Plant Parasites of Europe

leafminers, galls and fungi

Tychius polylineatus

Tychius polylineatus (Germar, 1824)

on Trifolium


the larve feed within the pod on the developing seeds; this causes galling of the pods. Pupation in the soil.

host plants

Fabaceae, monophagous

Trifolium “agrarium”, alpestre, arvense, aureum, medium, montanum, pratense, striatum, subterraneum.


Sibinia polylineata.


According to Buhr and Dieckmann this species is responsible also for galling of the terminal and lateral buds. Rheinheimer & Hassler do not mention this.


Avgın & Colonnelli (2011a), Buhr (1965a), Cogolludo (1921a), Compte (1981a), Cotte (2020a), Dauphin & Aniotsbehere (1997a), Dieckmann (1988a), Houard (1909a), Rheinheimer & Hassler (2010a), Roskam (2009a), Tomasi (2012a, 2014a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).

Last modified 25.xi.2021