Linyphiidae: Oedothorax

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1
Males

  2  

- Females

  7  

2
(1)
Pedipalp tibia with 1-2 claw-shaped or hook-shaped apophyses

  3  

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Pedipalp tibia with broadly rounded apophysis; prosoma with high, rounded hump, anterior to it a bipartite, densely bristled groove (gibbosus-form) or with broad cone-shaped hump (tuberosus-form)

Oedothorax gibbosus (Blackwall, 1841)

female

speciesimage
male Pedipalp
(Locket & Millidge 1953)
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male Pedipalp
(Roberts 1987)
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male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
male Prosoma
(Roberts 1987)
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male Prosoma, lateral view
(Roberts 1987)
3
(2)

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Prosoma with bristled hump; Tibia with 2 apophyses

Oedothorax apicatus (Blackwall, 1850)

female

speciesimage
male Pedipalp
(Wiehle 1960a)
speciesimage
male Pedipalp
(Roberts 1987)
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male Pedipalp
(Locket & Millidge 1953)
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male Palpal tibia
(Roberts 1987)
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male Tibial apophysis
(Locket & Millidge 1953)
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male Prosoma, lateral view
(Roberts 1987)
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male Prosoma
(Locket & Millidge 1953)
- Prosoma without bristled hump

  4  

4
(3)
Pedipalp tibia with one ± hook-shaped apophysis

  5  

- Pedipalp tibia with 2 hook-shaped apophyses

  6  

5
(4)

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Prosoma steeply ascending behind eyes; tibia with pointed, bent apophysis and lateral hump

Oedothorax retusus (Westring, 1851)

female

speciesimage
male Pedipalp
(Wiehle 1960a)
speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Pedipalp
(Locket & Millidge 1953)
speciesimage
male Palpal tibia, dorsal view
(Roberts 1987)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
male Prosoma, lateral view
(Roberts 1987)
speciesimage
male Prosoma, lateral view
(Locket & Millidge 1953)
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Prosoma as fig.; tibia with a pointed, less bent apophysis, without lateral hump

Oedothorax gibbifer (Kulczyński, 1882)

female

speciesimage
male Pedipalp
(Thaler 1978b)
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male Palpal tibia, dorsal view
(Thaler 1978b)
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male Prosoma, lateral view
(Thaler 1978b)
6
(4)

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Distal bulbal apophysis with distinctly stepped tip; tibia with a blunt and a straight, pointed apophysis; prosoma slightly elevated behind eyes

Oedothorax fuscus (Blackwall, 1834)

female

speciesimage
male Pedipalp, ventral view
(Wiehle 1960a)
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male Pedipalp, ventral view
(Wiehle 1960a)
speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Pedipalp
(Locket & Millidge 1953)
speciesimage
male Palpal tibia
(Roberts 1987)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
male Prosoma, lateral view
(Roberts 1987)
speciesimage
male Prosoma
(Locket & Millidge 1953)
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Distal bulbal apophysis uniformly tapering; tibia with a blunt and a pointed, bent apophysis; Prosoma not elevated

Oedothorax agrestis (Blackwall, 1853)

female

speciesimage
male Pedipalp
(Roberts 1987)
speciesimage
male Pedipalp
(Locket & Millidge 1953)
speciesimage
male Palpal tibia
(Roberts 1987)
speciesimage
male Tibial apophysis
(Locket & Millidge 1953)
speciesimage
male Prosoma, lateral view
(Wiehle 1960a)
speciesimage
male Prosoma
(Locket & Millidge 1953)
7
(1)

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Epigynal plate ± triangular, medially with narrow bar, ± as large as receptaculum seminis

Oedothorax gibbosus (Blackwall, 1841)

male

speciesimage
female Epigyne
(Roberts 1987)
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female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne, ventral view
(Ruzicka 1978)
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female Epigyne, variation, ventral view
(Ruzicka 1978)
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female Vulva
(Wiehle 1960a)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Ruzicka 1978)
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female Vulva, variation
(Ruzicka 1978)
- Epigynal plate ± quadrangular

  8  

8
(7)
Epigynal plate ± trapezoid

  9  

- Lateral margins of epigynal plate ± parallel or slightly bent

  10  

9
(8)

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Epigyne and vulva as fig.

