Pelenomus quadricorniger (Colonnelli)
Phytobius quadricorniger Colonnelli, 1986 [RN].
Rhynchaenus quadricornis Gyllenhal. 1813 [HN].
Records. CRI ČRK KHE KHM KHR KYI LUG LWI ODE POL RIV TER VIN VOL ZAK [Cherkunov 1889: 193; Globova 1958: 166; Korotyaev 1980: 111; Mazur 2002: 236.].
Distribution. Palaearctic (excluding North Africa and Middle East) (Colonnelli 2013).
Material examined. Cherkasy Prov.: 1 spec. (ZIN) Zolotonosha, 1906; Crimea: 1 spec., (ZIN) Kerch;
Kherson Prov.: 1 spec. (ZIN) Aleshki, Dniepe River delta, P. Egorov, 24.v.1927 ; Luhansk Prov.: 1 spec. (ZIN) Luhansk env., Likhosherstov leg., 29.v.1927; Poltava Prov.: 2 spec. (ZIN) Poltava, D. Ogloblin leg., 22.vii.1911; Kharkiv Prov.: 1 spec. (ZIN) Mala Danylivka, 11.v.1913; Rivne Prov.: 1 spec. (SIZK) Rivnenskyi Nature Reserve, 51.385278°N 26.851111°E, V. Nazarenko leg., 18.vi.2008 .
Biology: Wetlands. Adults occur in IV–VII. On Persicaria amphibia, P. lapathifolia (Polygonaceae) .