new or little-known Tipulide. 307 
Paratopotypes,2 8 3 ;3 34,1 2, November 5, 1921 ; 
236,3 2 2, one pair in copula, November 26, 1921 (G. 
Howes); paratype, 1 2, Waipori, December 5, 1921 (G. 
Howes). 
“‘ Beaten from fern near stream.” Types associated with 
A. horni, Edwards. 
Gnophomyia triton, sp. 1. 
General coloration grey; antenne black; mesonotal 
prescutum with three plumbeous-grey stripes, the median 
stripe divided; legs dark brown, the cox, trochanters, and 
femoral bases obscure yellow ; tips of the femora and tibiz 
black ; wings with a blackish suffusion in the apical and 
posterior cells; 7 on R, close to the fork; male hypopygium 
with the pleural appendage elongate, tapering gradually to 
the simple acute apex. 
Male.—Length 5°8-6 mm.; wing 7°2-7:3 mm. 
Rostrum and palpi black. Antenne black; basal flagellar 
segments cylindrical, subterminal segments more oval; last 
segment abruptly smaller. Head grey, lighter-coloured 
adjoining the inner margins of the eyes. 
Mesonotal prescutum grey, very light grey laterally; 
three darker plumbeous-grey stripes, the median stripe 
indistinctly divided by a darker line; remainder of the 
mesonotum grey. Pleura and sternum clear grey. Hal- 
teres pale. Legs with the coxe and trochanters obscure 
yellow; femora brown, yellow basally, the apices narrow] 
blackened; tibize brown, the tips black; tarsi black. Wings 
with a faint blackish suffusion in the cells distad of the cord 
and caudad of vein Cu; a still darker suffusion along the 
cord; stigma conspicuous but small, elongate, blackish; 
veins dark brownish black. Venation: Sc, ending just 
before the end of Rs, Sc, longer than Sc, and located at its 
tip; 7 on R, immediately beyond the fork; basal deflection 
of Cu, just beyond the fork of M. 
Abdomen brownish grey; sternites clearer grey, in some 
cases the sternum obscure yellow, the caudal margin ringed 
with paler. Male hypopygium with the pleural appendage 
elongate, tapering gradually to the simple acute apex, 
unarmed at base. Penis-guard trifid, before the apex being 
split into two needle-like divergent horns, from the centre 
of which projects the subequal apex of the guard. Gona- 
pophyses flattened, projecting beyond the guard, the apex 
with a deep V-shaped notch, the lobes formed being 
obliquely truncated, 
