Pelenomus waltoni (Boheman)
Phytobius waltoni Boheman, 1843
Records. ČER IFR KHR* KYI LUG* LWI ODE* POL RIV VOL ZAK [Korotyaev 1980: 109; Mazur 2002: 236; Nazarenko 2010d: 88].
Distribution. Palaearctic (excluding North Africa and Middle East); introduced to North America (Colonnelli 2013).
Material examined. Kharkiv Prov: 1 spec. (KUMN) 7 km S Zmiiv, Gaidary env., 49, 6265°N 36, 330417°E, 150m, B. Loboda leg., 30.vi.2014 ; 1 spec. (ZIN) idem, old forest, Arnoldi, viii.1934; 1 spec. (ZIN) Merefa, B. Iljin, 8. VII.1913; Odesa Prov.: 2 spec. (ZIN) Vylkove, Dunaiski Plavni Nature Reserve, Jermakov Island, 45, 3751087°N 29, 6734663°E, flood land forest with Salix, D. Kasparyan leg., 5.vii.1997 ; Rivne Prov.: 1 spec. (SIZK) Rivnenskyi Nature Reserve, 51, 385278°N 26, 851111°E, V. Nazarenko leg., 18.vi.2008 ; 1 spec. (ZIN) Rivne; Poltava Prov.: 2 spec. (ZIN) Poltava, D. Ogloblin leg., 3.viii.1911; 1 spec. (ZIN) idem, Lukjanovich leg., 28.iv.1924; 2 spec. (ZIN) idem, 29. IX.1925; Luhansk Prov.: 1 spec. (ZIN) Luhansk, Talicky leg., 19.vi.1927 .
Biology. Wetlands. Adults occur in IV–IX. On Persicaria hydropiper and P. mitis (Polygonaceae)