Tychius quinquepunctatus (Linnaeus, 1758)
on Lathyrus, Pisum, Vicia
Vicia hirsuta, België, prov. Antwerpen, Mol, Heidenhuizen © Carina Van Steenwinkel; see notes below
larva in opened gall
damage to the pod
up to 10 larve feed within the pod on the developing seeds; this may cause some galling of the pods. Pupation in the soil.
larvae and pupae
detailed description in Skuhrovec, Gosik & Caldara.
only in the lowest of the three pods in the pictures above a Tychius was found. This seems to indicate that the weevil larva does not play an important role in the galling of the pods.
Behne (1987a), Dieckmann (1988a), Rheinheimer & Hassler (2010a), Skuhrovec, Gosik & Caldara (2014a)/