Tachinus ( Latotachinus ) punctiventris Sharp, 1888

Tachinus ( Latotachinus) punctiventris Sharp, 1888 View in CoL

[Japanese name: Kurotsuya-marukubi-hanekakushi]

( Fig. 1A View Fig )

Tachinus punctiventris Sharp, 1888: 385 View in CoL (original description); LI (1995b): 201 (redescription).

Tachinus strigiventris Bernhauer, 1907: 387 View in CoL (original description); LI (1995b): 203 (as valid species); SCHȖLKE (2015): 7 (synonymized with T. punctiventris View in CoL ).

See LI (1995b: 201) for complete synonymy.

Material examined. JAPAN: HOKKAIDO: 1 ♀, Futamatazawa, Ôno-chô, Kameda-gun, 4.vi.1992, R. B. Kuranishi leg. ( KUM); 1 ♁, Chiroro-dake, Hidaka-chô, 10.vii.1992, K. Haga leg. ( KUM); 1 ♀, same data, but 24.vii.1993 ( KUM); 1 ♀, “Higashi-Ohnuma Nanae, Oshima”, 14.vi.1986, S. Nomura leg. ( KUM); 2 ♀♀, Ashoro-chô, 24.vi.1980, H. Takemoto leg. ( KUM); 1 ♀, Iwaobetsu, Shari-chô, 3.viii.1989, K. Haga leg. ( KUM); 1 ♁ 4 ♀♀, Shiretoko-tôge, Shari-chô, 3.viii.1989, K. Haga leg. ( KUM); 1 ♁, head of the stream of Yon-no-sawa, Mitsumata (about 1400 m alt.), Kamishihoro-chô, 9.vii.2004, K. Haga leg. ( KUM); 1 ♁, Atsunai, Urahoro-chô, 26.vii.2009, M. Ohara leg. ( KUM); 1 ♁, Shippu, Atsuta-ku, Ishikari-shi, 2.vi.2018, Y. Tasaku leg. ( KUM). HONSHU: FUKUSHIMA- KEN: 1 ♀, Buna-daira,Hinoemata-mura, 5.viii.1984, K.Haga leg. ( KUM); 1 ex., Aizu-Wakamatsu, 16.iv.2006, T. Lackner leg. (cSch). IBARAKI- KEN: 1 ♁, The left bank of the Watarase-gawa just upstream of Mikuni bridge, Koga-shi, 23.ix.1996, K.Haga leg.( KUM). TOCHIGI- KEN: 1 ♁, Yumoto, Nikkô-shi, 26.vi.1983, Y. Nagashima leg. ( KUM); 1 ♀, Nikkozawa, Nikko-shi, 6.vii.1995, S. Naomi leg. ( KUM); 2 ♁♁, Nasu- -dake, 3.vi.1994, S. Naomi leg. ( KUM); 1 ♁, Maeshirane-san, Nikkô-shi, 2.vii.1982, S. Naomi leg. ( KUM); 1 ♁, Senjugahama, Nikkô-shi, 27–28. vii.2021, S. Imada leg. ( KUM); 1 ex., Akamure b. Nikko ( 1450 m alt.), 1974, H. Franz leg. ( NHMW); 2 exs., Nikko National Park, Ryuzu, ( 1400 m alt.), 16.vii.1980, I. Löbl leg. ( MHNG). GUNMA- KEN: 1 ex., Usui-tôge, ( 900 m alt.), 25.vii.1980, I. Löbl leg. (cSch, further specimens in MHNG); 1 ex., 7 km E Usui-tôge, ( 850 m alt.), 24.vii.1980, A. & Z. Smetana leg. (cSch, further specimens in cSme). SAITAMA- KEN: 1 ♁, Right bank of the Edo-gawa,a little downstream of the Kinnoi-ô-hashi,Kasukabe-shi, 21–23. ix.1991, K. Nemoto leg. ( KUM). CHIBA- KEN: 1 ♁, Hagiyamashinden, Sakura-shi, 17.iv.1990, T. Takeda leg. ( KUM); 1 ♁, Tozura, Yôrô-keikoku, Ichihara-shi, 20.v.1990, T. Takeda leg. ( KUM); 1 ♀, Yomogi, Kiyosumi-yama, 13.v.1990, T. Takeda leg. ( KUM); 1 ♁, “Yôrô-valley”, 9.v.1993, Ôgi leg.; 2 ♁♁, “Fudago”,Kimitsu-shi, 20.iv.1989,S. Naomi leg. ( KUM); 1 ♁, 19.v.1979, M.Tao leg.