T. dryophila

Thelaxes dryophila (Schrank, 1801)

Common oak thelaxid

Thelaxes dryophila : larves
Thelaxes dryophila : adulte ailé
Thelaxes dryophila : colonie
Thelaxes dryophila : rostre

Morphological characters

1.1-2.3 mm.
Apterous: green to brownish, flattened with a longitudinal stripe lighter-colored, fine pointed hairs present, frons bulging, antenna with 5 segments, cornicles reduced to a pore and cauda knobbed.
Alate: head, antenna and thorax dark, rostrum long, wings kept flat when at rest, cornicles encircled by a brown ring and cauda knobbed.

See identification file

Life cycles

Monoecious holocyclic.

Host plants

Quercus spp.

Particular characteristics

Ce puceron produit beaucoup de miellat. Les colonies sont visitées par les fourmis.

Agronomic impact

This aphid produces copious amounts of honeydew. Colonies are visited by ants.


In this folder

Modification date: 23 May 2024 | Publication date: 05 January 2017 | By: Evelyne Turpeau, Maurice Hullé, Bernard Chaubet