Nematogenia lacuum (Beddard, 1893)

Plisko, Jadwiga D. & Nxele, Thembeka C., 2015, An annotated key separating foreign earthworm species from the indigenous South African taxa (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Microchaetidae, Ocnerodrilidae and Tritogeniidae), African Invertebrates 56 (3), pp. 663-663 : 702

Nematogenia lacuum (Beddard, 1893)

Description: Length 25 mm. Grey to slightly brown. Nephropores inconspicuous. Clitellum saddle-shaped on ½13–½26. Septa 5/6–9/10 thickened. Gizzards in segments 6 and 7. Paired calciferous glands in 9. Nephridia avesiculate, first pair in 6. Proandric. Seminal vesicles paired in 12. Spermathecae paired, in 9; duct longer than ampulla. Prostates long.

Notes: Noted only twice in RSA, on both occasions in garden soil (Zicsi 1998).