Linyphiidae: Erigone

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1
Males

  2  

- Females

  14  

2
(1)

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Patellar apophysis missing; Prosoma as fig. female unknown

Erigone jaegeri Baehr, 1984

speciesimage
male Pedipalp
(Baehr 1984)
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male Pedipalp
(Baehr 1984)
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Prosoma, dorsal view
(Baehr 1984)
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Chelicerae, ventral view
(Baehr 1984)
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Tibia
(Baehr 1984)
- Patellar apophysis present

  3  

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

female

speciesimage
male Embolus
(Hänggi 1993)
speciesimage
male Patella and tibia of pedipalp
(Hänggi 1993)
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male Gnathocoxa and trochanter of pedipalp
(Hänggi 1993)
- Patellar apophysis and colour different

  4  

4
(3)
Patellar apophysis rectangularly projecting

  8  

- Patellar apophysis projecting less than 90° from patella and directed away from cymbium

  5  

5
(4)

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Tibia with strongly projecting apophysis

Erigone svenssoni Holm, 1975

female

speciesimage
male Pedipalp
(Holm 1975)
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male Embolus
(Holm 1975)
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male Prosoma, lateral view
(Holm 1975)
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Chelicerae, ventral view
(Holm 1975)
- Different

  6  

6
(5)

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Tibial apophysis with a distinctly bilobed part next to pointed part

Erigone dentipalpis (Wider, 1834)

female

speciesimage
male Pedipalp
(Locket & Millidge 1953)
speciesimage
male Pedipalp
(Wiehle 1960a)
speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Patellar and tibial apophysis
(Tyshchenko 1971)
speciesimage
male Tibial apophysis
(Roberts 1987)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
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male Prosoma, dorsal view
(Wiehle 1960a)
- Different

  7  

7
(6)

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Dorsal process of tibial apophysis pointed-triangular

Erigone aletris Crosby & Bishop, 1928

female

speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Tibial apophysis
(Roberts 1987)
-

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Tibial apophysis with a short, stout tooth

Erigone dentigera O. P.-Cambridge, 1874

female

speciesimage
male Pedipalp
(Wiehle 1960a)
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male Pedipalp
(Roberts 1987)
speciesimage
male Pedipalp
(Wiehle 1960a)
speciesimage
male Pedipalp, retrolateral view
(Løvbrekke unpubl.)
speciesimage
male Patellar and tibial apophysis
(Koh unpubl.)
speciesimage
male Palpal tibia
(Locket & Millidge 1953)
speciesimage
male Tibial apophysis
(Locket et al. 1974)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
male Tibial apophysis
(Roberts 1987)
speciesimage
male Tibial apophysis
(Thaler 1986b)
speciesimage
male Tibial apophysis
(Locket et al. 1974)
8
(4)

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Patellar apophysis strikingly long, approximately rectangularly projecting, tip distinctly bent backwards

Erigone psychrophila Thorell, 1871

female

speciesimage
male Pedipalp, ventral view
(Locket et al. 1974)
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male Pedipalp
(Roberts 1987)
speciesimage
male Palpal patella
(Locket et al. 1974)
speciesimage
male Tibial apophysis
(Roberts 1987)
- Different

  9  

9
(8)
Tibial apophysis with a median process

  10  

- Tibial apophysis without a median process

  13  

10
(9)
Median process of tibial apophysis rounded

  11  

- Median process of tibial apophysis with one or two pointed teeth

  12  

11
(10)

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Tibial apophysis with a medially rounded, flat process

Erigone atra Blackwall, 1833

female

speciesimage
male Pedipalp
(Wiehle 1960a)
speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Pedipalp
(Wiehle 1960a)
speciesimage
male Patellar and tibial apophysis
(Tyshchenko 1971)
speciesimage
male Palpal tibia
(Locket & Millidge 1953)
speciesimage
male Palpal tibia
(Roberts 1987)
speciesimage
male Palpal tibia
(Locket & Millidge 1953)
speciesimage
male Palpal tibia
(Locket & Millidge 1953)
-

