Stenus (Nestus) canalis Ryvkin 2012, sp. nov.

Stenus (Nestus) canalis sp. nov. (Figs. 4 C–D, 5 E) Stenus canaliculatus – Shavrin & Puthz 2007: 114 (pars). Material examined RUSSIA: Holotype: ♂, ‘ Magadan Area, Ten’kinskiy | District, Detrin River basin, | Vakkhanka Rill. Plateau: open | plots, soil traps. | 01– 11.06.1983. S.P. Bukhkalo [le...

Full description

Bibliographic Details
Main Author: Ryvkin, Alexandr B.
Format: Other/Unknown Material
Language:unknown
Published: 2012
Subjects:
Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Stenus
Stenus canalis
Kolyma
Magadan
Detrin
Omsukchan
Spornoye
kolyma river
Online Access:https://zenodo.org/record/3858644
https://doi.org/10.5281/zenodo.3858644
Description
Summary:Stenus (Nestus) canalis sp. nov. (Figs. 4 C–D, 5 E) Stenus canaliculatus – Shavrin & Puthz 2007: 114 (pars). Material examined RUSSIA: Holotype: ♂, ‘ Magadan Area, Ten’kinskiy | District, Detrin River basin, | Vakkhanka Rill. Plateau: open | plots, soil traps. | 01– 11.06.1983. S.P. Bukhkalo [leg.]’ , ‘HOLOTYPUS’ <my standard printed red label>, ‘ Stenus HT | canalis sp. n. | A.B. Ryvkin det., 2010’ <my standard determinative label> (ZMMU). Paratypes: 1 ♂, ‘ Magadan Area, Ten’kinskiy | District, near Sibit-Tyhellakh. | Dry birch forest. 14– 24.07.1982. | D.I. Berman [leg.]’ (AR); 1 ♂, ‘ Khabarovsk Territory, Jewish | Autonomous Area, Obluchenskiy | District, near Pashkovo. Puddle | bank under steep. | 05.07.1977. A.B. Ryvkin [leg.]’ , ‘ Stenus | canaliculatus Gyll. | A.B. Ryvkin det. 1978’ (AR); 1 ♂, ‘ Maritime Province, Khasan, | Golubinyi Utyos. | 4.viii. | 1991 S.A. Kurbatov [leg.]’ (AR); 1 ♂, ‘ Maritime Prov. | flood-plain of Poyma River | 30.07.–06.08.[19]99 | Shavrin A. [leg.]’ , ‘ Stenus Gyll. | canaliculatus | det. V. Puthz 2005’ (AR); 1 ♂, ‘Chita Area | NE side of Barun-Torey Lake | Myrgen Cape | 18– 19.06.1994 | V.[G.] Shilenkov leg.’ , ‘ Stenus Gyll. | canaliculatus | det. V. Puthz 1999’ (AR); 1 ♂, ‘5.08.[19]86 | Buryatya | Zaigraevo[=Zaigrayevo] 1695 [=5695th km] st[ation] | Voincov[=Voinkov] A. [leg.]’ , ‘3-23 | canal.’, ‘ Stenus | canaliculatus | Shavrin A. det. 2006’ (ASh). — The paratypes listed above are also provided with both ‘PARATYPUS’ printed red label and my standard determinative label (‘ Stenus | canalis sp. n. | A.B. Ryvkin det., 2010’) for each lot. — 1 ♀, Magadan Area, upper reaches of Kolyma River, 7 km NNE of Omsukchan, 10 Jul. 1980, O. Mashukova leg. <?> (AR); 1 ♀, Magadan Area, upper reaches of Kolyma River, 5 km NE of Spornoye, 21 Jun. 1981, A. Ryabukhin leg. <?> (AR). Differential diagnosis This species is closely related to S. (N.) canaliculatus Gyllenhal, 1827 and differs from it by the smaller body size, by the much more irregular puncturation, by ...

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