NEW AUSTRALIAN SAW FLIES. 
225 
Fig. 9. — Styracotechys dicelysma gen. et. sp. nov. : 
(a) Head from above ; 
(b) Antenna from the side ; 
(c) Hind leg ; 
( d ) Sawsheath from above ; 
(e) Saw. 
STYRACOTECHYS DICELYSMA sp. nov. 
? Colour yellow ; black or fuscous are the head (except for the mouth- 
parts, clypeus, 4 basal segments of antenna which are brown), the side lobes 
{see Benson 1934 (2) pp. 464-5) but that the 1st transverse cubital vein is 
missing and that in both fore and hindwings the apical cell is very much 
reduced. 
Legs with exceptionally long apical tibial spurs (fig. 9c) ; claws simple. 
Abdomen . — Propodeum very strongly emarginate behind so that there is a 
large area with a white, weakly chitinized surface between propodeum and 
ter gum 2. Sawsheath (fig. 9d). 
