-.7-> 



On neio or little-known Tipulidse. 



peuis-guard broad-based, tapering rapidly to the slender 

 apex. Ovipositor elongate, slender, reddish liorn-colour. 



Hab. New Zealand (South Island). 



Hulofj/pc, J , Ben Lomond, Otago, altitude 4000 feet, 

 January 2, 19.22 (G. Howes). 



Allotopotype, ? , December 30, 1921. 



Paratopotypes, 7c??, with the types. 



GynopUstia bidentata purpurea^ subsp. n. 



Male. — Length about 7 mm. ; wing 7'2 mm. 



Generally similar to typical bidentata^ differing as fol- 

 lows : — 



Size larger. Pectinations of flagellar segments longer, the 

 longest more than one-half the length of the flagellum. 

 Pubescence of mesepisternura silvery grey in colour, ap- 

 pearing as a narrow oblique line. Legs longer and more 

 slender. Wings with the apex distinctly clouded; clouds in 

 the outer ends of cells Cu, Cui, 1st A, wliere it is very large, 

 and a small spot in the extreme end of cell 2nd A. Abdomen 

 with intense purplish-blue reflections. J\lale hypopygium 

 ■with the extreme tip of the outer pleural appendage slightly 

 knobbed ; mesal face of pleurites less densely setiferous. 



Hab. New Zealand (South Island). 



Holotype, ^ , Glentui, Canterbury^ December 1921 [S. 

 Lindsay). 



GynopUstia bidentata differs from all similar species with 

 15-segmented antenn3e by the structure of the gonapophyses. 



Macromastix mesocera, sp. n. 



General coloration brown, the prsescutum with three dark 

 brown stripes ; antennae of male as long as the head and 

 thorax taken together ; setse on thorax short ; wdngs infumed, 

 especially at base and in costal region. 



Male. — Length 12 mm. ; wing 14'2 mm. ; antenna about 

 5 mm. 



Frontal prolongation of the head and the palpi dark brown. 

 Antennae moderately elongate, about as long as the head 

 and thorax taken together, dark brown, the second segment 

 obscure yellow. Head rich fulvous, the vertical tubercle 

 entire ; a narrow pale margin adjoining the inner margin of 

 the eye. 



Mesonotal prsescutum pale brown, with three conspicuous 

 dark brown stripes, of which the median stripe is very indis- 

 tinctly split by a ])ule line ; scutum pule brown, the lobes 



I 



