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1
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Males 2 |
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Females 14 |
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2
(1)
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Patellar apophysis missing; Prosoma as fig. female unknown Erigone jaegeri Baehr, 1984
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Patellar apophysis present 3 |
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3
(2)
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Patellar apophysis projecting; colour light orange to yellow-brown; sternum and opisthosoma slightly blackish; eye field contrastingly black Erigone autumnalis Emerton, 1882
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Patellar apophysis and colour different 4 |
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4
(3) |
Patellar apophysis rectangularly projecting 8 |
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Patellar apophysis projecting less than 90° from patella and directed away from cymbium 5 |
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5
(4)
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Tibia with strongly projecting apophysis Erigone svenssoni Holm, 1975
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Different 6 |
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6
(5)
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Tibial apophysis with a distinctly bilobed part next to pointed part Erigone dentipalpis (Wider, 1834)
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Different 7 |
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7
(6)
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Dorsal process of tibial apophysis pointed-triangular Erigone aletris Crosby & Bishop, 1928
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Tibial apophysis with a short, stout tooth Erigone capra Simon, 1884
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8
(4)
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Patellar apophysis strikingly long, approximately rectangularly projecting, tip distinctly bent backwards Erigone psychrophila Thorell, 1871
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Different 9 |
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9
(8) |
Tibial apophysis with a median process 10 |
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Tibial apophysis without a median process 13 |
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10
(9) |
Median process of tibial apophysis rounded 11 |
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Median process of tibial apophysis with one or two pointed teeth 12 |
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11
(10)
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Tibial apophysis with a medially rounded, flat process Erigone atra Blackwall, 1833
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Tibial apophysis with a stronger protruding, rounded process as fig.; sides of patellar apophysis ± parallel; terminal appendix as fig. Erigone remota L. Koch, 1869
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12
(10)
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Median process of tibial apophysis with two crossing denticles Erigone longipalpis (Sundevall, 1830)
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Median process of tibial apophysis with two denticles arranged in a row (Additional remark: Holm (1956) distinguishes the north European subspecies maritima from Canadian and Sibiric populations) Erigone arctica arctica (White, 1852)
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13
(9)
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Dorsal process of tibial apophysis rounded Erigone promiscua (O. Pickard-Cambridge, 1873)
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Pedipalp as fig. Erigone tirolensis L. Koch, 1872
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14
(1)
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Epigynal plate roundish posteriorly, with median groove Erigone remota L. Koch, 1869
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Different 15 |
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15
(14) |
Posterior epigynal margin distinctly U-like indented medially or with a shallow groove 16 |
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Posterior epigynal margin only slightly bent medially 19 |
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16
(15)
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Posterior epigynal margin deeply U-like indented Erigone longipalpis (Sundevall, 1830)
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Posterior epigynal margin with a shallow groove 17 |
