Synanthedon scoliaeformis (Borkhausen, 1789)

welsh clearwing

on Betula

parasite

The larva makes ascending tunnels between the bark and wood of mature or declining trees with broken branches. Pupation in the gallery, in a tough cocoon. Exit opening ± 5 mm.

host plants

Betulaceae, monophagous

Betula pendula, pubescens.

phenology

The larva lives two or three years.

distribution within Europe

(PESI, 2018).

larva, pupa

Larva and pupa are extensively described by Bąkowski.

references

Bachelard (2014a), Bąkowski (2013b), Bąkowski, Celadyn, Hołowiński & Zajda (2011a), Bartsch (1992a), Bland (1989a), Ebert (ed, 1997a), Kusdas & Reichl (eds, 1974a), Laštůvka & Laštůvka (2001a, 2014c), Predovnik (2018a), Pühringer (1998a, 2000a), Sage (2005a).

mod 22.iii.2019