( KUM). TOKYO- TO: 1 ♀, Mitake-san, 26.vi.1977, M. Tao leg. ( KUM); 1 ♁, Fuchû-shi, 12.iv.1987, M. Tao leg. ( KUM); 1 ♁, Takao-san, 6.vii.1985, M. Tao leg. ( KUM); 1 ♀, same data, but 29.vii.1979 ( KUM). NIIGATA- KEN: 1 ♁, The left bank of Uono-gawa, Horikiri,Minamiuonuma-shi, 7.v.1995, K. Haga leg. ( KUM). FUKUI- KEN: 1 ♁, Taniyama, Ôno, 8.vi.1975, H. Sasaji leg. ( KUM). YAMANASHI- KEN: 1 ♁, Daibosatsu-tôge, 9.vi.1979, M. Tao leg. ( KUM); 1 ♀, Kiyosato Yatsu-ga-take, 6.vii.1982, S. Naomi leg. ( KUM); 1 ♀, Tamuse, Ôtsuki-shi, 24.vii.1983, K. Haga leg. ( KUM). NAGANO- KEN: 2 exs., Mt. Iwasuge bei Hasuike östlich Nagano, 1974, Franz leg. (cSch, NHMW); 2 exs., Kamikochi, Northern alps ( 5000 ft. alt.), 20.vi./ 30.vii.1939, E. Suenson leg. ( ZMUK,cSch). MIE- KEN: 1 ♀, East face of Sanzukôochi-yama,Ôdaigahara ( 1500 m alt.), Ôdai-chô, 9.vi.1985, K. Haga leg. ( KUM). KYOTO- FU: 1 ♀, Iwakura, 11.iv.1981, T. Ogata leg. ( KUM). HYOGO- KEN: 1 ♀, “Otomizudani” (probably Onzui-keikoku), 6.vi.1984, S. Nomura leg. ( KUM). NARA- KEN: 1 ex., Nara-kôen, 24.iii.2006, T.Lackner leg. (cSch); 1 ex., foot of Mt.Kasuga, 20.viii.1980, P.M.Hammond leg. ( BMNH). TOTTORI- KEN: 1 ♀, Hôki-Dai-sen, 12.vi.1976, S. Naomi leg. ( KUM). OKAYAMA- KEN: 2 exs., Aida-gun, Higashiawakura-son, Ushiroyama, 3.v.2003, litter sifted, Fujitani leg. ( KUM, cSch); 1 ex., Okayama-shi, Kugui, under seaweed at beach, 9.v.2003, Fujitani leg.( KUM). KYUSHU: KUMAMOTO- KEN: 1 ex., Yamaingiri, Gokanoshỏ, 9.vii.1983, H. Aramaki leg. ( KUM).

Diagnosis. Tachinus ( Latotachinus) punctiventris is distinguished from other members of the subgenus Latotachinus by the combination of the following characters: head and pronotum without microsculpture; abdomen with fine pubescence; male tergite VIII with three lobes. For detailed redescription, see LI (1995b: 201).

Distribution. Japan ( Hokkaido, Honshu, Shikoku, Kyushu). This species is widely distributed in lowland to subalpine zones in mainland Japan.

Remarks. The type material of T. punctiventris was studied by ULLRICH (1975) who designated a lectotype and included five additional specimens as paralectotypes.According to SHARP’ s (1888) original description, only one of these additional specimens (the female from Oyayama) can be regarded as a type specimen.

This species displays intraspecific variation in wing morphology, with macropterous (wings well-developed, functional) or brachypterous individual (wings small, flightless). The majority of specimens are macropterous, some are brachypterous. The macropterous individuals exhibit a pair of pruinose spots on each of the tergites III and IV, whereas the brachypterous individuals display a pair of pruinose spots solely on tergite III or none at all.