Grypus equiseti (Fabricius, 1775)
horsetail weevil
on Equisetum
Haarlemmermeer, 1.vii.2021 © Laurens van der Linde
parasite
Larvae and pupae in the stems. For the oviposition a wound is gnawed in the wall of them stem, that later is covered with a white, soon hardening secretion.
host plants
Equisetaceae, monophagous
Equisetum arvense, palustre.
In the laboratory adult feeding also occurred on E. pratense, sylvaticum.
distribution within Europe
larva
See Cawthra.
synonyms
Grypidius equiseti.
references
Anderson (1997a), Cawthra (1957a), Dieckmann (1986a), Poinar jr (2014a), Rheinheimer & Hassler (2010a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).