Acanthomegabunus sibiricus Tsurusaki, Tchemeris & Logunov 2000

Tchemeris, A. N., 2015, Taxonomic notes on Acanthomegabunus Tsurusaki, Tchemeris & Logunov 2000 (Arachnida: Opiliones: Phalangiidae), with a description of the new species A. altaicus sp. n. from the Altai Mountains of Russia and NE Kazakhstan, Zootaxa 3990 (4), pp. 567-574 : 568-569

Acanthomegabunus sibiricus Tsurusaki, Tchemeris & Logunov 2000

Figs 1 , 5 , 14–15, 17 , Map 1

Acanthomegabunus sibiricus Tsurusaki, Tchemeris & Logunov 2000 : Fig. 1–4 (♂ holotype in SZM, examined).

Type. Holotype ♂ ( SZM) from Russia, Krasnoyarsk Province, Ermakovskoye Distr., West Sayany Mts., 2–3 km N of Aradan, Beliy Us River Valley [52°36'N, 93°27'E], 840–850m a.s.l., 8–9.VII.1990 (D. V. Logunov). For the rest of type material studied in the original description of this species see Tsurusaki et al. (2000).

Specimens examined (new localities) RUSSIA: Kemerovo Area: 5 ♂, 1 ♀ ( SZM O.001.0170), Novokuznetskii Distr., Kuznetskii Mt. Range, ca. 37 km S of Belogorsk vill., Chemodan Mt., Kil river valley, 30.VII.1995 (N. B. Demidenko); 1 ♂, 1 ♀ ( SZM O.001.0171), s.l.., 2 km N of Rybnoe Lake, 1400 m a.s.l., 29.VII– 03.VIII.2005 (S. Babina et al.); 2 ♂ ( SZM O.001.0172), Gornaya Shoriya, ca. 12 km NNE of Sheregesh Vil., basin of Bolshoi Unas River, 500–700m a.s.l., 07–27.VI.1999 (D. E. Lomakin).— Altai Territory: 2 ♂ ( SZM O.001.0162), Charyshskii Distr., upper of Sentelek River, Gor’kii Belok Mt., 1850–1950 m a.s.l., [51o04,05’N 83o35’E], 26.VI.2011 (R. Yu. Dudko); 2 ♂ ( SZM), Charyshskii Distr., upper of Belogolosov Korgon River, 1800– 1950m a.s.l., [50o58’N 83o40–41’E], 29.VI.2011 (s.c.); 6 ♂ 1 ♀ ( SZM O.001.0163), Charyshskii Distr., Gorelyi Korgon River Valey, 1050–1150 m a.s.l., [51o00–01’N 83o48–49’E], 01.VII.2011 (s.c.); 6 ♂ 4 ♀ ( SZM O.001.0164), Tigiretskii Mt. Range, Malyi Tigirek River valley, 500–1000 m a.s.l., 16–18.VI.2000 (s.c.); 4 ♂ 6 ♀ ( SZM O.001.0175), Turochakskii Distr., env. of Artybash Vill., 06–23.VII.2003 (S. B. Ivanov); 1 ♂ ( SZM O.001.0165), s.l., 20.VI–06.VII.2004 (s.c.); 1 ♂, s.l., 23.VII.2010 ( O. Biryukova); 1 ♀ ( SZM O.001.0166), Katunskii Mt. Range, Katunskii Reserv., Srednee Kuktinskoe Lake, ca 30 km SE of Ust-Koksa, 1600–2200 m a.s.l., 30.VII–05.VIII.1994 (S. I. Golovatch & A. Ryvkin); 1 ♂ ( SZM 001.0112), right bank of Teletskoe Lake, banks of mountain river, 18.VI.2012 (G. N. Azarkina).— Khakassia: 5 ♂ ( SZM O.001.0168), West Sayany Mts., 50 km SSW of Tashtyp vill., central part of Khansyn Mt. Range, 1400–2100m a.s.l., 11–24.VII.2000 (D. E. Lomakin); 3 ♂ ( SZM O.001.0169), Abakanskii Mt. Range, 60 km WNW of Tashtyp Vill., Bolshaya Kotylga Mt., 1400–1800 m a.s.l., 16–25.VI.2000 (s.c.).— Tuva: 3 ♂ 3 ♀ ( SZM O.001.0167), West Sayany Mts, Kurtushibinskyi Mt. Range, c. 10 km NW of Shivilig Vil. [52о14'N, 93о28'E], 1100–1300 m a.s.l., 06–07.VII.1990 (D. V. Logunov); 2 ♂ ( SZM O.001.0168), SW Tuva, 10–14 km WNW of Kara-Khol Lake, Monagy River, 1550–1800 m a.s.l. [51o29’N 89o21’E], 13.VI.2007 (R. Yu. Dudko & S. I. Lyubechanskii).

Distribution. The mountains of South Siberia; so far reported from the southern part of Krasnoyarsk Province, the Altai, Kemerovo Area, Khakassia and Tuva, Russia (Map. 1).

Description. See Tsurusaki et al. (2000).

Figures

FIGURES 1 – 3. Males of Acanthomegabunus species. 1, A. sibiricus, lateral view; holotype of A. altaicus sp. n.; 2, lateral view; 3, dorsal view.

FIGURES 4 – 5. Lateral view of anterior part of male Acanthomegabunus: 4, A. altaicus sp. n.; 5, A. sibiricus.

FIGURES 12 – 17. Penes of Acanthomegabunus species. Holotype of A. altaicus sp. n.: 12, dorsal view; 13, lateral view. A. sibiricus: 14, dorsal view; 15, lateral view; 16, glans of A. altaicus sp. n.; 17, glans of A. sibiricus.