240 DIPTERA OF AUSTRALIA, 



Antennae light ochreous-yellow; joints of scapus reddish-brown. 

 Head, face, clypeus and palpi brown, with a yellow pubescence. 

 Thorax ochre-yellow, with no anterior stripe, two lateral stripes 

 of brown posteriorly, and an intermediate narrow stripe of same 

 colour not reaching scubellum; pleurae ochre-yellow; pectus tinged 

 with brown ; scutellum pale yellow ; metanotum ochreous-brown 

 with a darker median line. Halteres pale yellow. Abdomen 

 nearly three times the length of thorax, pale yellowish-green, with 

 a rather dense covering of pale yellow hairs ; anal joint and 

 forceps narrow, yellowish-green. Legs light ochre-yellow (tarsal 

 joints of the fore legs lost) ; tibial spurs black. Wings nearly the 

 length of abdomen, pellucid, almost hyaline ; costal, first and 

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

 longitudinal veins yellow, distinct. Costal and third longitudinal 

 veins meeting a short distance before apex of wing; auxiliary vein 

 pale, indistinct towards tip, apparently terminating in costa at a 

 point about § the distance from middle cross-vein to tip of first 

 longitudinal vein ; second longitudinal vein very pale, running 

 close to third longitudinal for greater part of its length, joining 

 costa a short distance beyond tip of first longitudinal ; fourth 

 longitudinal pale beyond the middle cross-vein, very nearly 

 reaching wing-margin, its tip situated at a point nearer to tip of 

 costal than to that of anterior branch of fifth longitudinal fork ; 

 base of latter considerably beyond middle cross-vein, its posterior 

 branch half the length of anterior. 



Hah. — Knapsack Gully, Blue Mountains (Masters). One speci- 

 men in September. 



229. Chironomus pulcher, sp.n. (PI. xi., fig. 3). 



$. — Length of antennae 0-014 inch ... 0*35 millimetre. 



Expanse of wings 0-075x0-027 ... 1-89x0-68 



Size of body 0*075x0-016 ... 1-89x0-40 



Antennae brownish-green, basal joint more yellowish. Head 

 green, the face, clypeus, and palpi brownish-green. Thorax 



