Exapion (Exapion) difficile (Herbst)

Apion difficile Herbst, 1797

Records. CRI ČER DON* IFR KHR KYI LUG* LWI POL* RIV SUM TER ZAK ŽIT* [Łomnicki 1884: 34; Łomnicki 1886: 230; Cherkunov 1889: 190; Łomnicki 1905: 83; Roubal 1941: 112; Solodovnikova 1963c: 155; 1965a: 8; 1965b: 337; 1966: 333; 1968: 30; Mazur 2002: 220; Nazarenko 2005a: 90; Nazarenko 2006b: 163; Nazarenko 2009b: 499; Nazarenko 2009c: 38; Nazarenko 2010d: 82; Nazarenko 2012d: 190; Nazarenko 2012g: 50].

Distribution. Europe, Asia Minor (Alonso-Zarazaga 2011a).

Material examined. Crimea: 2 spec. (ZIN) Ai-Petri, K. V. Arnoldi leg., 1947; Donetsk Prov.: 1 spec. (ZIN) forest near Svyatohirskyi Monastery, chalk, Arnoldi leg., 27.v.1937; 1 spec. (ZIN) idem, 23.vi.1937; 1 spec. (ZIN) idem, 26.vii.1937; 1 spec. (ZIN) Svyatohirskaya, chalk, Arnoldi leg., 20.vi.1937 ; 2 spec. (ZIN) Yarova, Arnoldi leg., 20.vi.1936 ; 2 spec. (ZIN) Novoselovka, Arnoldi leg., 27.vii.1937 ; 1 spec. (ZIN) idem, Svyatohirsk, Arnoldi leg., 23.vi.1937 ; 4 spec. (ZIN) Svyatohirsk, chalk, Arnoldi leg., 15.vi.1937 ; 2 spec. (ZIN) Donetsky Lyman, Arnoldi leg., 15.vii.1938 ; Kharkiv Prov.: 4 spec. (ZIN) Zmiiv Distr., Zamostje, Iljin leg. ; 2 spec. (ZIN) Zmiiv Distr., Cherkaskyi Byshkyn, Arnoldi leg., 14.viii.1934 ; Kyiv Prov.: 1 spec. (ZIN) Kyiv; Luhansk Prov.: 1 spec. (ZIN) Lisichansk env., sands, Arnoldi leg., 19.vi.1937 ; 1 spec. (ZIN) Stanitsa Olkhovaya, V. Talicky leg., 10.vii.1927 ; Poltava Prov.: 2 spec. (ZIN) Poltava env., Th. Lukjanovich leg., 2.viii.1925; 1 spec. (ZIN) idem, 16.v.1926; 1 spec. (ZIN) idem, 6.vi.1926; 1 spec. (ZIN) Pyryatyn, Th. Lukjanovitsh leg., 24.vii.1925 ; Zhytomyr Prov.: 1 spec. (ZIN) Zhytomyr env., Birulya leg., 19.vi.1897 .

Biology. Forest edge, xerothermic grasslands. Adults occur in IV–X (Dieckmann 1977). On Fabaceae: Genista tinctoria (Hoffmann 1958; Solodovnikova 1963a; Smreczyński 1965; Dieckmann 1977; Nazarenko 2009c); G. germanica, G. pilosa (Dieckmann 1977; Nazarenko 2009c); Cytisus ruthenicus (Dedyukhin 2012) .