Tachinus, Gravenhorst, 1802

Tachinus View in CoL (Tachinu s) nakanei Ullrich, 1975

[Japanese name: Higebuto-marukubi-hanekakushi]

( Fig. 2D View Fig )

Tachinus (Japanotachinus) nakanei Ullrich, 1975:288 View in CoL (original description); LI (1995b): 206 (redescription).

Tachinus View in CoL (Tachinu s) nakanei View in CoL : SCHȖLKE & SMETANA (2015): 481 (as subgenus Tachinus ).

Material examined. JAPAN: HOKKAIDO: 1 ♁, Kitoushi-yama,Ashoro-chô, 4.vi.1989, K. Haga leg. ( KUM); 1 ♁, remains of Kamishihoro Station, Kamishihoro-chô, 8–16.v.1989, K. Haga leg. ( KUM); 1 ♁ 1 ♀, Tomanbetsu, Nopporo-shinrin-kôen, Ebetsu-shi, 4.v.2000, H. Sugaya leg. ( KUM); 1 ♀, Nopporo F.P., Ebetsu-shi, 19–26.vii.2000, S. Hori leg. ( KUM); 1 ♁, Nopporo Forest Park, Ebetsu-shi, 6.v.2001, S. Hori leg. ( KUM); 1 ♁, Hakken-zan, Sapporo-shi, 1.vi.2002, M. Maruyama leg. ( KUM); 1 ♀, Sumikawa, Minami-ku, Sapporo-shi, 7.v.2020, Y. Tasaku leg.( KUM); 1 ♁, same data,but 18.v.2020 ( KUM). HONSHU: AOMORI- - KEN: 1 ♀, Tsuta-onsen, Towadako, 6.viii.1987. S. Nomura leg. ( KUM). YAMAGATA- KEN: 2 ♁♁, Futamata,Asahi-dake, 21.viii.1996, S. Naomi leg. ( KUM). FUKUSHIMA- KEN: 2 ♀♀, Bottom of Oniana-doline, Sendaihira, Tamura-shi, 12–13.vi.1996, K. Haga leg. ( KUM). IBARAKI- KEN: 1 ♀, Inashiki, 29.iv.1983, S. Ômomo leg. ( KUM); 1 ♀, Yamizo-san, Daigo- -machi, 10.iv.2004, S. Ômomo leg. ( KUM). TOCHIGI- KEN: 1 ♀, Yumoto, Nikkô-shi, 26.vi.1982, S. Nagashima leg. ( KUM); 1 ♁ 1 ♀, Yumoto, Nikkô-shi, 29.vi.1982, S. Naomi leg.( KUM); 2 ♁♁ 3 ♀♀, Chuzenji, Nikko, 28–30.vi.1982, S. Naomi leg. ( KUM); 2 ♀♀, Nasu-dake, 3.vi.1994, S. Naomi leg. ( KUM); 1 ♁, Nikko National Park, Ryuzu (1400 m alt.), 16.vii.1980, A. & Z. Smetana leg. (cSch, further specimens in cSme). GUNMA- KEN: 1 ♁, “Hinatani Riv., Shima Spa.”, 15–16.ix.1996, S. Naomi & M. Maruyama leg. ( KUM); 1 ♁, The lakeside of Ô-numa, Akagi-san, 31.viii.1996, T. Takeda leg. ( KUM); 1 ♀, Mikuni-tôge–the headstream of Jigokuzawa, Minakami-machi, 28.v.1995, K. Haga leg. ( KUM); 1 ex., Nikko National Park, Konsei-tôge (1500 m alt.), 15.vii.1980, I. Löbl leg. ( MHNG); 2 exs., Nikko distr., Konsei-tôge (1800–1900 m alt.), 13.viii.1980, P.M. Hammond leg. ( BMNH); 3 exs., Nikko distr., L. Maranuma (1430–1500 m alt.), 11–12.viii.1980, P.M. Hammond leg. ( BMNH); 1 ex., Nikko distr., Kozawa (1000 m alt.), 15.viii.1980, P.M. Hammond leg. ( BMNH); 3 exs., Nikko distr., Hotaka-yama (foot) (1300 m alt.), 14–15.viii.1980, P. M. Hammond leg. ( BMNH); 1 ♀, above Marunuma (1350 m alt.), deciduous forest, 30.vii.1999, V.Puthz leg. (cSch). SAITAMA- KEN: 2 ♁♁, Karisaka, Chichibu-shi, 30.v.1997, S. Naomi leg. ( KUM). KANAGAWA- KEN: 1 ♀, Kohoku-ku,Yokohama-shi, 4.iv.1987, M. Tao leg. ( KUM); 1 ♁ 1 ♀, Kamiyu-Hakone, 23–24.iv.1997, S. Naomi leg. ( KUM); 1 ♀, Near Ô-yama cable-station, Ô-yama, Isehara-shi, 8.v.1984, K. Haga leg. ( KUM). NIIGATA- KEN: 1 ♀, Mukô-yama (1000 m alt.), Yuzawa-machi, 3.vi.1995, K. Haga leg. ( KUM). TOYAMA- KEN: 1 ex., Kaminikawa, Arimine, 29.vii.1980, I. Löbl leg. ( MHNG). YAMANASHI- - KEN: 1 ♁, Daibosatsu, 23.vi.1985, M.Tao leg. ( KUM); 2 ♀♀, same data, but 12.viii.1978 ( KUM); 1 ♀, Daibosatsu-tôge, 9.vi.1979, M. Tao leg. ( KUM); 1 ♁ 1 ♀, Kaminikkawa-tôge, Daibosatsu-rei, 15–18.vii.1982, S. Naomi leg.