Hexarthrum exiguum Boheman, 1838

Records. CRI DON* KHE* KHR* KHM KYI LWI TER VIN VOL ZAK ŽIT* [Folwaczny 1973: 163; Mazur 2002: 230].

Distribution. Europe, Caucasus, Middle Asia; introduced in USA (Folwaczny 1973)

Material examined. Kharkiv Prov.: 1 spec. (KUMN) Izyum, A.N. Drogvalenko leg., 26.viii.2005 ; 1 spec. (KUMN) idem, 26.viii.2000; 2 spec. (KUMN) idem, 18.vii.2002; 2 spec. (KUMN) idem, 15.vii.2002; 1 spec. (KUMN) idem, 06.vii.2002; 1 spec. (KUMN) idem, 29.iv.2003; 1 spec. (KUMN) idem, 24.vi.2007; 1 spec. (KUMN) 8 km W Kehychivka, Hutyrivka, N. Yunakov leg., 20.vi.2001 ; Kherson Prov.: 1 spec. (KUMN) Black Sea Biosphere Reserve, Yagorlytski Kut Division, A.N. Drogvalenko leg., 12.vii.1994 ; Volyn Prov.: 1 spec. (KUMN) Volyn, 1827, Besser leg.; Zhytomyr Prov.: 1 spec. (KUMN) Novohrad-Volynskyi env. Mikhailov leg., 03.vi.1909 .

Biology. Native to deciduous and mixed forests; often in moist woody parts of buildings and cellars. Adults occur in I–XII. In dead wood of deciduous and coniferous trees.