Microdytes shunichii Sato , 1995

Okada, Ryohei, Jaitrong, Weeyawat & Wewalka, Guenther, 2023, A review of Microdytes J. Balfour-Browne, 1946 from Thailand, Laos, and Cambodia with descriptions of five new species and new records (Coleoptera, Dytiscidae), ZooKeys 1159, pp. 87-119 : 87

Microdytes shunichii Sato, 1995

Fig. 36

Microdytes shunichii Satô, 1995: 313; Wewalka 1997: 38; Wewalka 2011: 33; Nilsson and Hájek 2023: 212.

Microdytes holzmanni Wewalka & Wang, 1998: 66.

Microdytes holzmannorum : Nilsson 2007: 51 (as unjustified emendation of Microdytes holzmanni ).

Type locality.

Vietnam, Vinh Phuc Province, Mt. Tam Dao.

Material examined.

Thailand: Phetchabun Province. 1♀, Lom Kao District, Ban Noen St. 187 (alt. 1620 m), 20.IX.2020, R. Okada leg. (CRO) ; 3♂♂, 2♀♀, same locality, St. 294, 18.VI.2022, R. Okada leg. (CGW, CRO, THNHM) .

Laos: Luang Namtha Province. 62 exs., 10 km E Muang Sing, Ban Oudomsinh / B. Nam Det / B. Nam Mai, 21°09-10'N, 101°13-15'E, 750-1400 m, 14.-20.V.2011, NHMB Basel , Laos 2011 Expedition, D. Hauk & M. Geiser (CGW, CRO, NMB, NMP) (Fig. 36 ); Luang Prabang Province. 1♂, 5 km W Ban Song Cha, 20°33-34'N, 102°14'E, 1200 m, 24.-30. IV.1999, V. Kubáň leg. (NMB); Khammouan Province. 2♂♂, Nakai-Nam Theun NPA, Ban Navang env., 17°57-59'N, 105°13-16'E, alt. 600-750 m, 18.-21.V.2012, NHMB Basel , Laos 2012 Expedition, M. Brancucci, M. Geiser, K. Phanthavong & S. Xayalath leg. (NMB); Savannakhet Province. 1♀, Phou Xang He NBCA, ca. 5 km SW Ban Pa Phaknau, 17°00'N, 105°38'E, alt. 250-400 m, 31.V. - 6.VI. 2011, NHMB Basel , Laos 2011 Expedition, M. Brancucci, M. Geiser, D. Hauk, Z. Kraus, A. Phantala & E. Vongphachan leg. (CGW, NMB, NMP); Attapeu Province. 1♂, 1♀, Dong Amphan National Bio-Diversity Conservation Area, Nong Fa (crater lake) env., 15°05.9'N, 107°25.6'E, alt. ca. 1160 m, 30.IV.-6.V.2010, J. Hájek leg. (NMP); 1♀, Thong Kai Ohk , Ban Kachung ( Mai ) env., 15°01-02'N, 107°26-27'E, 1200-1450 m, 10.-24.VI.2011, NHMB Basel Laos 2011 Expedition, M. Geiser, D. Hauk, A. Phantala & E. Vongphachan leg. (NMB) .

Distribution.

Thailand: Nan, Chiang Mai, and Phetchabun (first record) provinces; Laos: Phongsali (first record), Luang Namtha (first record), Oudomxai, Luang Prabang (first record), Vientiane, Khammouan, Savannakhet (first record), and Attapeu (first record) provinces; China: Yunnan Province, Hong Kong; Vietnam: Vinh Phuc Province.

Figures

Figures 18 - 37. Habitus of 18 Microdytes akitai 19 M. balkei 20 M. dimorphus 21 M. feryi (paratype, from Myanmar) 22 M. franzi 23 M. gabrielae 24 M. heineri 25 M. maculatus 26 M. mariannae 27 M. menopausis 28 M. paoloi 29 M. pasiricus 30 M. pederzanii 31 M. rocchii 32 M. schoedli 33 M. schoenmanni (from Myanmar) 34 M. schwendingeri 35 M. shepardi 36 M. shunichii 37 M. zetteli. Scale bar: 1.0 mm.