BY FREDERICK A. A. SKUSE. 237 



middle cross-vein, not reaching wing-margin, its tip situated at 

 a point ^ the distance from tip of costa to that of anterior branch 

 of fifth longitudinal fork ; latter very pale, its base lying opposite 

 middle cross-vein, posterior branch J the length of anterior. 



]g;ah. — Clifton, Illawarra district, N.S.W. (Skuse). December. 



225. Chironomus Hexhamensis, sp.n. 



(J. — Length of antennae 0-055 inch ... 1-39 millimetres. 



Expanse of wings 0-120 x 0030 ... 3-04x0-76 



Size of body 0-200x0-023 ... 5-08x0-58 



Antennae light ochreous-brown ; first joint of scapus fulvous. 

 Head, clypeus, and palpi ochreous-brown. Thorax, pleurce, 

 scutellum, and abdomen prasinous ; three bands of thorax, 

 pectus, and metanotum fulvous. Halteres pale yellow. Abdo- 

 men three times the length of thorax, rather densely clothed with 

 yellow hairs; anal joint and forceps light ochreous-brown, densely 

 haired. Coxao and femora prasinous. Tibiae greenish-yellow, 

 apical spurs black or deep brown. Tarsi dusky, except meta- 

 tarsi of intermediate and hind legs, which are more or less 

 yellowish or fulvous. In fore legs tibiae not quite | the length 

 of metatarsus. Wings shorter than abdomen, hyaline, with a 

 weak reflection, all the veins tolerably distinct, brownish. Costal 

 and third longitudinal veins meeting somewhat before apex of 

 wings ; auxiliary vein reaching costa opposite tip of posterior 

 branch of fifth longitudinal fork ; second longitudinal vein 

 running close to first longitudinal, pale, terminating in the costa 

 a short distance past tip of latter ; fourth longitudinal pale past 

 middle cross-vein, indistinctly reaching the margin, its tip some- 

 what nearer to tip of costa than to that of anterior branch of fifth 

 longitudinal fork ; base of the latter almost opposite, but some- 

 what beyond, middle cross-vein, its posterior branch about half the 

 length of the anterior. 



Hah. — Hexham, near Newcastle, N.S.W. (Skuse) ; Adelaide, 

 S. Australia (Coll. Adelaide Museum, Mr. T. P. 0. Tepper). 

 December to April. 