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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

female

speciesimage
male Pedipalp
(Koh unpubl.)
speciesimage
male Embolic division
(Koh unpubl.)
speciesimage
male Tibial apophysis
(Heimer & Nentwig 1991)
12
(10)

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Median process of tibial apophysis with two crossing denticles

Erigone longipalpis (Sundevall, 1830)

female

speciesimage
male Pedipalp
(Tyshchenko 1971)
speciesimage
male Pedipalp
(Wiehle 1960a)
speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Pedipalp
(Wiehle 1960a)
speciesimage
male Patellar and tibial apophysis
(Wiehle 1960a)
speciesimage
male Tibial apophysis
(Locket et al. 1974)
speciesimage
male Tibial apophysis
(Roberts 1987)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
-

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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 (White, 1852)

female

speciesimage
male Pedipalp
(Tyshchenko 1971)
speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Pedipalp, retrolateral view
(Løvbrekke unpubl.)
speciesimage
male Embolic division, prolateral view
(Løvbrekke unpubl.)
speciesimage
male Palpal tibia, dorsal view
(Løvbrekke unpubl.)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
male Tibial apophysis
(Holm 1956)
speciesimage
male Tibial apophysis
(Locket et al. 1974)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
13
(9)

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Dorsal process of tibial apophysis rounded

Erigone promiscua (O. P.-Cambridge, 1873)

female

-

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Pedipalp as fig.

Erigone tirolensis L. Koch, 1872

female

speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Tibial apophysis
(Muster & Hänggi 2009)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
male Tibial apophysis
(Roberts 1987)
14
(1)

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Epigynal plate roundish posteriorly, with median groove

Erigone remota L. Koch, 1869

male

speciesimage
female Epigyne
(Heimer & Nentwig 1991)
speciesimage
female Vulva
(Heimer & Nentwig 1991)
- Different

  15  

15
(14)
Posterior epigynal margin distinctly U-like indented medially or with a shallow groove

  16  

- Posterior epigynal margin only slightly bent medially

  19  

16
(15)

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Posterior epigynal margin deeply U-like indented

Erigone longipalpis (Sundevall, 1830)

male

speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne, posterior view
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Tyshchenko 1971)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne, lifted
(Roberts 1987)
speciesimage
female Epigyne
(Wiehle 1960a)
speciesimage
female Epigyne, ventral view
(Løvbrekke unpubl.)
speciesimage
female Vulva
(Locket et al. 1974)
speciesimage
female Vulva
(Wiehle 1960a)
speciesimage
female Vulva, dorsal view
(Løvbrekke unpubl.)
- Posterior epigynal margin with a shallow groove

  17  

17
(16)

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Lateral protruding area of epigynal plate semicircularly sclerotised

Erigone dentigera O. P.-Cambridge, 1874

male

speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne, lifted
(Roberts 1987)
speciesimage
female Epigyne
(Wiehle 1960a)
speciesimage
female Epigyne/vulva, dorsal view
(Thaler 1986b)
speciesimage
female Epigyne, ventral view
(Løvbrekke unpubl.)
speciesimage
female Vulva
(Locket et al. 1974)
speciesimage
female Vulva
(Wiehle 1960a)
speciesimage
female Vulva, dorsal view
(Løvbrekke unpubl.)
- Different

  18  

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

male

speciesimage
female Epigyne
(Locket et al. 1974)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne, lifted
(Roberts 1987)
-

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Epigyne lifted and in posterior view not bordered by sclerotised area anteriorly

