32 Transactions. — Zoology. 



orange. Length, <? 13-14 mm., $ 15-16 mm. ; wing, j 

 22-23 mm., 5 22 mm.; antennae, ^ and ? 3 mm. 



Hab. Humboldt Mountains, Otago (Hudson). 



Macromastix lunata, sp. nov. 



Eeddish-brown, the female paler than the male. Head 

 between the eyes dusky. Mesonotum with 'four dark bands. 

 Abdomen with a dark longitudinal dorsal band. Antennae 

 long in the male, short in the female ; reddish at the base 

 and gradually darkening outwards. Wings smoky, the 

 anterior half darker than the posterior ; stigma darker still. 

 A large white lunate mark, convex backwards, in the basal 

 cells ; generally another clear space encircling the stigma. 

 Hind margin of the posterior basal cell with short transverse 

 folds. Praefurca forming more than one-third of the second 

 longitudinal vein. Legs dark, the proximal halves of the 

 femora and the coxae reddish. Length, J 9-10 mm., 

 ? 10-11 mm.; wing, 3 15-16 mm., 2 17-18 mm. ; antennae, 

 <? 25 mm., ? 3 mm. 



Hab. Wellington (Hudson). 



Macromastix binotata, sp. nov. Plate III., fig. 7. 



Brownish-yellow, except the mesonotum, which is cine- 

 rous and with four brown bands, all of which are united on 

 the fore border and taper backwards. The palpi and the 

 dorsi of the third to the eighth abdominal segments dusky. 

 Halteres yellowish, the tips paler. Wings dusky, with darker 

 clouds at the apex of the first submarginal cell and along the 

 anterior edge of the fifth longitudinal vein. A clear fascia 

 runs from the base of the first submarginal cell across the 

 basal cells ; another lies near the basal cross-vein. Petiole of 

 the second posterior cell short, less than one-half of the length 

 of the cell. Intercalary vein sinuated, and bent backwards 

 near its tip towards the fifth longitudinal. Praefurca between 

 one-half and one-third of the whole length of the second 

 longitudinal vein. Length, ^ 12 mm. ; wing, <? 17 mm. ; an- 

 tennae, 3 9 nun. The female is unknown. 



Hab. Wellington (Hudson). 



Sub-family LIMNOBINiE. 



The tip of the auxiliary vein turns forward and ends in the 

 costa. A subcostal cross-vein nearly always present. Last 

 joint of the palpi short, not longer than the two preceding, 

 joints. 



