Synanthedon mesiaeformis (Herrich-Schäffer, 1846)

on Alnus

parasite

The larva bores a 6-8 cm long gallery between bark and wood of old, free-standing trees. Pupation in the gallery, in a dense cocoon.

host plants

Betulaceae, monophagous

Alnus glutinosa.

phenology

In central Europe the larva lives two, rarely one, year; in more northern Europe development takes three years. Th larva hibernates in its gallery, pupates there in spring.

distribution within Europe

(PESI, 2018).

larva, pupa

Larva and pupa are extensively described by Bąkowski.

references

Bąkowski (2013b), Laštůvka & Laštůvka (2001a, 2008b), Lendel (2011a), Predovnik (2012a).

mod 25.ix.2018