five

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

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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–

表2. 异常蚓属(Aberrantidrilus,新属,n. gen.)物种比较(模式标本及Sambugar等1999年的其他研究材料) | 性状 | 斯特凡尼异常蚓(Aberrantidrilus stephaniae,Martin,新属新种,n. sp.) | 地下异常蚓(A. subterraneus,Rodriguez & Giani,1989,新组合,n. comb.) | 尖突异常蚓(A. cuspis,Erséus & Dumnicka,1988,新组合,n. comb.) | 尖突异常蚓近似种(A. cf. cuspis) | "拉斯佩齐亚"种群("La Spezia",新组合,n. comb.) | "乌迪内"种群("Udine",新组合,n. comb.) | "厨师谷"种群("Aven de la Cuisinière",新组合,n. comb.) | "罗马纳"种群("Romana",新组合,n. comb.) | "斯科恰恩斯卡"种群("Skocjanske",新组合,n. comb.) | | 最大体宽(μm) | 139-164 | 127.5 | 190-280 | – | 128 | – | – | – | – | | 阴茎刚毛(penial setae) | 存在 | 存在 | 存在 | 存在 | 存在 | 存在 | – | 存在 | – | | 每束阴茎刚毛数量 | 1根/束 | 1根/束 | 1根/束 | 1根/束 | 1根/束 | 1根/束 | – | 1(2)根/束 | – | | 阴茎刚毛长度(μm) | 50-64 | ? | 100-120 | 75-77 | 50 | 57-60 | – | – | – | | 阴茎刚毛宽度(μm) | 3.3-3.5 | 1.5 | 5-7 | 3.5-4.0 | – | 3.5 | – | – | – | | 体刚毛(somatic setae)长度(μm) | 38-43 | 31.5-35.7 | 40-55 | 42–47 | – | – | – | – | – | | 体刚毛宽度(μm) | 1.5 | ? | 2.5-5.0 | – | – | 1.5 | – | – | – | | 阴茎刚毛外端 | 分叉 | 简单尖突 | 简单分叉尖突 | 分叉 | 分叉 | – | 分叉 | – | – | | 前体节刚毛上齿长度 | 与下齿近等或相似 | 退化 | 近等 | 近等或相似 | 与下齿相似 | 与下齿近等或相似 | 与下齿近等或相似 | 与下齿近等或相似 | 与下齿近等或相似 | | 后体节刚毛上齿长度 | 与下齿近等或相似 | 退化 | 退化或缺 | 缺失 | 退化或缺 | 缺失 | 缺失 | 缺失 | 缺失 | | 阴茎刚毛/体刚毛长度比 | 平均1.39 | ? | 平均2.32 | 平均1.81 | – | 平均1.24 | – | – | – | | 前体节刚毛数量 | 2-5根 | 2-5根 | 2-5根 | – | 3-6根 | – | – | – | – | | 后体节刚毛数量 | 1-3根 | 3根 | 2-4根 | – | – | – | – | – | – | | 交配腔(atrium)长度(μm) | 207-287 | 100 | 275-350 | – | – | – | – | – | – | | 交配腔宽度(μm) | 39-47 | 30 | 28-40 | – | – | – | – | – | – | | 受精囊囊(spermathecal ampulla)位置 | XII-XIII体节 | XII体节 | XII-XIII体节 | – | – | – | – | – | – | | XII体节受精囊孔纵向位置 | 靠近11/12节间 | 靠近11/12节间 | 靠近XII体节中部 | – | – | 靠近11/12节间 | – | – | – |
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2025-04-05
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