Synanthedon conopiformis (Esper, 1782)

on Quercus

parasite

The larva bores in the wood, in the transition zone between living and dead wood, both in thick stems and in branches of 3-4 cm. Sometimes in coppice plots. The frass of the larva is yellowish white in colour, contrary to the brown frass of S. vespiformis that may occur on the same tree. Pupation in a cocoon under the bark.
Hamborg found the larvae especially in old galls that had been caused by Viscum album.

host plants

Fagaceae, monophagous

Quercus petraea, pubescens, robur.

phenology

The larva lives for two years.

distribution within Europe

(PESI, 2018).

larva, pupa

Larva and pupa are extensively described by Bąkowski.

references

Bachelard (2014a), Bąkowski (2013b), Bella, Bartsch & Laštůvka (2017a), Ebert (ed, 1997a), Hamborg (1993a), Kusdas & Reichl (eds, 1974a), Laštůvka & Laštůvka (2001a), Nipppel (1992a), Predovnik (2018a).

mod 25.ix.2018