Cimbex femoratus (Linnaeus, 1758)

birch sawfly, buton horn sheet wasp

on Betula

Betula spec., Belgium, prov. Limbourg, Rekem, Vallei van de Zijpbeek, 16.ix.2017 © Carina Van Steenwinkel

detail

the striking dorsal line

parasite

Larvae free on the plant.

host plants

Betulaceae, monophagous

Betula pendula.

distribution within Europe

(PESI, 2020).

synonyms

Cimbex femorata.

references

Benson (1951a), Lorenz & Kraus (1957a), Pesarini & Turrisi (2006a), Pschorn-Walcher & Altenhofer (2000a), Savina & Chevin (2012a).