The family Onychiuridae (Collembola) from karst caves of the Basque biospeleologic district, with description of four new species Author Beruete, Enrique 0000-0002-3240-8946 University of Navarra, Faculty of Sciences, Department of Environmental Biology, University Campus, 31080 Pamplona, Spain. eberuete @ yahoo. es; https: // orcid. org / 0000 - 0002 - 3240 - 8946 eberuete@yahoo.es Author Arbea, Javier I. c / Ría de Solía 3, ch. 39. 39610 El Astillero (Cantabria). Author Baquero, Enrique 0000-0002-3240-8946 University of Navarra, Faculty of Sciences, Department of Environmental Biology, University Campus, 31080 Pamplona, Spain. eberuete @ yahoo. es; https: // orcid. org / 0000 - 0002 - 3240 - 8946 & University of Navarra, Institute of Biodiversity and Environment (BIOMA), University Campus, 31080, Pamplona, Spain * corresponding author: ebaquero @ unav. es; https: // orcid. org / 0000 - 0002 - 2145 - 8606 eberuete@yahoo.es Author Jordana, Rafael 0000-0002-3240-8946 University of Navarra, Faculty of Sciences, Department of Environmental Biology, University Campus, 31080 Pamplona, Spain. eberuete @ yahoo. es; https: // orcid. org / 0000 - 0002 - 3240 - 8946 eberuete@yahoo.es text Zootaxa 2021 2021-09-21 5040 2 151 194 journal article 10.11646/zootaxa.5040.2.1 1175-5326 5531192 CC1289B1-4FF9-4369-A596-9FF260C8F314 Deuteraphorura aralarensis ( Beruete, Arbea & Jordana, 2001 ) Onychiurus aralarensis Beruete, Arbea & Jordana, 2001 . Boln. Asoc. esp. Ent. , 25(1-2): 17 Deuteraphorura aralarensis (Beruete, Arbea & Jordana) : Arbea et al. , 2011 . Boletín de la Sociedad Entomológica Aragonesa (S.E.A.) , 48: 352 Studied material. Loc. 26. 3 ex. , 1.XI.1968 ; 2 ex. , 12.X.1979 ; 1 ex. , 6.XI.1983 ; 8 ex. , 27.X.1985 ; 13 ex. , 4.VIII.1987 ; 2 ex. , 28.III.1987 ; 1 ex. , 31.V.1988 . Loc. 38. 10 ex. , 3.XII.1985 ( holotype and paratypes ); 8 ex. , 7.I.1966 . Endemic species from the Sierra de Aralar ( Beruete 2000a , Beruete et al. 2001 , Beruete et al. 2002 , Galán 2012 , Jordana et al. 2012 ), its distribution overlapping with that of D. boneti . It has been found on plant remains and on the surface of gours and puddles.