( KUM); 2 ♀♀, Kiyosato,Yatsu-ga-take, 6.vii.1982, S. Naomi leg. ( KUM); 1 ♀, Jigokudani, Yatsu-ga-take, 8.vii.1982, S. Naomi leg. ( KUM); 1 ♁ 1 ♀, Sanjonoyu, Tabayama-mura, 4.v.1996, M. Maruyama leg. ( KUM); 1 ex., Yanagisawa-tôge (1500 m alt.), Tabayama-mura, 28.iv.–3.v.2004, FIT, Nomura leg. ( KUM). NAGANO- KEN: 1 ♀, Yatsu- -ga-take, 6.vi.1982 ( KUM); 1 ♁ 1 ♀, Nyûkasa-yama, 12.v.1979, M. Tao leg. ( KUM); 2 ♁♁ 1 ♀, Norikura-dake, Matsumoto-shi, 20.viii.1996, S. Nomura leg. ( KUM); 4 ♁♁, Mineno-chaya, Karuizawa, 19.viii.1996, S. Nomura leg. ( KUM); 1 ex., Mt. Iwasuga near Hasuike, H.Franz leg., 1974 ( NHMW). MIE- KEN: 1 ♀, the east face of Sanzukôochi-yama, Ôdaigahara (1500 m alt.), Ôdai-chô, 9.vi.1985, K. Haga leg. ( KUM). NARA- KEN: 1 ♀, Ohdaigahara, 29.v.1985, S. Nomura leg. ( KUM); 3 ♁♁ 2 ♀♀, same data, but 30.v.1985 ( KUM). TOTTORI- KEN: 1 ♁ 1 ♀, Dai-sen, 3–5.v.1980, S. Nomura leg. ( KUM); 2 ♁♁ 2 ♀♀, same data, but 24.v.1985 ( KUM); 1 ♁ 1 ♀, Dai-sen, 22.v.1985, S. Nomura leg. ( KUM). OKAYAMA- KEN: 1 ♁, Mumyôdani, Niimi-shi, 18.v.2003, Y. Fujitani leg. ( KUM); 3 exs., Takiyama (500–700 m alt.), Katsuta-gun,Nagi-chô, litter sifted, 13.iv.2003, Fujitani leg. ( KUM, cSch). SHIKOKU: EHIME- KEN: 1 ♁, Odamiyama, 11.vii.1994, E.Yamamoto leg. ( KUM). KYUSHU: FUKUOKA- KEN: 1 ♁ 1 ♀, Tachibana-yama, 21.vii.1986, S. Naomi leg. ( KUM); 1 ♀, Soeda, sifted, 14.v.2006, T.Lackner leg. (cSch). NAGASAKI- KEN: 1 ♀, Unzen-dake, 3.iv.1979, S. Imasaka leg. ( KUM). TSUSHIMA IS.: 1 ♀, Kamiagatamachi Sagohigashisato, Tsushima-shi, 18.vi.2022, T. Hashizume leg. ( KUM). KUMAMOTO- KEN: 1 ♀, Shiratori-yama, 5.iv.1987, S. Nomura leg. ( KUM). OITA- KEN: 4 ♁♁ 4 ♀♀, Kuro-dake, Kujû, 28.iv.1986, S. Nomura leg. ( KUM); 1 ♁, same data, but 29.iv.1986 ( KUM); 1 ♁, Kuro-dake, Kujû, 9.v.1985, R. Noda leg. ( KUM). MIYAZAKI- KEN: 1 ♀, Ryonan, 10.v.1985, S. Nomura leg. ( KUM).

Diagnosis. Tachinus (Tachinus) nakanei can be distinguished from other members of the subgenus Tachinus from Japan by the combination of the following characters: pronotum and elytra with long setae; humeral area of elytra reddish yellow to reddish brown; male sternite VII with two separate fields of modified setae. For detailed redescription, see LI (1995b: 206).

Biology. This species is often collected from leaf litter.

Distribution. Japan (Hokkaido, Honshu (incl. Oki Isls.), Shikoku, Kyushu (incl. Tsushima Is.)). This species is distributed in lowland to subalpine zones in Japan.

Remarks. This species is recorded from Tsushima Island for the first time.