Globally, there is only one species of Harpiphorus. It is distributed mostly in the Western Palaearctic but has recently been found in the Eastern Palaearctic also.
The genus is characterised by having the second antennal segment (pedicel) clearly longer than the first (scape). The hind tibia is shorter than the tarsus with the basal tarsomere equal in length to the following three tarsomeres. The insect is 4 to 5mm long and yellow and black.
Larvae feed on various oaks.
Harpiphorus lepidus (Klug, 1818)
Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London
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
Park, B.; Lee, J.-W. 2018: First records of the monotypic genus Harpiphorus Hartig (Hymenoptera: Symphyta: Tenthredinidae: Allantinae) from the Eastern Palaearctic Region and northern Africa. - Journal of Asia-Pacific Biodiversity 11: 590-594.