Erigone tirolensis L. Koch, 1872

male

speciesimage
female Epigyne
(Tyshchenko 1971)
speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Heimer & Nentwig 1991)
speciesimage
female Epigyne, ventral view
(Roberts 1987)
speciesimage
female Epigyne, ventral view
(Løvbrekke unpubl.)
speciesimage
female Vulva
(Locket et al. 1974)
speciesimage
female Vulva, dorsal view
(Muster & Hänggi 2009)
speciesimage
female Vulva, dorsal view
(Løvbrekke unpubl.)
19
(15)

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Epigynal plate laterally with two circular depressions

Erigone arctica (White, 1852)

male

speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne, lifted
(Roberts 1987)
speciesimage
female Epigyne
(Tyshchenko 1971)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne, lifted
(Roberts 1987)
speciesimage
female Epigyne, ventral view
(Løvbrekke unpubl.)
speciesimage
female Vulva
(Holm 1956)
speciesimage
female Vulva
(Locket et al. 1974)
speciesimage
female Vulva, dorsal view
(Løvbrekke unpubl.)
- Epigynal plate different, more or less unstructured

  20  

20
(19)
Epigynal plate distinctly bordered laterally

  21  

- Epigynal plate laterally different, semicircular

  22  

21
(20)

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Epigynal plate almost twice as wide as long

Erigone atra Blackwall, 1833

male

speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne, frontal view
(Locket & Millidge 1953)
speciesimage
female Epigyne, posterior view
(Locket & Millidge 1953)
speciesimage
female Epigyne, lifted
(Roberts 1987)
speciesimage
female Epigyne
(Tyshchenko 1971)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Vulva
(Locket et al. 1974)
speciesimage
female Vulva
(Wiehle 1960a)
-

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Epigynal plate ± as long as wide

Erigone dentipalpis (Wider, 1834)

male

speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne, frontal view
(Locket & Millidge 1953)
speciesimage
female Epigyne, posterior view
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Tyshchenko 1971)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne, lifted
(Roberts 1987)
speciesimage
female Vulva
(Locket et al. 1974)
speciesimage
female Vulva
(Wiehle 1960a)
22
(20)
Posterior epigynal margin with two uniformly bent protrusions

  23  

- Different

  24  

23
(22)

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Receptacula seminis distinctly shining through epigyne; epigyne lifted and in posterior view ± quadrangular

Erigone promiscua (O. P.-Cambridge, 1873)

male

speciesimage
female Epigyne, posterior view
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne, lifted
(Roberts 1987)
speciesimage
female Vulva
(Locket et al. 1974)
speciesimage
female Vulva
(Locket et al. 1974)
-

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Receptacula seminis not visible through epigyne; epigyne lifted and in posterior view ± triangular

Erigone aletris Crosby & Bishop, 1928

male

speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne, lifted
(Roberts 1987)
24
(22)

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Epigyne only in posterior area with transverse folds

Erigone autumnalis Emerton, 1882

male

speciesimage
female Epigyne
(Hänggi 1993)
speciesimage
female Vulva
(Hänggi 1993)
-

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Epigyne in whole length with transverse folds

Erigone svenssoni Holm, 1975

male

speciesimage
female Epigyne
(Holm 1975)
speciesimage
female Vulva
(Holm 1975)
Further taxa

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1. Erigone arctica maritima Kulczyński, 1902

speciesimage
male Pedipalp
(Wiehle 1960a)
speciesimage
male Pedipalp, retrolateral view
(Marusik et al. 2006b)
speciesimage
male Pedipalp, retrolateral view
(Marusik et al. 2006b)
speciesimage
male Pedipalp, ventral view
(Marusik et al. 2006b)
speciesimage
male Pedipalp in detail
(Marusik et al. 2006b)
speciesimage
male Lateral apophysis
(Wiehle 1960a)
speciesimage
male Patellar and tibial apophysis
(Wiehle 1960a)
speciesimage
male Palpal tibia
(Holm 1956)
speciesimage
male Palpal tibia
(Holm 1956)
speciesimage
male Palpal tibia
(Holm 1956)
speciesimage
female Epigyne
(Wiehle 1960a)
speciesimage
female Vulva
(Holm 1956)
speciesimage
female Vulva
(Wiehle 1960a)

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2. Erigone arctica palaearctica Braendegaard, 1934

speciesimage
male Apical part of bulbus, dorsal view
(Løvbrekke unpubl.)
speciesimage
male Embolus, dorsal view
(Løvbrekke unpubl.)
speciesimage
female Vulva, dorsal view
(Løvbrekke unpubl.)

