1-iO ]\Ir. J. R. Malloch on Exotic Muscavidre. 



with two posterior hri'^iles: liind fomiir witli bristles on apical 

 half of antero-vciitral surface ; liiud tibia with two antero- 

 ventral and two aulero-dorsal bristles. Outer cross-vein 

 curved ; first posterior cell not narrowed apically. 



Length 5o mm. 



Type^ Maugalore, Tasmania, 28. viii. TJll {A. White). 



Helina antarctica, Bigot. 



A species very similar to micans^ sp. n., in habitus. 



Re[)rescnted by one male and two females from Mangalore, 

 and one male from Hobart, Tasmania, October and November 

 {A. White). 



Helina pceciliventris, sp. n. 



This and the next two species are very closely related and 

 resemble the group to which the European species duplicuta, 

 Meigen, belongs, but the eyes are hairy and there is no bristle 

 near base of hind tilna on the postero-dorsal surface. 



Male and female. — Black, shiniiig, with dense greyish 

 pruinescence. Thorax with four blackish vittse. Abdomen 

 with paired dorsal spots. Legs black. Wings slightly 

 yellowish, inner cross-vein broadly, outer narrowly infuscated. 

 Calyptree yellow. Halteres dull yellow. 



Male. — Eyes hairy ; narrowest part of frons about as wide 

 as third antenual segment ; orbits sctulose to middle ; arista 

 pubescent. Thorax without presutural acrostichals, the 

 prealar small ; postsutural dorso-centrals 4 ; sterno-pleurals 

 2 : 2. Abdomen elongate-ovate. Fore tibia with a median 

 posterior l)ristle ; mid-tibia with about six bristles, and 

 some short hairs in an irregular scries on posterior surface ; 

 hiud femur with six or seven long biistles on apical half of 

 antero-ventral surface ; hind tibia with two antero-dorsal 

 bristles, a series of long biistles on Mhole length of antero- 

 ventral surface, and another on posterior surface. Outer 

 cross-vein curved. 



Female. — Differs in having the frons about one-fourth of 

 the head-width at vertex, widened anteriorly; the hind tibia 

 with two antero-dorsal and three antero-ventral bristles, and 

 the outer cross-vein more broadly clouded. 

 Length 8 mm. 



Type, male, Bagdad, Tasmania, 14. xii. 1912 ; allotype, 

 and one female paratype, Brighton, Tasmania, 26. vii. 1913 

 {A. White). 



