Octolasion tyrtaeum (Savigny, 1826) Enterion tyrtaeum Savigny, 1826: 184. Allolobophora profuga: Michaelsen 1890: 17. Octolasium lacteum: Michaelsen 1900a: 506; Michaelsen 1903: 178; Wilcke 1949: 179; Zuck 1951: 127; Graff 1953b: 26; Bouché 1972: 253 -257. Octolasion lacteum Örley 1885: 21; Easton 1983: 483; Csuzdi & Zicsi 2003: 197; Blakemore 2008: 56. Octolasion tyrtaeum Gates 1973: 35; Easton 1983: 483; Sims & Gerard 1999: 116; Blakemore 2008: 56. Ecology. Endogeic species occurring in deciduous and coniferous forests as well as on arable and grassland sites, prefers high soil organic matter content (>4%) (Zuck 1951; Jänsch et al. 2013). Sometimes dominant in wet meadows (Graff 1954). Zoogeographical distribution type. Peregrine species with Palaearctic origin and worldwide distribution (Csuzdi & Zicsi 2003). Distribution in Germany. Central Germany (Michaelsen 1890; Dunger 1978; Eggert 1982; Römbke 2000, 2001, 2006; Römbke et al. 2000, 2002; Höser 2012; PSMS in Saxony-Anhalt: Neubert 2011); northern Germany (Michaelsen 1890; Graff 1950, 1954; Judas et al. 1989; Graefe 1993; Kula 1994; Irmler 1999; Unger 1999; Römbke et al. 2000, 2002, Beylich & Graefe 2002); southern Germany (Zuck 1951; Volz 1976; Bauchhenß 1982; Schruft et al. 1982; Babel et al. 1986; Funke & Frank 1991; Kula 1994; Ehrmann 1996; Schöpke 1998; Römbke et al. 2000, 2002; Beck et al. 2001; Brauckmann 2002; Sommer et al. 2002; PSMS in Bavaria: www.edaphobase.org); eastern Germany (Wilcke 1939; Füller 1953; Bösener 1965; Dunger et al. 1972; Nöllner & Weigmann 1982; Römbke et al. 2000; Beylich & Graefe 2002; PSMS in Brandenburg: www.edaphobase.org); western Germany (Baltzer 1956; Schulte et al. 1989; Römbke et al. 2000, 2002; Emmerling 2001; Beylich & Graefe 2002; PSMS in North-Rhine Westphalia: Haag et al. 2009).

Published as part of Lehmitz, Ricarda, Römbke, Jörg, Jänsch, Stephan, Krück, Stefanie, Beylich, Anneke & Graefe, Ulfert, 2014, Checklist of earthworms (Oligochaeta: Lumbricidae) from Germany, pp. 221-245 in Zootaxa 3866 (2) on pages 237-238, DOI: 10.11646/zootaxa.3866.2.3, http://zenodo.org/record/229518