394 



DIPTERA OP AUSTRALIA, 



opposite the base of the fork ; cross-vein distinct, situated beyond 

 the middle of the first longitudinal ; petiole almost as distinct 

 as the fork, the length of the posterior branch ; branches not 

 divergent at the tips ; both arcuated at the base, fg three times 

 the length of gh ; kl slightly shorter than Im. 



Hah. — Mount Lofty, near Adelaide, South Australia (J. G. O. 

 Tepper) / tivo specimens in Coll. Adelaide Museum. October and 

 November. 



448. SciARA PROMiscuA, sp.n. 



9. — Length of antennse 0053 inch ... 1-27 millimetres. 



Expanse of wings 0-150 x 0-055 ... 3-81 x 139 



Size of body 0-155x0-025 ... 3-93x0-62 



Antennae slender, rather longer than head and thorax combined; 

 black or deep brown, densely covered with short pale yellowish 

 pubescence ; joints of the scapus deep brown, sparingly pubescent ; 

 flagellar joints sub-sessile, 2 to 2i times as long as broad, the 

 terminal joint slender. Head black, almost opaque. Eyes con- 

 tiguous above. Palpi deep brown. Thorax black, sub-levigate, 

 with two longitudinal, convei-gent rows of tolerably long black 

 hairs to the scutellum ; lateral borders and scutellum also with 

 moderately long black hairs; humeri very slightly tipped with 

 yellowish-brown. Halteres black or very dark brown, yellowish 

 towards base of stem. Abdomen very deep i-eddish-brown, the 

 posterior segments black ; clothed with very short brown hairs ; 

 lamellae of the ovipositor black, oval. Legs pitch brown, the tip 

 of first and the following joints of tarsi black. In fore- and inter- 

 mediate-legs the tibi« somewhat longer than the tarsi ; in the 

 hind-legs the tibee ^ longer than the tarsi. Spurs honey-yellow, 

 the length of fourth tarsal joint. First joint of the tarsi 2i 

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

 and equal to tourth and fifth taken together ; fifth joint rather 

 longer than the fourth. Wings pellucid, greyish-brown ; the costal 

 and first two longitudinal veins brown ; margaritaceous reflec- 

 tions. First longitudinal vein joining opposite or slightly beyond 

 the base of the fork ; cross-vein distinct, situated somewhat 



