Identification file

Identification file

Thelaxes dryophila (Schrank, 1801)

1.1-2.3 mm.
Apterous: green to brownish, flattened, with longitudinal stripe lighter colored and numerous fine pointed hairs
Frons bulging (1)
Antennae comprising 5 segments with processus terminalis very short (2)
Cornicles reduced to a pore (3)
Cauda knobbed

Thelaxes dryophila : fiche d'identification

Thelaxes dryophila © Encyclop'Aphid

Alate: greenish to brownish
Frons bulging and head dark (1)
Antennae comprising 5 segments with processus terminalis very short (2)
Rostrum long with last segment fine and pointed (8)
Abdomen: stripes darkened, more distinct on last segments (4) and presence of small, circular marginal sclerites (5)
Cornicles encircled by brown ring (3)
Cauda knobbed (6)
Wing with medial vein once-branched (7)

Species file

Modification date : 07 February 2023 | Publication date : 09 January 2017 | Redactor : Evelyne Turpeau, Maurice Hullé, Bernard Chaubet