Aporrectodea caliginosa (Savigny, 1826)

Enterion caliginosum Savigny, 1826: 180.

Enterion carneum Savigny, 1826: 180.

Allolobophora inflata Michaelsen, 1899: 124 .

Helodrilus (Allolobophora) caliginosus: Michaelsen 1900a: 482 . Helodrilus caliginosus: Michaelsen 1903: 178 .

Allolobophora caliginosa f. trapezoides: Wilcke 1949: 177; Zuck 1951: 128. Allolobophora caliginosa f. typica: Zuck 1951: 128.

Allolobophora caliginosa: Graff 1953b: 26 .

Nicodrilus caliginosus: Bouché 1972: 327 –335.

Nicodrilus nocturnus (Evans): Bouché 1972: 337.

Aporrectodea caliginosa: Easton 1983: 476 –477; Sims & Gerard 1999: 54; Csuzdi & Zicsi 2003: 75; Blakemore 2008: 19 –20.

Ecology. Endogeic, euryoecious species occurring mostly at arable and grassland sites with low soil organic matter content (≤ 4%) (Jänsch et al. 2013), but also in forest soil (Bösener 1965).

Zoogeographical distribution type. Peregrine species native to the Palaearctic, but introduced all over the world (Csuzdi & Zicsi 2003).

Distribution in Germany. Central Germany (Dunger 1978; Eggert 1982; Westernacher-Dotzler 1988; Höser 2012; PSMS in Saxony-Anhalt: Neubert 2011); northern Germany (Graff 1950, 1954; Judas 1990; Graefe 1993; Kula 1994; Irmler 1999; Unger 1999; Beylich & Graefe 2002; Groth & Irmler 2012; Vahder & Irmler 2012). southern Germany (Zuck 1951; Bauchhenß 1982; Schruft 1982; Kula 1994; Ehrmann 1996; Belotti 1997; 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; Krück 1999; Krück et al. 2001; Beylich & Graefe 2002; PSMS in Brandenburg: www.edaphobase.org); western Germany (Baltzer 1956; Heuser & Topp 1989; Schulte et al. 1989; Emmerling 2001; Fründ et al. 2004).