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
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).