Enchytraeus demutatus sp. nov. (Enchytraeidae, Oligochaeta) has characters hitherto unrecorded in the genus Author Schmelz, Rüdiger M. IFAB InStitUte OF APPlied SOil BiOlOgy, TOmberg 24 a, 22337 HambUrg, Germany & UniveRSiTy Of A CORUÑa, Science FacULTy, GIBE, EvOLUTiOnaRy BiOLOgy GROUP, CICA, CenTRO de InveSTigaciOneS CienTÍficaS Author Klinth, Mårten J. DePartment OF BiOlOgical & EnvirOnmental ScienceS, UniverSity OF GOthenbUrg, P. O. BOX 463, SE- 405 30 GOthenbUrg, Sweden Author Chalkia, Christina AgricUltUral UniverSity OF AthenS, SchOOl OF Plant ScienceS, FacUlty OF CrOP Science, LabOratOry OF AgricUltUral ZOOlOgy and Author Anastasiadou, Pelagia Benaki PHyTOPaTHOLOgicaL InSTiTUe, 8 STefanOU DeLTa STR., 14561 KifiSSa, GReece Author Vavoulidou, Evangelia SOil Science InStitUte OF AthenS, 1 S. VenizelOU Str, 14123 LikOvriSi, AttikiS text Soil Organisms 2019 2019-12-01 91 3 87 96 http://dx.doi.org/10.25674/so91iss3pp87 journal article 10.25674/SO91iSS3PP87 2509-9523 13193522 Enchytraeus demutatus sp. nov. ( Figures 1 , 2 ) Type material. Holotype . ZMB 12202 , anterior body end, stained whole mount. Regional division of Ilia , Greece , 37°18’N – 38°06’N , 21°54’– 22°12’E . Organically enriched soil from tomato greenhouse plantation, soil sample taken by Chr. Chalkia. Specimen isolated from soil sample and fixed 13 Aug 2018 by R . M. Schmelz at the University of A Coruña. Paratypes . ZMB 12203 , same data as holotype . ZMB 12204-12211 , stained whole mounts. Specimens reared in Agar Agar substrate, isolated and fixed Dec 2018 . Four paratype specimens in the collection of the laboratory of Agricultural Zoology and Entomology of the Agricultural University of Athens in Greece , without accession numbers . Further material. C. 20 specimens , adult, subadult, and juvenile, from cultures in soil or Agar Agar, investigated in vivo , not preserved. DNA sequences. Holotype : Anterior part: ZMB 12202 . Posterior part, processed for DNA extraction: CE35377 ( C. Erséus Collection , see Table 1 , Fig. 3 ). Etymology. The Latin adjective demutatus means changed, altered, transformed (perfect passive participle of demutare ). Named for the characters that differ from the patterns hitherto known in the genus.