Hutton.— On the Diptera brachycera of New Zealand. 11 



Coenosia smithii, sp. uov. 



Vertex reddish-brown, with tawny reflections; face yel- 

 lowish - white ; antennae reddish - brown. Thorax reddish- 

 brown, blackish below, with a pale-grey band on each side. 

 Abdomen dark-grey, with tawny reflections ; unspotted. Legs 

 black, the femora with grey tomentum. Halteres and squamae 

 yellowish-brown. Wings pellucid, brownish at the base ; 

 veins tawny ; the cross-veins bordered with fuscous. Length, 

 5 mm. 



Hab. Ashburton (W. W. Smith). 



The distance between the cross-veins is about one and 

 three-quarters the length of the posterior cross-vein. The 

 distance of the latter from the margin of the wing is rather 

 less than its own length. The chief cross- vein lies outside 

 the end of the first longitudinal. 



Coenosia rubriceps, sp. nov. 



Vertex dark-reddish ; the ocellar triangle and the face 

 dark-grey ; antennae piceous. Thorax dark-grey, with three 

 indistinct darker bands. Abdomen dark-grey, unspotted. 

 Legs, including the tarsi, tawny. Halteres and squamae 

 brownish-white. Wings pellucid; the veins tawny; cross- 

 veins not bordered. Length, 5 mm. 



Hab. Otago (F. W. H.) ; on the sea-coast at Waikouaiti. 



The distance between the cross-veins is more than twice 

 the length of the posterior cross- vein. The distance of the 

 latter from the margin is about three-fourths of its length. 

 The chief cross-vein lies inside the end of the first longi- 

 tudinal. 



Coenosia purgatoria, sp. nov. 



Male. — Head yellowish or brownish-white, a round brown 

 spot at the ocelli ; frontal band with brown reflections ; 

 antennae tawny. Thorax pale yellowish-grey, without any 

 marks. Abdomen pale-grey, unspotted. Femora dark-grey; 

 the tibiae and tarsi tawny. Halteres pale-brown. Squamae 

 white. Wings pellucid, the veins tawny. End of the ab- 

 domen swollen. 



Female. — Ash-grey ; the face white. Legs and wings as 

 in the male. 



Length, $ 6 mm., ? 7 mm. 



Hab. Wellington (G. V. Hudson). 



The distance between the cross-veins is about one and 

 three-fourths the length of the posterior cross-vein. The dis- 

 tance of the latter from the margin is rather more than half 

 its length. The chief cross-vein lies just outside the end of 

 the first longitudinal. 



