Thelaxes dryophila (von Paula Schrank, 1801)
common oak-thelaxid
on Quercus
Quercus robur, England, Kent, Oaken Wood © Bob Dransfield & Bob Brightwell, InfluentialPoints
Quercus petraea, Hungary, Budapest © László Érsek
old ad young apterae
detail
Quercus petraea, Hungary, Budapest, Hűvösvölgy, 6.vii.2018 © László Érsek: two larvae
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 (1981a, 1997a), Nieto Nafría & Mier Durante (1981a, 1989), Osiadacz & Wojciechowski (2008a), Petrović (1998a), Ripka, Reider & Szalay-Marzsó (1998a), Tambs-Lyche & Heie (1994a).