above. Palpi brown. Thorax black, levigate, with three longitu- 

 dinal double rows of yellowish hairs, coalescent at the scutellum: a 

 few lateral hairs before the humeri ; scutellum l>lack with some 

 shoi-t yellowish hairs. Halteres pale brown, ocliraceous at the base, 

 with a few very short hairs. AVjdomen deep umber-brown, pale 

 i>etween the segments, spar.sely clothed with a moderately long 

 yellowish pubescence ; lamellae of the ovipositor very small, 

 umber-brown, elliptical, not vei-y densely pubescent. Co.xje 

 honey -yellow, with a few longish yellow hairs. Femoia, tibiae 

 and tai-si ochraceous-brown, the two latter, particularly the 

 terminal joints of the tarsi, darker on account of tlieir dense 

 pubescence. In the fore-legs the tarsi about \ longer than the 

 tiliiie ; in the intermediate-legs the tibiae almost imperceptibly 

 longer than the tarsi : in the hind-legs the tibiai only a little longer 

 than the tar.si. Spurs very short. First joint of the tarsi 2i times 

 the length of the second ; second joint 5 longer than the third ; 

 third joint about \ longer than the foui-th and a little longer than 

 the fiftli. Wings almost hyaline, with a yellowish tint, margarita- 

 ceous reflections when viewed at a certain obliquity. Veins 

 yellowish-Vjrown. First longitudinal vein reaching the costa con- 

 .siderably before the base of the fork, and about opposite to the 

 tip of the posterior branch of the fourth longitudinal vein ; cross- 

 vein somewhat indistinct ; petiole almost invisible, somewhat 



