234 DIPTERA OF AUSTRALIA, 



ochreous-brown or brown, sometimes with a small perpendicular 

 oblong brown spot under the origin of the wings ; pectus light 

 reddish-brown to deep brown ; scutellum yellow or sordid yellow, 

 fringed with pale yellow hairs ; metanotum usually dark brown, 

 sometimes lighter, Halteres yellow. Abdomen about three 

 times length of thorax, clothed with pale yellow hairs, more 

 or less dark brown, posterior borders of segments sometimes 

 slightly fulvous. Legs yellow or pale ochre-yellow ; tarsi more 

 or less brownish or dusky. Tibial spurs deep brown or black. 

 In fore legs metatarsus twice length of tibia. Wings shorter than 

 abdomen, hyaline, weakly iridescent ; costal, first and third 

 longitudinal veins, middle cross-vein, and basal half of fourth 

 longitudinal distinct, ochreous-brown. Costal and third longi- 

 tudinal veins meeting somewhat before apex of wing ; auxiliary 

 very pale and indistinct, reaching the costa opposite or somewhat 

 beyond middle of posterior branch of fifth longitudinal fork ; 

 second longitudinal vein very pale, especially towards tip, termi- 

 nating at a point about ^ distance from tip of first longitudinal 

 to that of third longitudinal ; fourth longitudinal very pale 

 beyond cross-vein, almost reaching wing-margin, its tip situated 

 at a point not ^ the distance from tip of third longitudinal vein 

 to that of anterior branch of fifth longitudinal fork ; base of latter 

 lying a little beyond middle cross-vein, its posterior branch nearly 

 § the length of anterior. 



Ilab. — Lawson, Berowra, and Sydney, N.S.W. (Masters and 

 Skuse). 



223. Chironomus intertinctus, sp.n. 



(J. — Length of antennae 0*075 inch ... 1*89 millimetres. 



Expanse of wings 0'150 x 0-032 ... 3-81 x 0-80 



Size of body 0-240 x 0*037 ... 6*09 x 0-92 



c^. — Length of antennae 0"032 inch ... 0*80 millimetres. 



Expanse of wings 0-150 x 0*037 ... 3-81x0-92 



Size of body 0-200x0037 ... 5-08x0-92 