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17
(16)
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Lateral protruding area of epigynal plate semicircularly sclerotised Erigone capra Simon, 1884
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Different 18 |
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18
(17)
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Epigyne lifted and in posterior view with ± triangular median part, distinctly bordered by sclerotised area anteriorly Erigone psychrophila Thorell, 1871
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Epigyne lifted and in posterior view not bordered by sclerotised area anteriorly Erigone tirolensis L. Koch, 1872
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19
(15)
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Epigynal plate laterally with two circular depressions Erigone arctica arctica (White, 1852)
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Epigynal plate different, more or less unstructured 20 |
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20
(19) |
Epigynal plate distinctly bordered laterally 21 |
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Epigynal plate laterally different, semicircular 22 |
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21
(20)
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Epigynal plate almost twice as wide as long Erigone atra Blackwall, 1833
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Epigynal plate ± as long as wide Erigone dentipalpis (Wider, 1834)
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22
(20) |
Posterior epigynal margin with two uniformly bent protrusions 23 |
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Different 24 |
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23
(22)
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Receptacula seminis distinctly shining through epigyne; epigyne lifted and in posterior view ± quadrangular Erigone promiscua (O. Pickard-Cambridge, 1873)
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Receptacula seminis not visible through epigyne; epigyne lifted and in posterior view ± triangular Erigone aletris Crosby & Bishop, 1928
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24
(22)
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Epigyne only in posterior area with transverse folds Erigone autumnalis Emerton, 1882
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Epigyne in whole length with transverse folds Erigone svenssoni Holm, 1975
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| 1. Erigone arctica palaearctica Brændegaard, 1934 |
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| 2. Erigone arcticola Chamberlin & Ivie, 1947 |
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| 3. Erigone cristatopalpus Simon, 1884 |
 Pedipalp, retrolateral view
(Muster & Hänggi 2009) |
 Pedipalp, ventral view
(Muster & Hänggi 2009) |
 Pedipalp, retrolateral view
(Wiśniewski & Wesołowska 2017) |
 Pedipalp, ventral view
(Wiśniewski & Wesołowska 2017) |
 Pedipalp, ventral view
(Wiśniewski & Wesołowska 2017) |
 Pedipalp, retrolateral view
(Hirna & Yanul 2023) |
 Pedipalp, ventral view
(Hirna & Yanul 2023) |
 Embolic division, prolateral-ventral view
(Muster & Hänggi 2009) |
 Palpal tibia, retrolateral view
(Muster & Hänggi 2009) |
 Palpal tibia, dorsal view
(Wiśniewski & Wesołowska 2017) |
 Chelicera
(Muster & Hänggi 2009) |
 Cheliceral teeth
(Wiśniewski & Wesołowska 2017) |
 Vulva, dorsal view
(Muster & Hänggi 2009) |
 Chelicera
(Muster & Hänggi 2009) |
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| 4. Erigone dentosa O. Pickard-Cambridge, 1894 |
 Pedipalp, retrolateral view
(Unruh 2020) |
 Pedipalp with tibia, patella and femur, retrolateral view
(Arco et al. 2019) |
 Pedipalp with tibia, patella and femur, retrolateral view
(Crosby & Bishop 1928) |
 Pedipalp with tibia, patella and femur, retrolateral view
(Kielhorn 2022) |
 Pedipalp with tibia, patella and femur, retrolateral view
(Berry 2022) |
 Pedipalp, retrolateral view
(Déjean & Verhoogt 2022) |
 Pedipalp with tibia and patella, retrolateral view
(Déjean & Verhoogt 2022) |
 Pedipalp with tibia and patella, retrolateral view
(Déjean & Verhoogt 2022) |
 Pedipalp with tibia and patella, retrolateral view
(Hänggi et al. 2022) |
 Pedipalp, prolateral view
(Coşar et al. 2024b) |
 Pedipalp, retrolateral view
(Coşar et al. 2024b) |
 Pedipalp with tibia, patella and femur, prolateral view
(Coşar et al. 2024b) |
 Pedipalp with tibia, patella and femur, retrolateral view
(Coşar et al. 2024b) |
 Pedipalp, ventral view
(Coşar et al. 2024b) |
 Pedipalp, ventro-prolateral view
(Coşar et al. 2024b) |
 Embolic division, anterior view
(Crosby & Bishop 1928) |
