Makshall. — On Neiv ZeLiland Diptcra. 271 



almost white at the base, becoming cinereous towards the top ; 

 chib much compressed, cinereous, thinly clothed with black 

 hairs. Abdomen narrow, anterior part of each segment light- 

 yellow, darkening to brown iu the posterior portion ; scat- 

 tered stitf black hairs on all the segments. Coxae light-yellow, 

 with scattered black hairs ; femora slender, with short black 

 hairs ; Libia? and tarsi straw-coloured, densely clothed with 

 stout but short black hairs. Wings smoky. Auxiliary vein 

 not complete ; transverse veins bounding inner marginal cell 

 vei'y slender; apex of first longitudinal not dilated. Apex 

 of wing rounded. All veins straw-colour, with a single row 

 of black hairs. 



I have only one specimen, taken in the Ruahine Mountams, 

 in January. This is very closely allied to the last species, 

 but is separated from it by the colour of the antennae and 

 thorax, rounded tip to the wing, and very feeble development 

 of the basal portions of the veins, and the incomplete auxiliary 

 vein. If intermediate forms are subsequently discovered this 

 may have to be linked with the last species. 



B. Wings distinctly haired. 



a. Wings unspotted. 

 h. Wings spotted. 



Macrocera antennatis, sp. nov. 



Length of antenniB, 0'660; size of body, 0-218 x 0041 ; 

 expanse of wing, 0-260 x 0088. 



Antennge three times the length of the body ; joints of 

 scapus orange -coloured, very short and thick; joints of 

 llagelhuu all dark -brown, thickly clothed with short black 

 hairs ; joints becoming darker towards the apex of the 

 antenna, and the hairs longer and more numerous. Ocelli 

 situated very close together on a small raised black triangular 

 area. Crown cinereous, becoming orange posteriorly. Thorax 

 dark-orange, marked variously with light-yellow ; one median 

 and two lateral lines of short black hairs ; black hairs spar- 

 ingly scattered over the thorax. Scutellum, metathorax, and 

 pleurae all dark-orange. Halteres with stout pedicel bearing 

 oval-shaped cinereous club, clothed with black hairs. Al)- 

 domen depressed; first segment light-yellow; anterior portion 

 of subsequent segments black, posterior portion yellow ; last 

 two segments black. Forceps of male orange. Abdomen 

 sparingly clothed with long black hairs. Legs long and 

 slender; coxtfi short and stout, with a few stout black hairs; 

 femora long and slender, clothed, like the tibiae and tarsi, 

 with numerous black hairs. Wings with faint tawny tinge ; 

 one small black patch at the apex, another at the junction of 

 the second and third longitudmal veins, proceeding upwards 



