Thryogenes festucae (Herbst, 1795)
on Cyperaceae
parasite
Larvae and pupae in the stems, also below the water level; generally obe larva per stem.
host plants
Cyperaceae, oligophagous
Carex vesicaria; Bolboschoenus maritimus; Schoenoplectus lacustris & subsp. glaucus.
phenology
Univoltine; the adult beetles hibernates anong plant debris along the shore.
distribution within Europe
larva, pop
Extensively described by Gosik (2011a).
references
Dieckmann (1986a), Gosik (2011a), Rheinheimer & Hassler (2010a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).