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
synonyms
Cimbex femorata.
references
Benson (1951a), Hoop (1983a), Lorenz & Kraus (1957a), Pesarini & Turrisi (2006a), Pschorn-Walcher & Altenhofer (2000a), Savina & Chevin (2012a).