Stathmopoda pedella (Linnaeus, 1761)
alder signal
on alder
Haarlemmermeer, 4.vii.2020 © Laurens van der Linde
frontal
parasite
In August-September the larvae live as borers in the still green female catkins, feeding on te seeds. Infected catkins sometimes have a weak discolouration, but otherwise only a little entrance hole and a bit of extruded frass betray their presence. Full grown larvae drop to the ground for pupation.
host plants
Betulaceae, monophagous
Alnus glutinosa, incana.
distribution within Europe
egg, larva, pupa
see Schmid.
references
Corley, Rosete, Romão ao (2015a), Emmet & Langmaid (2002b), Hellers (1998a), Klimesch (1960a), Koster & Sinev (2003a), Parsons (1995a), Pollard (2011a), Schmid (2019a).