Plagiotrochus yeusei Barbotin, 1985

on Quercus

Plagiotrochus yeusei: gall on Quercus ilex

Quercus ilex, Spain, Barcelona, Terrassa © Jordi Montobbio

Plagiotrochus yeusei: gall on Quercus ilex

another specimen

Plagiotrochus yeusei: gall on Quercus ilex

the gall is quite difficult to find

Plagiotrochus yeusei: opened gall on Quercus ilex

the gall is plurilocular

gall

More or less strong welling and malformation of parts of a one year old twig; the gall contains a few elliptic gall chambers.

host plants

Fagaceae, narrowly monophagous

Quercus ilex.

notes

Sexual generation not known.

inquilines

Saphonecrus barbotini, lusitanicus.

references

Blanes-Dalmau, Caballero-López & Pujade-Villar (2017a), Dauphin & Aniotsbehere (1997a), Nieves-Aldrey (2001a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a).

mod 4.ii.2019