810 DIPTERA OF AUSTRALIA, 



light, traversed by two sparse longitudinal vows of brown hairs ; 

 an ill-defined brownish stripe in the pleurae from neck to base of 

 wings (not visible in some specimens) ; pleurae, metathorax and 

 abdomen light reddish-brown in some specimens ; horny append- 

 ages of male forceps black ; ovipositor of female concolorous with 

 rest of body. Halteres yellow. Legs yellow, sericeous. Femora 

 with two brownish or black rings (generally darker in the 

 male) on apical half ; the tibiae of the fore legs in the male 

 with a black slightly swollen ring just beyond the base ; tips of 

 tibiae and of tarsal joints a little infuscated. Wings pellucid, 

 with a yellow tint ; veins yellow with long yellow hairs ; a peculiar, 

 very small, cuneate black marking between the auxiliary and first 

 longitudinal veins immediately beyond the humeral cross- vein. 



Hah. — Sydney, Blue Mountains, and Hogan's Brush near 

 Gosford, N.S.W. ; August to January (Masters and Skuse). 



Ohs. — Thirteen specimens for comparison. 



331. MOLOPHILUS FLAVONOTATUS, Sp.n. 



(J. — Length of antennae 0'070 inch ... 1-77 millimetres. 



Expanse of wings 0-180 x 0-047 ... 4-56 xM8 



Size of body 0-120x0-025 ... 3-04x0-62 



Head brown, tinged with yellow, with white pubescence ; 

 rostrum and palpi black ; antennae greyish, the basal joints 

 ochreous ; flagellar joints fusiform, with white verticils, Collare 

 sulphur-yellow, somewhat tinged with brownish. Thorax rich 

 brown, the humeral region and lateral borders sulphur-yellow ; a 

 spot on each side above the origin of wings, the scutellum, lateral 

 borders of metanotum and origin of wings brownish-testaceous or 

 ochreous. Halteres pale with sericeous white pubescence. Abdo- 

 men somewhat ochreous-brown, clothed with white hairs ; forceps 

 brownish-testaceous, the tips of the horny appendages black. 

 Coxae brownish-testaceous or ochreous. Remaining joints greyish, 

 their tips a little infuscated ; tibiae of the fore legs with a slightly 



