Thelaxes dryophila (von Paula Schrank, 1801)

common oak-thelaxid

on Quercus

Thelaxes dryophila: aptera on Quercus robur

Quercus robur, England, Kent, Oaken Wood © Bob Dransfield & Bob Brightwell, InfluentialPoints

Thelaxes dryophila on Quercus petraea

Quercus petraea, Hungary, Budapest © László Érsek

Thelaxes dryophila apterae on Quercus petraea

old ad young apterae

Thelaxes dryophila apterae on Quercus petraea

detail

gall

aphids at the underside of young leaves, mainly along the midrib; leaves ± not discoloured. Ant-attendance.

hostplants

Fagaceae, monophagous

Quercus cerris. faginea, ilex, lusitanica, petraea, pubescens & subsp. subpyrenaica, pyrenaica, robur, rubra, x trabutii.

references

Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Blackman & Eastop (2014), Buhr (1965a), Börner & Franz (1956a), Danielsson (1974a), Durak, Durak & Borowiak-Sobkowiak (0000a), Heie (1980a), Hellrigl (2004a), Influential Points (2016), Lampel & Meier (2003a), Mier Durante & Nieto Nafría (1997a), Nieto Nafría & Mier Durante (1981a, 1989), Osiadacz & Wojciechowski (2008a), Ripka, Reider & Szalay-Marzsó (1998a), Tambs-Lyche & Heie (1994a).

mod 21.ii.2018