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3. Erigone arcticola Chamberlin & Ivie, 1947

speciesimage
male Pedipalp, lateral view
(Holm 1960)
speciesimage
male Embolic division
(Holm 1960)
speciesimage
female Epigyne, ventral view
(Holm 1960)
speciesimage
female Vulva, dorsal view
(Holm 1960)
speciesimage
female Vulva, dorsal view
(Tanasevitch 2013a)

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4. Erigone cristatopalpus Simon, 1884

speciesimage
male Pedipalp, retrolateral view
(Muster & Hänggi 2009)
speciesimage
male Pedipalp, ventral view
(Muster & Hänggi 2009)
speciesimage
male Pedipalp, retrolateral view
(Wiśniewski & Wesołowska 2017)
speciesimage
male Pedipalp, ventral view
(Wiśniewski & Wesołowska 2017)
speciesimage
male Pedipalp, ventral view
(Wiśniewski & Wesołowska 2017)
speciesimage
male Embolic division, prolateral-ventral view
(Muster & Hänggi 2009)
speciesimage
male Palpal tibia, retrolateral view
(Muster & Hänggi 2009)
speciesimage
male Palpal tibia, dorsal view
(Wiśniewski & Wesołowska 2017)
speciesimage
male Chelicera
(Muster & Hänggi 2009)
speciesimage
male Cheliceral teeth
(Wiśniewski & Wesołowska 2017)
speciesimage
female Vulva, dorsal view
(Muster & Hänggi 2009)
speciesimage
female Chelicera
(Muster & Hänggi 2009)

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5. Erigone dentosa O. Pickard-Cambridge, 1894

speciesimage
male Pedipalp, retrolateral view
(Løvbrekke unpubl.)
speciesimage
male Femoral apophysis
(Løvbrekke unpubl.)
speciesimage
female Epigyne, ventral view
(Løvbrekke unpubl.)
speciesimage
female Vulva, dorsal view
(Løvbrekke unpubl.)

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6. Erigone dumitrescuae Georgescu, 1969

speciesimage
male Pedipalp, lateral view
(Georgescu 1969b)
speciesimage
male Prosoma, dorsal view
(Georgescu 1969b)
speciesimage
male Prosoma, lateral view
(Georgescu 1969b)
speciesimage
male Chelicera
(Georgescu 1969b)
speciesimage
male Leg I
(Georgescu 1969b)

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7. Erigone hypoarctica Eskov, 1989

speciesimage
male Pedipalp
(Eskov 1989a)
speciesimage
female Epigyne
(Eskov 1989a)
speciesimage
female Vulva
(Eskov 1989a)

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8. Erigone jugorum Simon, 1884

speciesimage
Patella and tibia
(Koh unpubl.)

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9. Erigone longipalpis meridionalis Simon, 1884

speciesimage
male Pedipalp, lateral view
(Simon 1884a)
speciesimage
male Palpal tibia, dorsal view
(Simon 1884a)
speciesimage
male Palpal tibia, ventral view
(Simon 1884a)

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10. Erigone longipalpis pirini Deltshev, 1983

speciesimage
male Pedipalp, retrolateral view
(Deltshev 1983b)
speciesimage
male Pedipalp, prolateral view
(Deltshev 1983b)
speciesimage
male Embolic division
(Deltshev 1983b)
speciesimage
male Embolic division
(Deltshev 1983b)
speciesimage
male Patella and tibia of pedipalp
(Deltshev 1983b)
speciesimage
male Palpal tibia
(Deltshev 1983b)
speciesimage
female Epigyne, ventral view
(Deltshev 1983b)
speciesimage
female Vulva, ventral view
(Deltshev 1983b)

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11. Erigone remota dentigera Simon, 1926

speciesimage
male Pedipalp
(Koh unpubl.)
speciesimage
male Embolic division
(Koh unpubl.)

