BY FREDERICK A. A. SKUSE. 75 



20. DiPLOSIS ABBREVIATA, Sp.ll. 



Q. — Length of antenna? 0025 inch ... 0-62 millimetre. 



Expanse of wings 0-040 x 0-015 ... 1-01x0-38 



Size of body 0-0i5x 0-010 ... 1-13x0-25 



Antennte grey, sub-cylindrical, joints somewhat darker than the 

 pedicels, basal joints large, sub-globular, very pale, almost white, 

 terminal joint apparently in an imperfectly develojied condition, 

 more slender than the preceding, verticils long, greyish. Head 

 grey. Hypostoma and front yellowish ; palpi pale, slender. Thorax 

 yellowish-grey, nitidous, with two rows of long pale hairs from 

 the collar to the scutellum ; scutelluni yellowish, haired ; pleurte 

 pale yellowish-grey. Halteres bright yellow, stalk at base of 

 knob darker. Abdomen reddish-yellow, covered with a fine pubes- 

 cence ; ovipositor short, very small oval yellow lamellaj. Legs 

 short, uniform yellowish-grey, with a long pubescence on the 

 femora and tibiae, shorter on the tarsi. Wings pellucid, with a 

 very pale bluish tint, thickly haired, and having a pale brassy 

 reflection ; fringe long. Veins yellowish ; first longitudinal close 

 to the costa ; second longitudinal vein almost straight ; cross-vein 

 indistinct ; third longitudinal most indistinct, the anterior branch 

 being next to invisible. (Description drawn from fresh specimen). 



Hab. — Sydney (Skuse). November. 



21. DiPLOSIS AKDENs, sp.n. 



^. — Length of antenna? 0-025 inch ... 0-62 millimetre. 



Expanse of wing.s 0-045 x 0020 ... 1-13 x 0-50 



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



Antennie brown, more than half as long as the wings, joints 

 sub-sessile, cylindrical, aljout twice as long as broad, with 

 yellowish verticils ; terniinal joint .somewhat conical. Hypostoma 

 and front l>rown. Palpi rcddish-yollow. Thorax dull castHneou.s, 

 with the two longituilinal rows of hairs sparse, yellowish ; 

 scutellum roddish-biown, witli a yellowish tinge on the posterior 



