330 Transactions. 
Key to THE NEW ZEALAND GENERA. 
1. Vein В» yaa discal cell absent, Си; а joining M far before the Dolichopeza. 
В» and discal cell present; Cu; joining M beyond ” 
k 
bo 
Vein R, curved, the convexity facing downwards ; ч ` male hypopygium 
with the dial mea largely chitinized ; female with арон 
chitinous ovi Holorusia. 
Vein В» straight or ques somewhat down wards towards the tip ; 5 
male hypopygium usually without any chitinization of the anal 
segmen 3 
. First. few flagellar joints swollen and ‘nearly bare, the 1 rem 
beca with long dense hairs ; abdomen elongate ; female with Ic ed 
chitin 
e 
s ovipositor; vein Ry (in New Zealand ban only) about 
as lon. ae as and almost in a straight line with R3. Longurio. 
Terminal flagellar joints not reg, езш more hairy than the rest ; 
abdomen usually short; vein В» shorter than Ro;3 and making 
a distinct angle with it 4 
e 
with twelve or thirteen joints, "the last dew sometimes in- 
dis sed separated ; male hypopygium eumd and —Ó twisted 
= one site; female ovipositor -— and fles Macromastix. 
remely short, ten ‘joints = ale) or seven joints 
mend ale hypopygium, tts not OMA feos bi, co ans 
long and strongly chitinize Hudsonia. 
Genus DoLicHoPEZA Curt. 
A small and fairly well defined genus, of almost world-wide distribution. 
The species are all very similar in general appearance, the most con- 
spicuous differences being shown in the coloration of the legs. 
The two New Zealand species are distinguishable at once by their size. 
Dolichopeza parvicauda n. sp. (Fig. 96.) 
Head greyish-brown, more ochreous above antennae; a blackish mark 
adjoining each eye. Front one-third as broad as head in male, a little 
broader in female. Rostrum ochreous, less than half as long as head. 
Palpi light brown. Antennae of male nearly as long as abdomen, of female 
not longer than thorax ; scape ochreous, flagellum dark brown. In male 
flagellum is covere with a fine, uniform ubescence, as long as diameter 
of joints, and with scattered long hairs; in female the pubescence is muc 
shorter, especially on upper side, but the hairs are quite as long and rather 
more numerous. First flagellar joint in male not much longer than second ; 
in female proportionately longer. ipis light brownish-ochreous, pleurae 
and postnotum somewhat dusted with . Praeseutum with three dark- 
brown stripes, the lateral pair turned dona i in front. Mesepisternum with 
two dark-brown spots, one above the other. Abdomen blackish-brown, each 
segment with a basal ochreous band, narrowed in perm and in female 
pma dusted over with grey. Hypo ygium of male very small, narrower 
Halteres with i stem ; base of knob black, n, whitish. Length 
of body, 5 7:5 mm., 9 ? 9 mm. ; ; wing, 5 8 mm^, 9 10 mm 
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