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SNAME  Synuchus nitidus (Motschulsky, 1861)
JNAME  ookurotsuyahiratagomimushi
Collection ground Sumoto city, Hyogo Pref. 1998/9/19
Distribution Hokkaido, Honshu, Shikoku, Kyushu
Ecology silvicolous (Ishitani 1996, Taniwaki et al. 2005), plantation of Chamaecyparis obtusa (Tanaka 1981), Quercus serrata forest (Tanaka 1981), coppice forest (East Japan Research Group of Carabid Beetles 1989, Tanaka 1991a, Hosoda et al. 1996, Taniwaki et al. 2005, Kagawa 2008, Matsumoto 2008, Matsumoto 2009a), secondary forest of Pinus densiflora (East Japan Research Group of Carabid Beetles 1989, Ishitani 1996), forest in flatland or low mountain (Kasahara and Nishiyama 1990), forest adjoinig agroecosystems (Yahiro et al. 1990), plantation of Chamaecyparis obtusa and Cryptomeria japonica (Tanaka 1991a, 1991b), paddy field (Yahiro et al. 1992), grassland along mountain trail (Tanaka 1991b), woods (Sunose 1992, Sunose and Kurosawa 1992), forest edge (Sunose 1992, Sunose and Kurosawa 1992, Kato 2000), slope of mound (Sunose 1992, Sunose and Kurosawa 1992), cedar forests (Togashi and Sugie 1994, Hiramatsu 2004), edge of broad-leaved deciduous forest neighboring paddy fields (Togashi and Hashimoto 1994), Betula ermanii forest (Kimoto and Yasuda 1990, Kimoto and Yasuda 1995), mixed forest (Kimoto and Yasuda 1995, Ueda et al. 2010), broad-leaved forest in low mountain region (Kimoto and Yasuda 1991, Kimoto and Yasuda 1995), riverbed (Ishii et al. 1996, Lee and Ishii 2009b), secondary forest of Alnus sieboldiana (Ishitani 1996), mountain (Hosoda 1996), primary forest (Hosoda 1996), forest edge (Hori 2001), grassland (Hori 2001), forest (Siddiquee and Nakamura 2004, Suttiprapan and Nakamura 2007, Hori 2008), upland field (Hiramatsu 2004), grassland (Taniwaki et al. 2005), broad leaved forest (Matsumoto 2005, Matsumoto 2008, Matsumoto 2009a), suburban forest (Fujita et al. 2008), urban forest (Fujita et al. 2008), paddy field (Kagawa 2008, Lee et al. 2008, Lee and Ishii 2009), urban park (Lee and Ishii 2009), Satoyama forest (Lee and Ishii 2009a), gravelly floodplain (Lee and Ishii 2010), laurel forest (Matsumoto 2009b), adult or larva (Ishitani 1996), autumn (Tanaka 1981, Tanaka 1991ab), from September to October (Ishitani 1996), carnivorous (Ishitani 1996), nocturnal (Tanaka 1991a), proovigenic type (Ishitani 1996)
Types 　 　 　
Remarks Crepidodactyla nitida Motschulsky, 1861, Etud. Ent., 10: 5 (“Japon”) (Habu 1978e), Crepidactyla nitida Motschulsky, Crepidodactyla nitida Motschulsky, Crepidactyla cyclodera Bates, Calathus (Crepidactyla) nitidus Motschulsky, Synuchus nitidus Motschulsky, Synuchus (Crepidactyla) nitidus Motschulsky (Habu 1978e)