Tychius polylineatus (Germar, 1824)

on Trifolium

gall

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

hostplants

Fabaceae, monophagous

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

synonyms

Sibinia polylineata.

notes

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

references

Buhr (1965a), Cogolludo (1921a), Dauphin & Aniotsbehere (1997a), Dieckmann (1988a), Houard (1909a), Rheinheimer & Hassler (2010a), Roskam (2009a), Tomasi (2012a, 2014a).

mod 21.v.2019