 Embolic division, mesal view
(Crosby & Bishop 1928) |
 Palpal patella, retrolateral view
(Unruh 2020) |
 Palpal tibia and patella, retrolateral view
(Løvbrekke unpubl.) |
 Palpal femur, retrolateral view
(Løvbrekke unpubl.) |
 Palpal tibia, patella and femur, retrolateral view
(Kekenbosch & Baert 2013) |
 Palpal tibia, dorsal view
(Løvbrekke unpubl.) |
 Palpal tibia, prolateral view
(Løvbrekke unpubl.) |
 Palpal tibia, retrolateral view
(Løvbrekke unpubl.) |
 Chelicerae, frontal view
(Déjean & Verhoogt 2022) |
 Chelicera, frontal view
(Løvbrekke unpubl.) |
 Habitus, frontal view
(Coşar et al. 2024b) |
 Epigyne
(Crosby & Bishop 1928) |
 Epigyne
(Berry 2022) |
 Epigyne
(Déjean & Verhoogt 2022) |
 Vulva, dorsal view
(Berry 2022) |
 Vulva, dorsal view
(Déjean & Verhoogt 2022) |
 Vulva, dorsal view
(Hänggi et al. 2022) |
 Vulva, dorsal view
(Unruh 2020) |
 Vulva, ventral view
(Løvbrekke unpubl.) |
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| 5. Erigone dumitrescuae Georgescu, 1969 |
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| 6. Erigone hypoarctica Eskov, 1989 |
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| 7. Erigone jugorum Simon, 1884 |
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| 8. Erigone longipalpis pirini Deltshev, 1983 |
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| 9. Erigone maritima Kulczyński, 1902 |
 Pedipalp
(Tyschchenko 1971) |
 Pedipalp
(Roberts 1987) |
 Pedipalp
(Wiehle 1960a) |
 Pedipalp, retrolateral view
(Marusik et al. 2006b) |
 Pedipalp, retrolateral view
(Marusik et al. 2006b) |
 Pedipalp, ventral view
(Marusik et al. 2006b) |
 Pedipalp in detail
(Marusik et al. 2006b) |
 Pedipalp, retrolateral view
(Løvbrekke unpubl.) |
 Apical part of bulbus, dorsal view
(Løvbrekke unpubl.) |
 Apical part of bulbus, dorsal view
(Løvbrekke unpubl.) |
 Tip of pedipalp, prolateral view
(Løvbrekke unpubl.) |
 Embolus, dorsal view
(Løvbrekke unpubl.) |
 Embolic division, prolateral view
(Løvbrekke unpubl.) |
 Lateral apophysis
(Wiehle 1960a) |
 Patellar and tibial apophysis
(Wiehle 1960a) |
 Palpal tibia and patella, retrolateral view
(Løvbrekke unpubl.) |
 Palpal tibia
(Holm 1956) |
 Palpal tibia
(Holm 1956) |
 Palpal tibia
(Holm 1956) |
 Palpal tibia, dorsal view
(Løvbrekke unpubl.) |
 Palpal tibia, prolateral view
(Løvbrekke unpubl.) |
 Palpal tibia, retrolateral view
(Løvbrekke unpubl.) |
 Tibial apophysis
(Locket et al. 1974) |
 Tibial apophysis
(Roberts 1987) |
 Tibial apophysis
(Locket & Millidge 1953) |
 Tibial apophysis
(Locket & Millidge 1953) |
 Epigyne
(Locket & Millidge 1953) |
 Epigyne
(Locket & Millidge 1953) |
 Epigyne
(Roberts 1987) |
 Epigyne, lifted
(Roberts 1987) |
 Epigyne
(Tyschchenko 1971) |
 Epigyne
(Wiehle 1960a) |
 Epigyne, ventral view
(Løvbrekke unpubl.) |
 Epigyne, ventral view
(Løvbrekke unpubl.) |
 Epigyne
(Løvbrekke unpubl.) |
 Vulva
(Locket et al. 1974) |
 Vulva
(Holm 1956) |
 Vulva
(Wiehle 1960a) |
 Vulva, dorsal view
(Løvbrekke unpubl.) |
 Vulva, dorsal view
(Løvbrekke unpubl.) |
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| 10. Erigone nigrimana Thorell, 1875 |
 -- Caption missing --
(WSC 2024) |
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| 11. Erigone remota dentigera Simon, 1926 |
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| 12. Erigone tenuimana Simon, 1884 |
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| 13. Erigone welchi Jackson, 1911 |
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| 14. Erigone whymperi O. Pickard-Cambridge, 1877 |
 Pedipalp, ventral view
(Marusik et al. 2006b) |
 Pedipalp, retrolateral view
(Marusik et al. 2006b) |
 Pedipalp, retrolateral view
(Marusik et al. 2006b) |
 Pedipalp, lateral view
(Tanasevitch & Koponen 2007) |
 Pedipalp
(Tanasevitch & Koponen 2007) |
 Embolic division
(Tanasevitch & Koponen 2007) |
 Embolic division
(Tanasevitch & Koponen 2007) |
 Tooth of embolic division
(Tanasevitch & Koponen 2007) |
 Tooth of embolic division
(Tanasevitch & Koponen 2007) |
 Tooth of embolic division
(Tanasevitch & Koponen 2007) |
 Tooth of embolic division
(Tanasevitch & Koponen 2007) |
 Palpal femur
(Tanasevitch & Koponen 2007) |
 Palpal tibia, lateral view
(Tanasevitch & Koponen 2007) |
 Palpal tibia, lateral view
(Tanasevitch & Koponen 2007) |
 Palpal tibia, lateral view
(Tanasevitch & Koponen 2007) |
 Palpal tibia, lateral view
(Tanasevitch & Koponen 2007) |
 Palpal tibia
(Tanasevitch & Koponen 2007) |
 Epigyne, dorsal view
(Tanasevitch & Koponen 2007) |
 Epigyne, dorsal view
(Tanasevitch & Koponen 2007) |
 Epigyne, dorsal view
(Tanasevitch & Koponen 2007) |
 Epigyne, dorsal view
(Tanasevitch & Koponen 2007) |
 Vulva
(Tanasevitch & Koponen 2007) |
 Vulva
(Tanasevitch & Koponen 2007) |
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