BY FREDERICK A. A. SKUSE. 71 



in D. plumhea. Coxse and femora red-ochraceous, the latter with a 

 black line along the upper side. Remaining joints black, with a 

 slight reddish tinge. Wings considerably rounded ; almost hyaline; 

 rather densely pubesceiit particularly towards the tip, moderately 

 ciliated ; displaying brilliant roseous, yellow, and chalybeous 

 reflections when viewed in a certain light. First longitudinal vein 

 short, close to the costa ; cross-vein not apparent ; second longi- 

 tudinal vein nearly straight, joining the mai'gin either at or 

 immediately beyond the apex of the wing ; third longitudinal vein 

 indistinct. (Description drawn from fresh specimen), 



Hab. — Sydney (Skuse). January. 



Obs — This species approaches D. plumbea very closely, but it is 

 certainly distinct. 



15. DiPLOSIS BREVIPENNIS, Sp.n. 



(J. — Length of antennae 0-060 inch ... 1-54 millimetres. 



Expanse of wings 0-055 x 0-025 .. 1-39 x 0-6-2 



Size of body 0060x0-015 ... 1-54x0-38 



Antenna? brownish, with short greyish-yellow verticils, basal 

 joints yellowish-brown ; joints of the flageilum somewhat longer 

 than the pedicels ; alternate joints about double the size of the 

 intermediate ones, last joint ending in a very minute ni])ple-shaped 

 appendage. Head black, with some long greyish-yellow hairs on the 

 vertex. Palpi pinkish. Thorax deep reddish-brown, appearing 

 almost black anteriorly, levigate, with two patches of greyish- 

 yellow recumbent hairs, diverging from the humeri ; collare deep 

 reddiiih-brown ; pleuno light reddish-brown. Halteres pale 

 raddish-brown. Abdomen light reddish- biown, paler between the 

 segments, with greyish-yellow hairs ; forceps deep brown, den.sely 

 haired. Leg.s very short. Coxao light reddish-brown. Femora 

 tinged with light reddish-brown at the base, the middle greyish- 

 yellow, and the tip dark reddish-biown. Tibiai .sordid greyish- 

 yellow, whitish at the base, and pah; rtiddLsh-brown at the extreme 

 tip. Tarsi sordid greyish-yellow, with pale articulations, appear- 

 ing cinereous when vi(!wed in a certain light. Wings pale 



