BY FREDERICK A. A. SKUSE. 107 



Head, rostrum, joints of scapus, and first joint of palpi fulvous ; 

 the last three joints of palpi and flagellar joints black ; antennte 

 as long as the head ; first flagellar joint sub-globose, third to 

 fourth ovate, progressively narrowing, the remaining four about 

 equal in length to the next preceding one, sub-cylindrical, narrow. 

 Thorax fulvous ; shining black in front of suture (which colour 

 extends back on each side to the base of the wings), with a 

 yellow spot below the humeri ; pectus shining black, covered with 

 a hoary bloom at the sides ; metanotum with a black band or two 

 black spots posteriorly. Halteres with brown club. Abdomen 

 fulvous ; first segment margined posteriorly with black, the band 

 produced anteriorly in the middle into a point, so as to make it 

 triangular ; second segment shining, margined posteriorly with 

 black, pi'oduced anteriorly in the middle into a dorsal stripe for 

 not quite half the length of the segment ; third and fourth 

 segments similarly margined with black, and with a complete 

 median black stripe; the third and following segments (also just 

 above black band of second segment) covered with a greyish 

 bloom ; venter usually with the posterior margin of the second, 

 and the third and fourth segments, shining black. Legs brownish- 

 black, the coxte and basal portion of femora, or sometimes only 

 the former, fulvous. Tarsi in all the legs more than twice the 

 length of the tibiae, in the hind legs twice and a half their length. 

 Wings with a pale brownish tint, brown in the costal cell ; 

 stigma visible, but rather pale ; veins dark brown, nearly black 

 at the base of wings. 



Hob. — Tasmania (Macquart); Mittagong, IST.S.W. (Masters), 

 Four specimens. 



Ohs. — Easily distinguished from L. Macquarti by the black 

 pectus and black markings on posterior borders of metanotum, &c. 



412. Leptotarsus scutellaris, sp.n. 



$. — Length of antennse 0-075 inch ... 1-89 millimetres. 



Expanse of wings 0-800 x 0-150 ... 20-32x3.81 



Size of body 0-540 x 0-120 ... 13-70x3-04 



