BY C. P. ALEXANDER. 587 



6. Length, 20—26 mm.; wing, 21—23.5 mm. 2. Length, 35 mm.; wing, 

 25 mm. 



Frontal prolongation of the head light brown, darker apieally above; palpi 

 dark brownish-blaek. Antennae black, the second segment more reddish; pectin- 

 ations of female antennae shorter than those of male. Head black, the orbital 

 region light brown, especially behind; vertex anteriorly more or less pruinose. 



Praescutum dark velvety black with four gTeyish-brown stripes that limit 

 the groiind-colonr to the lateral margins of the sclerite and the anterior ends of 

 the interspaces, the latter behind more yellowish; humeral region restrietedly 

 pale; remainder of mesonotum gTey or yellowish-grey in the female, the scutellum 

 blackened. Pleura grey, conspicuously striped longitudinally with silvery white 

 and brown; the broad silvery stripe includes the mesepisternum, mesepimeron 

 and lateral sclerites of postnotum. Halteres dark brown. Legs with the coxae 

 brownish-grey; trochanters brown; femora brownish-yellow," the tips narrowly 

 blackened, these measuring less than 3 mm.; tibiae similar, the tips still more 

 narrowly blackened; metatarsi dark brown, passing into black; remainder of tai-si 

 black. Wings infuseated, the base and costal region broadly bright brown; a 

 faint brown clouding along the cord, more evident along the first section of M3+4; 

 Cu seamed with brown; stigma small, pale brown. Venation: Ro+s subequal to 

 Rs, sometimes a little longer or shorter; r at fork of R2+3; r-m short, in some 

 cases obliterated by the short fusion of E4+5 on Mi.,. 2; cell Mi varying from 

 short-petiolate to rather broadly sessile; m-cu short to punctiform; cell 2nd A 

 broad. 



Abdomen with the first segment grey; second segment reddish basally, with 

 three black stripes that are confluent posteriorly; segments three to five black 

 with a faint reddish sublateral spot at base; remainder of tergites black, pruinose; 

 hypopygium reddish; basal sternites reddish, the terminal segments gxey pruinose. 

 In the female, the tergites are conspicuously reddish, comparatively narrowly 

 trivittate with black, the median stripe much broader than the lateral stripes. 

 Ovipositor with the valves deep horn-colour. 



Hfflb.— New South Wales. 



Holotype, c?, Dorrigo, altitude 2,000 feet, January, 1922 (W. Heron). Allo- 

 topotype, ?. Paratopotypes, 2 d', 1 2. 



Leptotaesus iiACQUARTi Guerin. 



1838. Leptotarsits macquarti, Guerin, Voy. de la Coquille, Zool. ii.. Dipt., 

 p. 286, PI. XX., fig. 1. 



Victoria: Seaford (W. F. Hill), Tooradin, February 3, 1918 (G. F. Hill), 

 near Melbourne (G. F. Hill), Alexander Coll. 



Leptotarsus scutellaeis Skuse. 



1890. Leptotarsus seutellaris, Skuse, Proe. Linn. Soc. N.S.W., (2), v., 107- 

 108. 



New South Wales: Blackheath, January, 1904 (R. Helms), Coll. Bishop 

 Museum. 



Leptotarsus nigrithorax (Maequart). 



1850. Tipula nigrithorax, Maequart, Dipt. Exot., iv., 15, PL 1, fig. 5. 



New South Wales: Mittagong (A. M. Lea), Coll. South Australian Museum. 

 Habromastix pergraxdis, n.sp. 



Size very large (wing of 2, 23 mm.) ; general colouration dark brown; inner 

 margin of eyes narrowly bordered with dull fulvous; wings darkened, narrowly 



