New species and records of Entomobryidae and Orchesellidae (Collembola) from the East Caucasus (Russia) Author Baquero, Enrique University of Navarra, Faculty of Sciences, Institute for the Biodiversity and Enviroment (BIOMA) and Department of Environmental Biology, University Campus, 31080, Pamplona, Spain. Author Potapov, Mikhail Department of Zoology and Ecology, Institute of Biology and Chemistry, Moscow State Pedagogical University, 129164, Moscow, Russia. Author Jordana, Rafael 0000-0001-9088-787X University of Navarra, Faculty of Sciences, Institute for the Biodiversity and Enviroment (BIOMA) and Department of Environmental Biology, University Campus, 31080, Pamplona, Spain. & rjordana @ unav. es; https: // orcid. org / 0000 - 0001 - 9088 - 787 X rjordana@unav.es text Zootaxa 2021 2021-06-24 4991 2 247 270 journal article 5536 10.11646/zootaxa.4991.2.2 d14924df-bb99-4a8d-a422-6f424821e076 1175-5326 5030462 97B6D5C4-7A9D-4D9D-A116-74B3D61AD213 Sinella curviseta Brook, 1882 Studied material . RUSSIA , North Caucasus , Chechnya . Vedenskiy district , Tevzana , floodplain grazing forest, in an ant nest, ( 42.981698 , 45.899357 , 529m a.s.l. ), 21.iv.2018 , hand collection, two females on slide ( CAU2018-19 R-02 and 03) and 14 specimens in ethyl alcohol ( CAU2018-19 R-04 to 17); 19.iv.2018 , one specimen in ethyl alcohol ( CAU2018-20 R-02); Chechnya , Shatoisky district , Argunskoye Canyon , near Shatoi , 490 m alt., deciduous forest, rotten wood ( 42.867916 , 45.680073 ), 19.iv.2018 , two specimens in ethyl alcohol ( CAU 2018-27-02 and 03 ). All Kuznetsova N. , Potapov M. and Kremenitsa A. leg. Remarks. Widely distributed species preferring disturbed sites.