BY FREDERICK A. A. SKUSE. 379 



^ and 9. Antennae brown, the basal joints ochreous-yellow ; 

 verticils short, moderately dense, yellow ; terminal joint with a 

 slender projection ; ^ alternate joints twice the length of inter- 

 mediate, the basal half narrower, the intermediate ones globose ; 

 pedicels, except towards the base, longer than the small joints ; 9 

 subcylindrical, constricted below the middle, rather long, more 

 than twice the length of the pedicels. Front brown or brownish. 

 Hypostoma brownish or brownish-ochreous. Palpi ochreous- 

 yellow. Thorax brown or brownish, levigate, with two paler 

 convergent lines from collare to scutellum, beset with golden-yellow 

 hairs ; pleurae, scutellum, and metanotum ochreous-yellow, some- 

 times more brownish. Halteresochreous-yellow. Abdomen ochreous 

 or brownish-ochreous, clothed with yellow hairs. Legs long and 

 slender, ochreous or brovi^nish-ochreous, densely pubescent. Wings 

 pellucid, with a slightly bluish tint, covered with a pale pubescence 

 which imparts to them a whitish appearance; veins brown ; rather 

 weak margaritaceous reflections. First longitudinal vein distinct, 

 gradually running into the costa, joining opposite or somewhat 

 beyond the base of the fork of the third vein ; cross-vein in- 

 distinct, situated about middle of first longitudinal ; second longi- 

 tudinal considerably arcuated, reaching margin beyond the apex 

 of wing ; branches of the third longitudinal pale and indistinct. 

 (Descrii)tion drawn from dried specimens). 



Hab. — Sydney (Skuse) ; Dunoon, Richmond River, N.S.W. 

 (Helms) ; Burpengary, near Brisbane, Queensland (Dr. T. L. 

 Bancroft), one speci'inen in Coll. Queensland Museum. February 

 to April. 



Ohs. — Evidently approaching D. adiosta, Sk., or D. araneosa, 



Sk. 



436. DiPLOsis Helmsi, sp.n. 



(J. — Length of antennae 0-080 inch .. 2-02 millimetres. 



Expanse of wings 0-055 x 0-025 ... 1-39 x 0-62 



Size of body 0-040x0-010 ... 1-01x0-25 



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



Expanse of wings 0-057x0-025 ... 1-44x0-62 



Size of body 0-045x0-010 ... 1-13x0-25 



