Marshall. — On Neiv Zealand Dij^tera. 289 



bearing a few black spines ; spurs black. Wings with a 

 slight brown tint, surface covered with black hairs. First 

 and second longitudinal veins black, others very light brown ; 

 auxiliary vein about one-third the length pf the wing ; no sub- 

 costal cross-vein ; first and second longitudinal veins curved 

 near the end ; petiole of third longitudinal long ; fifth longi- 

 tudinal not reaching fork of fourth. 



I have four specimens of this insect, all of which were 

 taken at the foot of Mount Torlesse, in Fagus bush, in March 

 and November. 



Genus Cycloneuea, gen. nov. 



Head longer than broad. Eyes large, but well separated 

 on the front. Antennae and palpi not seen. Thorax almost 

 globular. Abdomen of seven segments in the male. Wings 

 rather narrow. Auxiliary vein rudimentary ; first longitu- 

 dinal ending about half-way along the anterior border ; second 

 longitudinal vein ending some distance before the apex ; cos- 

 tal vein continued beyond the end of the second longi- 

 tudinal, but not reaching the apex of the wing; anterior 

 branch of third longitudinal ending at a point a little beyond 

 the apex of the wing ; posterior branch wanting ; anterior 

 branch of fourth longitudinal ending at about one-third of 

 length of inner margin of the wing ; fifth longitudinal vein 

 complete, joined at about half its length by a vein perhaps 

 corresponding to the posterior branch of the fourth longi- 

 tudinal ; second, third, and fourth longitudinals detached at 

 their bases. Legs stout ; femora greatly compressed ; tibige 

 with long spines ; spurs long, pubescent ; first two joints of 

 tarsus of hind-legs with prickles on the under-surface. 



I have only one species of this genus. It was taken in 

 scrubby bush on the Port Hills in December. 



Cycloneura flava, sp. nov. Plate XI., fig. 5. 



Length of antennae, ? ; size of body, 0-088 x 0-016 ; 



expanse of wing, 0096 x 0-033. 



Antennae and palpi not seen. Front dark, but rather 

 densely covered with grey hairs. Thorax dark-yellow, thinly 

 clothed with short black and longer orange hairs situated on 

 the lateral margins. Scutellum semicircular, ferruginous, 

 with a few long setae on the posterior margin. Pleurae and 

 metathorax dark-brown. Halteres with light-coloured stipes, 

 and rather large black club. Abdomen depressed, broadest in 

 the middle, dark-ferruginous, irregular patches being of a 

 darker colour than the rest of the abdomen. Coxae bright- 

 yellow, with a row of hairs on the exterior margin ; femora 

 greatly compressed, bright-yellow, with yellow hairs ; tibiae 

 longer than the coxae, darker, with rows of short black hairs 

 19 