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12. Erigone tenuimana Simon, 1884

speciesimage
male Pedipalp, retrolateral view
(Muster & Hänggi 2009)
speciesimage
male Pedipalp, ventral view
(Muster & Hänggi 2009)
speciesimage
male Embolic division, prolateral-ventral view
(Muster & Hänggi 2009)
speciesimage
male Palpal tibia, retrolateral view
(Muster & Hänggi 2009)
speciesimage
male Palpal tibia
(Muster & Hänggi 2009)
speciesimage
male Chelicera
(Muster & Hänggi 2009)
speciesimage
female Vulva, dorsal view
(Muster & Hänggi 2009)
speciesimage
female Chelicera
(Muster & Hänggi 2009)

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13. Erigone welchi Jackson, 1911

speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Pedipalp
(Locket & Millidge 1953)
speciesimage
male Tibial apophysis
(Roberts 1987)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne, lifted
(Roberts 1987)
speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Løvbrekke unpubl.)
speciesimage
female Epigyne, lateral view
(Løvbrekke unpubl.)
speciesimage
female Vulva, dorsal view
(Løvbrekke unpubl.)
speciesimage
female Chelicera, frontal view
(Løvbrekke unpubl.)

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14. Erigone whymperi O. P.-Cambridge, 1877

speciesimage
male Pedipalp, ventral view
(Marusik et al. 2006b)
speciesimage
male Pedipalp, retrolateral view
(Marusik et al. 2006b)
speciesimage
male Pedipalp, retrolateral view
(Marusik et al. 2006b)
speciesimage
male Pedipalp, lateral view
(Tanasevitch & Koponen 2007)
speciesimage
male Pedipalp
(Tanasevitch & Koponen 2007)
speciesimage
male Embolic division
(Tanasevitch & Koponen 2007)
speciesimage
male Embolic division
(Tanasevitch & Koponen 2007)
speciesimage
male Tooth of embolic division
(Tanasevitch & Koponen 2007)
speciesimage
male Tooth of embolic division
(Tanasevitch & Koponen 2007)
speciesimage
male Tooth of embolic division
(Tanasevitch & Koponen 2007)
speciesimage
male Tooth of embolic division
(Tanasevitch & Koponen 2007)
speciesimage
male Palpal femur
(Tanasevitch & Koponen 2007)
speciesimage
male Palpal tibia, lateral view
(Tanasevitch & Koponen 2007)
speciesimage
male Palpal tibia, lateral view
(Tanasevitch & Koponen 2007)
speciesimage
male Palpal tibia, lateral view
(Tanasevitch & Koponen 2007)
speciesimage
male Palpal tibia, lateral view
(Tanasevitch & Koponen 2007)
speciesimage
male Palpal tibia
(Tanasevitch & Koponen 2007)
speciesimage
female Epigyne, dorsal view
(Tanasevitch & Koponen 2007)
speciesimage
female Epigyne, dorsal view
(Tanasevitch & Koponen 2007)
speciesimage
female Epigyne, dorsal view
(Tanasevitch & Koponen 2007)
speciesimage
female Epigyne, dorsal view
(Tanasevitch & Koponen 2007)
speciesimage
female Vulva
(Tanasevitch & Koponen 2007)
speciesimage
female Vulva
(Tanasevitch & Koponen 2007)
15. Erigone fluctuans O. P.-Cambridge, 1875 world
16. Erigone nigrimana Thorell, 1875 world
17. Erigone spadix Thorell, 1875 world