316 Transactions. 
Drviston I. 
Mesonotum more or less dull and grey-dusted. Front at most one- 
third as broad as the head. 
Gynoplistia magnifica n. sp. (Fig. 71.) 
flagellum sixteen-jointed, black. In male the first eleven flageilar joints 
have moderately long appendages, those on joints 4-8 a little longer, the 
longest scarcely four times as long as joint. female the first eight 
flagellar joints have short ventral projections, those on joints 2-4 about 
as long as joints, others shorter. Thorax heavily dusted’ with rather light 
grey. Praescutum in front of sensory pits with a median dark stripe, 
behind the pits with four dark-brown stripes, middle pair narrower than 
each femur. Wings with a slightly milky ground-colour and conspicuous 
dark-brown pattern as in re. Sc, very oblique, rather longer than Sc,, 
and appearing almost as a continuation of Sc, Halteres with ochreous 
stem and somewhat darker knob. Length of body, 5 16 mm., $ 26 mm. ; 
wing, 5 14 mm., 9 17-5 mm. 
Norra Istanp: Wellington district (G. V. Hudson, No. 252). Type 
male in British Museum, from scrubby hill-top near Wellington, February- 
March, 1921; also one female from Karori, March. 
Gynoplistia notata n. sp. (Fig. 72.) 
logs on cleared slope, 2,500 ft. (G. V. Hudson, No. 308); type male and 
one female in British Museum. à 
Gynoplistia nebulosa n. sp. (Fig. 73.) 
Head dark grey; proboscis reddish-tinged, palpi blackish; scape of 
antennae and extreme bases and tip of flagellar joints ochreous, remainder 
blackish. Flagellum of male sixteen-jointed, joints four or five times as 
long as broad, joints 1-12 each with a long appendage, the longest nearly 
five times as long as joint bearing it; each appendage with two or three 
stiff hairs. Flagellum of female fifteen-jointed, joints hardly more than 
twice as long as broad, the first seven with short triangular ventral 
