NEW AUSTRALIAN SAW FLIES. 
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bent at a right angle in the middle, so that, whereas the hind or inner 
portion of the vein runs towards the base of the stigma, the front or outer 
portion runs towards the apex of the wing and joins the cubital vein near 
the middle of the 2nd cubital cell (see Morice 1919, plate xi, fig. 6). 
[Propodeum only slightly emarginate behind. Larvae leaf miners in 
Eucalyptus .] 
Genus: Phylacteophaga Froggatt (S. Australia), Phylacteophagin^e. 
— . Abdomen normal. Head normal. Antennae in $ without dorsal 
projections to segments. Malar space short, little more than length 
of pedicel at the most. Antennae set very close to hind margin of 
clypeus. Fore wing with the first recurrent vein straight throughout 
and subparallel with basal vein 3: 
3. Fore wing with petiolate anal cell present. [Small species under 5 mm. in 
length. Antenna 14- segmented. Basal vein in forewing joins costa at 
junction of cubital and costa ; 1st transverse cubital vein missing. 
Propodeum strongly emarginate behind leaving exposed a large semi-circular 
blotch of poorly chitinized surface.] 
Genus : Styracotechys gen. nov. (Queensland), Styracotechyin.e (subfamily new) . 
-. Forewing without anal cell 4 
4. Fore wing with basal vein received on costa at junction of costa and cubital 
vein. 
1st cubital vein subequal with 2nd ; 1st transverse cubital vein at less 
than a right angle with 2nd. Mostly large species over 8 mm. in 
length, with antennae (except in Cerealces) short and club-shaped. 
Propodeum not strongly emarginate behind so that the blotch is 
very small.] 
Genera : Cerealces W. F. Kirby, Perga Leach and Xylopsrga Shipp 
(Australia) Pergin m. 
-. Forewing with basal vein received on cubital at a short distance from 
where the cubital leaves the costa ; the portion of the cubital between 
the junction with the basal and the junction with the costa (i.e., 
the cubitus) is bent back towards the apex of the wing and is in a 
straight line with the basal vein 5 
5. Forewing with 1st cubital cell very short (broader than long) ; 1st transverse 
cubital vein set at right angles to 2nd g, 
