390 DIPTERA OP AUSTRALIA, 



densely covered with extremely microscopic pubescence inter- 

 mixed with very short (but much longer) hairs ; costa, first and 

 second longitudinal veins and cross-vein brown, distinct, the rest 

 pale ; rich cupreous reflections. First longitudinal vein joining 

 costa before the middle and a little beyond the cross-vein ; cross- 

 vein obliquely situated ; second longitudinal uniting with the tip 

 of costa opposite the middle of the fork ; the fork rather more than 

 twice the length of the petiole, its anterior branch reaching the 

 margin immediately below the apex of the wing ; fourth longi- 

 tudinal vein branching at the base of wing. 



Hah. — Sydney (J. D. Ogilby). One specimen in June. 



Obs. — This is the first species of Lestremia described from 

 Australia. The venation is similar to that figured by Winnertz 

 (V. z-b. G. Wien, XX. 1870, pi. ii. fig. 1). 



Fam. SCIARID^. 



Genus Sciara, Meigen. 

 Sciara, Meig., I.e., p. 672. 



I. First longitudinal vein joining the costa opposite or 



BEYOND the BASE OF THE FORK. 



A, Halteres black or brown, the stalk wholly or partly yellow, 



yellowish or whitish. 



1. Palpi black or brown. 

 A. Cross-vein situated before the middle of the first longitudinal 



vein. 



b. Tip of the second longitudinal vei7i and tip of the posterior 

 branch of the fork equally near the apex of the wing. 



445. Sciara recondita, sp.n. 



$. — Length of antennae 0-057 inch ... 1-44 millimetres. 



Expanse of wings 0-125 x 0-045 ... 3-16 x 1-13 



Size of body 0-110x0-020 ... 2-79x0-50 



