Rhynchaenus quadrinodosus Gyllenhal, 1813
Records. CRI ČER IFR DON KYI LWI POL RIV VOL [ Korotyaev 1980: 112; Mazur 2002: 234; Nazarenko2009b: 501; 2012d: 190].
Distribution. Palaearctic (excluding North Africa and Middle East) ( Colonnelli 2013).
Material examined. Crimea: 1 spec. ( ZIN) Sebastopol, Inkerman, W. Pliginski, 13.iii.1911; 1 spec. ( ZIN) idem, 20.iii.1911; Donetsk Prov.: 1 spec. ( ZIN) Velykoanadolskyi Forest, 19.viii.1906; Kyiv Prov.: 1 spec. ( SIZK) Kyiv, Obolonska Kosa Island, 50, 506192°N 30, 521665°E, V. Nazarenko leg., 28.iv.2011; Rivne Prov.: 1 spec. ( SIZK) Rivnenskyi Nature Reserve, 51, 385278°N 26, 851111°E, V. Nazarenko leg., 18.vi.2008; Zakarpatska Prov.: 1 spec. ( KUMN) 15 km SE Mezhhirya, Mereshor env., Polonyna Krasna, N. Yunakov leg., 20.vi.1995.
Biology. Grasslands and forests. Adults occur in III–VI. On Potentilla reptans ( Rosaceae).