260 



DIPTERA OF AUSTRALIA, 



Genus 4. Doloplastus, gen.nov. 



Antennae 2- + 6-jointed in (J, otherwise as in ^ of preceding 

 species. Wings naked. Third longitudinal vein nearly straight. 

 Costal vein extending a little beyond tip of third loDgiturlinal. 

 Posterior branch of fifth longitudinal fork straight. Legs uni- 

 coloured. In fore legs metatarsus considerably shorter than tibia. 

 ^ forceps robust. 



INDICES OF ALAR AND TARSAL PROPORTIONS. 



252. Doloplastus monticola, sp.n. (PI. xn., fig. 15). 



(J. — Length of antennae 0-012 inch ... 0*30 millimetre. 



Expanse of wings 0'047x0'012 ... MSxO'SO 



Size of body 0-075 x 0-012 ... 1-89 x 0-30 



Antennae light brown or ochreous-brown. Head, face, and 

 clypeus dark brown or brownish-black. Palpi ochreous-brown. 

 Thorax dark brown or brownish-black, opaque, with two loDgitu- 

 dinal rows of yellowish hairs ; pleurae and pectus dark brown or 

 brownish-black ; scutellum brown, sometimes brownish-ochreous ; 

 metanotum dark brown or brownish-Wack. Halteres brown or 

 brownish. Abdomen twice to twice and a half the length of 

 thorax, dark brown or brownish-black, opaque, with a short yellow 

 pubescence; anal joint and forceps dark brown or brownish-black, 



