Stenus (Nestus) illusor Ryvkin 1987

• Main Author: Ryvkin, Alexandr B.
• Format: Text
• Language: unknown
• Published: Zenodo 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Coleoptera; Staphylinidae; Stenus; Stenus illusor; Anadyr; Anadyr’; Magadan; Padus; Kamen’; Anadyr River; Novyi; Bystraya; Splavnaya; Yeropol; Anadyr'; Kamchatka
• Online Access: https://dx.doi.org/10.5281/zenodo.3858628; https://zenodo.org/record/3858628

Stenus ( Nestus ) illusor Ryvkin, 1987 (Figs. 5B, 7B) Stenus ( Nestus ) illusor Ryvkin, 1987: 155. Material examined RUSSIA: 1 ♀, Amur Area, Selemdzhinskiy District, Selemdzha River basin, Angelokit River, 52°53.497’N 132°24.543’E, 430 m a.s.l., mosses and litter under Salix spp. and Alnus sp. with Poaceae gen. sp., Sphagnum squarrosum , Sph . sp., Plagiomnium sp., etc. in flood-plain, 3 Jul. 2007, E.M. Veselova & A.B. Ryvkin leg. (AR). – 1 ♂, Amur Area, Selemdzhinskiy District, Selemdzha River basin, Angelokit River near mouth, 52°53.49’N 132°24.5’E, 420 m a.s.l., mosses and litter under Populus sp., Padus sp., Alnus sp., Abies nephrolepis , Picea ajanensis , etc. with Spiraea spp., Swida alba , Rosa sp., Rhododendron sp., sparse Betula platyphylla , Poaceae gen. spp., Carex spp., Smilacina davurica , Pyrola daurica , Trientalis europaea , etc. in flood-plain forest, 4 Jul. 2007, E.M. Veselova & A.B. Ryvkin leg. (AR); 1 ♀, Amur Area, Selemdzhinskiy District, left side of Selemdzha River, 3 km below Butov Kamen’ rapid, gorge with waterfall, 52°50.94’N 132°11.44’E, 400 m a.s.l., mosses and litter on stones and rocks near, above and below the waterfall, 8 Jul. 2007, E.M. Veselova & A.B. Ryvkin leg. (AR). – 1 ♂, Khabarovsk Territory, Verkhnebureinskiy District, island on Niman River 700 m upstream of Niman cordon of Bureinskiy Nature Reserve, 1040 m a.s.l., mosses and leaf litter in floodplain forest with Populus sp., Salix sp., Spiraea spp., Sorbaria sorbifolia , Poaceae gen. spp., Carex spp., Sphagnum sp., Polytrichum sp., Hylocomium splendens , etc., 11 Aug. 2008, A.B. Ryvkin leg. (AR); 1 ♂, 1 ♀, Magadan Area, 2 km W of Splavnaya, №236, 2 Sep. 1981, A. Ryabukhin leg. (AR); 1 ♀, Magadan Area, 35 km N of Magadan, №184, 16 Aug. 1981, A. Ryabukhin leg. (AR); 1 ♀, same locality, №194, 20 Aug. 1981, A. Ryabukhin leg. (AR); 1 ♀, Kamchatka, Esso, flood-plain of Bystraya River, 27 Jun. 1975, B.A. Korotyayev leg. (AR); 1 ♀, Chukot Peninsula, Anadyr River basin, Novyi Yeropol, middle flood-plain, osier-bed with Poaceae on silty clay sand: soil trap, 15 Jul. 1986, E.G. Matis leg. (AR). Remarks The species was previously known only for the male holotype: ‘ Khabarovsk Territory, Amur basin, Lyanchli River, confluent of Gorin River, 5.ix.1975, O.N. Kabakov leg.’ (ZIN). Based on the new material, I regard it as being widely distributed across the Russian Far East, except the southernmost territories. : Published as part of Ryvkin, Alexandr B., 2012, New species and records of Stenus (Nestus) of the canaliculatus group, with the erection of a new species group (Insecta: Coleoptera: Staphylinidae: Steninae), pp. 1-62 in European Journal of Taxonomy 13 on pages 35-36, DOI: 10.5852/ejt.2012.13, http://zenodo.org/record/3857775 : {"references": ["Ryvkin A. B. 1987. New species of Stenus Latreille 1796 from the Far East of the Soviet Union (Insecta: Coleoptera: Staphylinidae). Senckenbergiana biologica 68 (1 / 3): 149 - 161."]}