Aporrectodea caliginosa caliginosa (Savigny, 1826)

Enterion caliginosum Savigny, 1826: 180.

Aporrectodea caliginosa: Misirlioġlu 2004: 3; Csuzdi & Pavlićek 2005: 88; Csuzdi et al. 2006: 4. Allolobophora nocturna Evans, 1946: 98; Mihailova 1966: 189. Allolobophora caliginosa f. typica: Mihailova 1966: 187.

Allolobophora caliginosa: Zicsi 1973: 229 .

Ecological group: endogeic (Butt & Lowe 2011).

Habitat: forests, cultivated soils (Milutinoviċ et al. 2010) and meadows (Mihailova 1966). Zoogeographical distribution type: peregrine (Csuzdi et al. 2011). Distribution in Bulgaria: one of the most abundant lumbricids in Bulgaria. More frequent in North Bulgaria (Mihailova 1966).