Body black colour; cross-vein a of fore wing level with or distal to junction of M+Cu and M; M and 1m-cu of fore wing parallel; fore wing hyaline, with sinuate vein behind vein; radial cell of fore wing divided by cross-vein 2r-rs; hind wing without enclosed cell 1M; clypeal margin bilobed.
Larvae
Antenna flat or conical, with 5 or fewer segments; the third segment never peglike. No secondary longitudinal sutures on the labrum; thoracic legs usually 5-segmented with tarsal claws (except for a few leaf mining forms) and the empodium is not enlarged; annulation of abdominal segments distinct, usually with 4-7 annulets; no lateral suckerlike protuberances or supraspiracular gland openings.
References
- Naumann, I.D., Williams, M.A. & Schmidt, S. (2002). Synopsis of the Tenthredinidae (Hymenoptera) in Australia, including two newly recorded, introduced sawfly species associated with willows (Salix spp.). Australian Journal of Entomology, 41:1-6.
- Evans, H.E. (1987). Order Hymenoptera. In: Stehr, F.W. (ed.), Immature Insects. Kendall/Hunt Publishing Co. Chapter 27, pp. 597-710.