BY FREDERICK A. A. SKUSE. 
1183 
branch of the fork ; fifth longitudinal vein indistinct, not reaching 
the bordei-. 
Hah . — Glenbrook (Masters) ; Sydney (Skuse). November. 
Genus 11. Aktriadophila, gen.nov. 
Head small, broadly oval, the fore part flattened ; vertex some- 
what elevated. Mouth parts prolonged. E 3 ms longish-oval, a 
little emarginate on the inner side above. Ocelli three, arranged 
in a triangle on the broad front, the middle one smaller 
than the rest (except in A. petulans, where all three are large 
and of equal size). Palpi prominent, incurved, four-jointed ; 
first joint very small, cylindrical, second almost elliptical, 
thicker than the first and nearly twice the length, third 
joint sub-cylindrical, not as thick as, and shorter than, the 
second, fourth joint twice the length of the third and 
more slender than the first. (PI. xxxi., fig. 8 a). Antennae 
generally shorter than the thorax, sometimes as long as the head 
and thorax together ; projecting forwards, arcuated, very little 
compressed, 2 - -i- 1 2 -jointed ; joints of the scapus distinct, cupuli- 
form, or the first joint cyathiform and the second cupuliform ; 
flagellar joints compact, the terminal joint long, conical. Thorax 
longish-oval, arched; scutellum small, semi-circular ; metathorax 
arched. Abdomen slender, with seven segments in both sexes, in 
the a little flattened, terminating with a forceps ; in the 9 
flattened, claviform, the ovipositor with small terminal lamellm. 
Legs long and slender, the first pair shorter than the others ; 
femora about as thick as the coxm ; tibia? spurred, the spurs of the 
fore-legs, and sometimes also those of intermediate-legs, short ; 
lateral spines ab.sent,* or very minute and occurring on the 
intermediate- and hind-legs : the intermediate pair with one range 
on the outer side, the hind pair with two ranges on the outer side. 
Wings moderately broad, rounded off at the base, longer than the 
abdomen, mici’o.scoi)ically pubescent. Costal vein extending much 
beyond the tip of the second longitudinal vein, almost reaching 
*I cannot make out any lateral spines on the tibiie of A. elntiUn ami 
A. riiyricolor. 
