Pristiphora leucopus (Hellén, 1948)

Pristiphora leucopus - ruficornis group

This species cannot always be separated from Pristiphora armata. Males are not recorded from Britain. In the females, the femora is predominantly white though marked with varying degrees of black. Determination of the females, is best done by examination of the saw.

Pristiphora leucopus larvae feed on small-leaved limes and common lime. The only Pristiphora species to feed on Tilia.

Size: 4.75 - 5.0mm

Status: Data deficient

Distribution: England, Scotland

Flight period: May to August

Plant associations: Tilia cordata and Tilia vulgaris (small-leaved lime and common lime)

References:

Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London

Grearson, K.J., 2006. A sawfly, Pristiphora leucopus (Hellén),(Hymenoptera: Tenthredinidae) new to Britain. British Journal of Entomology and Natural History, 19(1), pp.1-5.

Grearson, K.J. and Liston, A.D., 2012. Review of seasonal polyphenism in the Symphyta (Hymenoptera), exemplified by Pristiphora leucopus (Hellén, 1948)(Tenthredinidae). Zootaxa, 3502, pp.72-88.

Liston A, Knight G, Sheppard D, Broad G, Livermore L (2014) Checklist of British and Irish Hymenoptera - Sawflies, ‘Symphyta’. Biodiversity Data Journal 2: e1168. https://doi.org/10.3897/BDJ.2.e1168

Prous, M., Kramp, K., Vikberg, V. and Liston, A., 2017. North-Western Palaearctic species of Pristiphora (hymenoptera, tenthredinidae). Journal of Hymenoptera Research, 59

Prous, M., Vikberg, V., Liston, A. and Kramp, K., 2016. North-western Palaearctic species of the Pristiphora ruficornis group (Hymenoptera, Tenthredinidae). Journal of Hymenoptera Research, 51