Oedothorax retusus (Westring, 1851)

male

speciesimage
female Epigyne
(Wiehle 1960a)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne/vulva, ventral view
(Alderweireldt 1992)
speciesimage
female Epigyne, ventral view
(Ruzicka 1978)
speciesimage
female Vulva
(Wiehle 1960a)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Ruzicka 1978)
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Epigyne and vulva as fig.

Oedothorax gibbifer (Kulczyński, 1882)

male

speciesimage
female Epigyne
(Heimer & Nentwig 1991)
speciesimage
female Epigyne, ventral view
(Ruzicka 1978)
speciesimage
female Epigyne, variation, ventral view
(Ruzicka 1978)
speciesimage
female Vulva
(Heimer & Nentwig 1991)
speciesimage
female Vulva
(Ruzicka 1978)
10
(8)

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Margins of epigynal plate parallel

Oedothorax agrestis (Blackwall, 1853)

male

speciesimage
female Epigyne
(Wiehle 1960a)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne, ventral view
(Ruzicka 1978)
speciesimage
female Epigyne, variation, ventral view
(Ruzicka 1978)
speciesimage
female Vulva
(Wiehle 1960a)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Ruzicka 1978)
- Margins of epigynal plate slightly bent

  11  

11
(10)

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Epigynal plate wider than long

Oedothorax fuscus (Blackwall, 1834)

male

speciesimage
female Epigyne
(Wiehle 1960a)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne
(Løvbrekke unpubl.)
speciesimage
female Epigyne/vulva, ventral view
(Alderweireldt 1992)
speciesimage
female Epigyne, ventral view
(Ruzicka 1978)
speciesimage
female Vulva
(Wiehle 1960a)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Ruzicka 1978)
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Epigynal plate approximately as long as wide, margins indistinct

Oedothorax apicatus (Blackwall, 1850)

male

speciesimage
female Epigyne
(Wiehle 1960a)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Locket & Millidge 1953)
speciesimage
female Epigyne/vulva, ventral view
(Alderweireldt 1991)
speciesimage
female Epigyne, ventral view
(Ruzicka 1978)
speciesimage
female Vulva
(Wiehle 1960a)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Roberts 1987)
speciesimage
female Vulva
(Ruzicka 1978)
Further taxa

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1. Oedothorax agrestis longipes (Simon, 1884)

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

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2. Oedothorax meridionalis Tanasevitch, 1987

speciesimage
male Pedipalp
(Tanasevitch 1987a)
speciesimage
male Palpal tibia
(Tanasevitch 1987a)
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male Prosoma, lateral view
(Tanasevitch 1987a)
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female Vulva
(Tanasevitch 1987a)

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3. Oedothorax paludigenus Simon, 1926

speciesimage
male Pedipalp
(Millidge 1975d)
speciesimage
male Pedipalp
(Millidge 1975d)
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male Pedipalp
(Millidge 1975d)
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male Embolic division, lateral view
(Millidge 1975d)
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male Palpal tibia, dorsal view
(Millidge 1975d)
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male Prosoma, lateral view
(Millidge 1975d)
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female Epigyne
(Millidge 1975d)
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female Epigyne
(Millidge 1975d)
speciesimage
female Vulva
(Millidge 1975d)

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4. Oedothorax tingitanus (Simon, 1884)

speciesimage
male Pedipalp, retrolateral view
(Bosmans 1985b)
speciesimage
male Tip of bulbus
(Bosmans 1985b)
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male Paracymbium
(Bosmans 1985b)
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male Palpal tibia, dorsal view
(Bosmans 1985b)
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female Vulva
(Bosmans 1985b)