Hutton — On the Diptera brachycera of New Zealand. 67 



Sepimentum fumosum, sp. nov. 



Antennae ferruginous, the third joint with grey tomentum ; 

 palpi tawny. Thorax and abdomen greyish-brown, not me- 

 tallic, the thorax with indistinct brown bands. Wings tinted 

 brown ; the veins dark-brown. Halteres ferruginous. Squamae 

 dark smoky-brown. Length, 7-8 mm. ; wing, 6-7 mm. 



Male. — Vertex black, face grey. Femora and tarsi black, 

 the tibiae dark- tawny. 



Female.— Frontal band ferruginous ; ocellar triangle and 

 face grev. Legs tawny, the tarsi blackish. 



Hab. Christchurch (H. Clark) ; Ashburton (W. W. 

 Smith). 



There are two bristles on the inner side of the middle 

 tibiae in both sexes. In the female two bristles are also 

 present on the inner side of the fore and hind tibiae ; but these 

 are sometimes absent in the male. 



Sepimentum demissum, sp. nov. 



Female. — Vertex and antennae ferruginous, the frontal 

 band rather darker ; face tawny; proboscis and palpi dark- 

 brown. Thorax and abdomen blackish, the latter with sub- 

 metallic bronzy-green reflections. Legs tawny. Squarnae fer- 

 ruginous. Wings tawny, distinctly deeper in colour near 

 their bases ; the veins tawny. Length, 6 mm. ; wing, 5 mm. 



Hab. Wellington (G. V. Hudson). 



There is one strong bristle on the inner side of the middle 

 tibiae, none on the inner side of the fore aud hind tibiae. I 

 have not seen the male. 



Genus Musca, Linnaeus (1761). 



Epistome not prominent. Antennae nearly reaching the 

 end of the face ; the third joint three or four times the length 

 of the second ; arista plumose on both sides. Abdomen not 

 metallic. Middle tibiae without any long bristles on the inner 

 side. First posterior cell narrowly open ; the fourth longi- 

 tudinal vein curving at an obtuse angle, and afterwards a 

 little concave to the margin. 



Musca domestica. 



M. domestica, Linnaeus, Syst. Nat., ii., 990 (1761). Musca 

 vicaria, Walker, Insecta Saundersiana, vol. i., p. 348 

 (1856). 



Face yellowish or white or almost black. Thorax brown „ 

 with four black stripes. Abdomen in the female brown, tessel- 

 lated with yellowish-white ; in the male the sides of the 

 abdomen are reddish. Wings colourless; the posterior cross- 

 vein nearly straight, and situated at about its length from the 



