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.
Lathyrus latifolius, linifolius, niger, pratensis, sylvestris, tuberosus, vernus; Pisum sativum; Vicia cassubica, cracca, dumetorum, faba, pisiformis, sativa & subsp. nigra, sepium, sylvatica, tenuifolia.
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.
Anagnou–Veroniki, Papaioannou–Souliotis, Karanstasi & Giannopolitis (2008a), Avgın & Colonnelli (2011a), Behne (1987a), Dieckmann (1988a), Rheinheimer & Hassler (2010a), Skuhrovec, Gosik & Caldara (2014a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).