BY FREDERICK A. A. SKUSE. 77 



dusky ochraceous-lii'own, with a dense yellowisli pubescence ; 

 forceps snuill, densely surronnded by hair. Legs moderately long, 

 very slender, almost cinei'eous; femora yellowish at the base. 

 Wings rather pointed at the base, and considerably rounded at 

 the apex, pellucid, with a pale bluish tint, densely and rather 

 uniformly haired, though perhaps somewhat thicker towards the 

 tip, densely ciliated, and having a pale brassy reflection. A'^eins 

 yellowish. First longitudinal vein close to the costa ; second 

 longitudinal vein almost straight, reaching the margin of the wing 

 immediately before the apex; cross vein absent ; third longitudinal 

 vein running rather close to the posterior margin, indistinct, 

 without an anterior branch. (Description drawn from dried 

 specimen). 



Hah. — Elizabeth Bay (Skusej. 



23. DiPLOSis PROBATA sp.n. 



Q. — Length of antennas 0'020 inch ... 0'50 millimetre. 



Expanse of wings 0-045 x 0-029 ... 1-13 x 0-50 



Size of body 0-040x0-010 ... M3x0-50 



Antennse greyish-brown, half as long as the l)ody ; flagellar 

 joints, sub-sessile, cylindrical, about twice as long as broad, with 

 short verticils ; basal joints yellowish-grey Hypostoma and 

 front yellowish-grey. Palpi moderately long, pale yellow, with a 

 minute pubescence. Thorax light i-eddish-brosvai, nitidous, with 

 a pale pubescence; scutellum almost lunate, pale yellow, with a 

 sparse pubescence ; pleurie yellowish-grey. Halteres pale yel- 

 lowish with a dusky pubescence, club pyriform. Abdomen 

 ytillowishferruginous, darker on the second and third dor.sal 

 segnnents ; ovipositor short, lamella) very small. Legs moderately 

 long, very slender, uniformly cinereous. Wings very narrow at 

 the >>ase and grt^atly rounded at tluj apex, pellucid, witii a very 

 pale yellowish tint, somewhat .sparingly haired, thicker towards 

 the tip, and exhibiting a most brilliant golden reflection. 

 Veins yellow. First longitudinal vein closely approximated 

 to the costa ; second longitudinal vein almost .straight, bent 



