Tychius (Tychius) flavus Becker

Tychius flavus Becker, 1864

Tychius difficilis Tournier, 1874

Records. CRI ČRK DNI DON* KHE KHM KHR* KYI LUG LWI MYK* ODE TER VIN ZAK ZAP* [Łomnicki 1891: 22; Łomnicki 1905: 80; Tenenbaum 1937: 345; Arnoldi 1956: 334; Kryshtal 1956: 321; Tveritina 1956b: 137; Kryshtal 1959: 79; Dieckmann 1988: 403; Petrukha et al. 1988: 135; Caldara 1990: 173; Isayev 1994: 40; Nazarenko et al. 1998a: 112; Nazarenko et al. 1998b: 119; Nazarenko et al. 1999: 532; Kotenko 2000: 55; Mazur 2002: 241; Caldara 2004a; Sumarokov 2004: 136; Nazarenko 2005a: 94; Nazarenko & Petrenko 2008: 46; Parkhomenko et al. 2009: 122; Sumarokov 2009: 180; Nazarenko 2010d: 90; Caldara 2013a: 165; Mikhailov 2013: 115; Sumarokov & Nazarenko 2015: 18].

Distribution. Europe, Caucasus, Asia Minor, Iran, Kazakhstan, Middle Asia, Siberia, Mongolia (Caldara 2013a).

Material examined. Cherkasy Prov.: 1 spec. (ZIN) Kaniv, Kryshtal, 21.vii.1936; Crimea: 1 spec. (ZIN) Vodnoye, sands, S. Medvedev, 20.ix.1930 ; 1 spec. (ZIN) Simferopol Pawlowski leg., 6–10.vi.1911; 1 spec. (ZIN) idem, 10.vi.1911; 1 spec. (ZIN) Bakhchisarai Distr., Sokoline, Winter leg., 3–7.vii.1985 ; 1 spec. (ZIN) Krasnoperekop [= Yani Kapu]. Distr., Novopavlovka, pitfalltrap, A.G. Koval, 2.vi.–29.vii.1991 ; Donetsk Prov.: 4 spec. (ZIN) Netrius, meadows, Arnoldi leg., 13.vi.1940 ; 1 spec. (ZIN) Sloviansk, salty land, Torets, Arnoldi leg., 2.vi.1939 ; 1 spec. (ZIN) Tetyanivka, Svyatohirsk, Arnoldi leg., 25.vi.1937 ; 3 spec. (ZIN) idem, 21.vi.1938; 3 spec. (ZIN) Novoselivka, Svyatohirsk Monastery, Arnoldi leg., 15–16.vi.1938 ; 1 spec. (ZIN) idem, Arnoldi leg., vii.1936; 2 spec. (ZIN) Prishib, Svyatohirsk Monastery, Arnoldi leg., vii.1936 ; 1 spec. (ZIN) idem, 23.vi.1939; 1 spec. (ZIN) Sidorove, Svyatohirsk Monastery, Arnoldi leg., 28.v.1939 ; 2 spec. (ZIN) idem, 10.vi.1939; 1 spec. (ZIN) Banne, Siverskyi Donets River, Svyatohirsk Monastery, Arnoldi leg., vii.1936 ; 1 spec. (ZIN) Yaseneve, Svyatohirsk, Arnoldi leg., 7.vi.1939 ; 1 spec. (ZIN) Svyatohirsk Monastery, Arnoldi leg., 21.vi.1938 ; 2 spec. (ZIN) idem, 1.vi.1939; 1 spec. (ZIN) idem, 4.vi.1939; 1 spec. (ZIN) Svyatohirsk, Arnoldi leg., vii.1939 ; 1 spec. (ZIN) Svyatohirsk Monastery, Arnoldi leg., 22.vi.1937 ; 1 spec. (ZIN) idem, 29.v.1939; 1 spec. (ZIN) Steppe along Nyrkovo-Vyemka, Arnoldi leg., 8.vi.1939 ; Kharkiv Prov.: 1 spec. (ZIN) Merefa, Stepanov leg., 1.vii.1955; 1 spec. (ZIN) Konstantinograd, Th. Lukjanovich, 1.viii.1923 ; Kherson Prov.: 1 spec. (ZIN) Askania-Nova Nature Reserve, S.I. Medvedev leg., 25.vi.1925 ; 4 spec. (ZIN) Black Sea Biosphere Reserve, L. Zelinskaya leg., 10.ix.1987 ; Luhansk Prov.: 1 spec. (ZIN) Lisichansk, sands, Arnoldi leg., 19.vi.1937 ; 1 spec. (ZIN) Stanitsa Luhanska, Talicky leg., 23.vi.1929; 1 spec. (ZIN) Provallya, Luhansk env., S.I. Medvedev leg., 24.vi.1931; 2 spec. (ZIN) Derkul, K.Arnoldi leg., 4.vi.1952 ; 2 spec. (ZIN) idem, 11.vi.1952; Mykolaiv Prov.: 1 spec. (ZIN) Novy Vorms, Pervomajsky env., A. Kirichenko leg., 27.vi.1925 ; Odesa Prov.: 1 spec. (ZIN) 8–14 km S Reni, D. R. Kasparyan leg., 20.vi.1997 ; Zaporizhia Prov.: 1 spec. (ZIN) Yakymivka Distr., Altagir, under Melilotus S. Volovnik leg., 6.vi.1986 .

Biology. Xerothermic grasslands, agricultural habitats. Adults occur in V–IX. On Fabaceae: Medicago falcata (Smreczyński 1972; Lohse 1983h; Dieckmann 1988); M. sativa (Smreczyński 1972; Dieckmann 1988); Melilotus officinalis (Smreczyński 1972) .