Identification file

Identification file

Lachnus roboris (Linnaeus, 1758)

3.4-5.1 mm

Apterous: pear shaped, dark brown
Frons convex
Antennae shorter than half the body with processus terminalis very short (1)
Abdomen shows 2 tubercles on ventral part between first 2 pairs of legs (2)
Cornicles conical, dark
Cauda short

Lachnus roboris FI

Lachnus roboris © Encyclop'Aphid

Alate: brown, forewings pigmented with broad spots (3)
Frons convex
Antennae shorter than half the body with processus terminalis very short
Cornicles conical, dark and diameter of base greater than width of base of cauda (difference with L. pallipes) (4)
Cauda short (5)
Legs: tibia of 3rd pair of legs uniform dark (difference with L. pallipes) (6)

NB:the photo lower right originates from: Remaudière G., Seco Fernandez M.V., 1990. Claves de pulgones alados de la región mediterránea, 1Introducción y claves. 2 Illustraciones y lista alphabética de los taxones. Universitad de León, 1: 1-110 pp, 2: 117-205pp

Species file

Modification date : 07 February 2023 | Publication date : 08 December 2016 | Redactor : Evelyne Turpeau, Maurice Hullé, Bernard Chaubet