TABLE 2. — Comparison between Aberrantidrilus n in Groundwater oligochaetes (Annelida, Clitellata) from the Mercantour National Park (France), with the descriptions of one new genus and two new stygobiont species

TABLE 2. — Comparison between Aberrantidrilus n. gen. species (type specimens and other material from Sambugar et al. 1999). CharacterAberrantidrilus stephaniae, Martin, n. gen., n. sp.A. subterraneus (Rodriguez & Giani, 1989) n. comb.A. cuspis (Erséus & Dumnicka, 1988) n. comb.A. cf. cuspis“La Spezia” n. comb.“Udine” n. comb.“Aven de la Cuisinière” n. comb.“Romana” n. comb.“Skocjanske” n. comb.body width at largest (µm)139-164127.5190-280 –128–––penial setaepresentpresentpresent presentpresentpresent–presentnumber of penial setae1 per bundle1 per bundle1 per bundle 1 per bundle 1 per bundle 1 per bundle–1 (2) per bundlelength of penial50-64?100-120 75-775057-60––setae (µm) width of penial setae (µm)3.3-3.51.55-7 3.5-4.0–3.5––length of somatic setae (µm)38-4331.5-35.740-55 42–47––width of somatic setae (µm)1.5?2.5-5.0 ––1.5––ectal tip of penial setabifidsimple pointedsimple bifid pointedbifidbifid–bifidlength of upper tooth of setae in anterior segmentssubequal or similar to lowerreducedsubequal subequal or similar or similar to lower to lowersubequal or similar to lowersubequal or similar to lowersubequal or similar to lowersubequal or similar to lowerlength of upper tooth of setae in posterior segmentssubequal or similar than lowerreducedreduced; reduced; absent absentreduced; absentabsentabsentabsentlength ratio penial/ somatic setaeMean:1.39?Mean:2.32 Mean:1.81–Mean:1.24––number of setae in anterior segments2-52-52-5 –3-6–––number of setae in posterior1-332-4 –––––segments atrial length (µm)207-287100275-350 –––––atrial width (µm)39-473028-40 –––––location of spermathecal ampullain XII-XIIIin XIIin XII-XIII –––––longitudinal location near middle of spermathecal of XII porenear 11/12near middle – of XII––near 11/12–