110 0}i new or liitle-Ifnown Tipulidse. 



Hah. New Zealand (North Island). 



Holotijpe, S, Ohakune, altitude 2060 feet, July 1921 

 {T. R. Harris). 



Paratopoti/pes, 6 J (^ , with the type; 9 (^ (j" , May 21, 

 1922 ; 3 c? cJ, May 28, 1922 (T. R. Harris). 



Macromastix angusticosta^ sp. n. 



General coloration grey, the prsescutum with three dark 

 brown stripes, the median one fulvous at anterior end ; wings 

 subhyaline, cells C and Sc dark brown ; abdominal tergites 

 deep reddish brown, the lateral margins broadly pale. 



Male. — Len;jth about 15 mm. ; wing 18*4 mm. 



Frontal prolongation of the head brown, darker brown 

 beneath, the nasus very short and broad ; palpi dark brown. 

 Antennie short, the first segment yellow, the second seg- 

 ment pale brown ; flagellum dark brown. Head brown, 

 dark brown on the genre, fulvous on the low vertical 

 tubercle and on the orbits, the vertex when viewed obliquely 

 with a silvery sheen. 



Mesonotal praescutum light brownish grey with three 

 velvety dark brown stripes, the median stripe fulvous-orange 

 anteriorly, forming a very conspicuous triangular area ; 

 median stripe indistinctly split by a pale line ; humeral 

 region and lateral margins light yellow; scutal lobes obscure 

 orange, the median area broadly pruinose ; a small brown 

 spot on latero-caudal portion of each scutal lobe; scutelium 

 obscure fulvous, sparsely pruinose, the lateral margins of the 

 median lobe greenish yellow ; postnotum brown, paler 

 caudally, the surface sparsely pruinose. Pleura dark brown, 

 sparsely pruinose, with a broad, ventral, longitudinal, grey 

 stripe. Halteres browm, the knobs greenish. Legs with 

 the coxse pruinose ; trochanters obscure yellow ; femora 

 light yellowish brown, the tips conspicuously but rather 

 narrowly blackened ; tibiae uniformly yellowish brown ; 

 tarsi similar, the terminal segments black ; legs elongate. 

 Wings subhyaline, cells C and Sc dark brown ; wing-base, 

 before the arculus, tinged with yellowish brown; stigma 

 conspicuous, dark brown, preceded and followed by indistinct 

 yellowish areas; veins dark brown, slender. Venation: 

 cell 2ncl i?i small, rectangular ; petiole of cell i/j shorter 

 than m ; m-cu obliterated by fusion ; cell 2nd A moderately 

 broad. 



Abdominal tergites deep reddish brown, the lateral 

 margins broadly whitish, this coloration decreasing in extent 



