Linyphiidae: Asthenargus

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1
Males

  2  

- Females

  5  

2
(1)

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Pedipalp with slightly rounded tibial apophysis; male prosoma dorsally with long bristles

Asthenargus perforatus Schenkel, 1929

female

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male Pedipalp
(Thaler 1978b)
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male Pedipalp
(Thaler 1978b)
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male Tibial apophysis
(Thaler 1978b)
- Pedipalp with slender and distinctly bent tibial apophysis

  3  

3
(2)

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Pedipalp with semicircularly bent tibial apophysis

Asthenargus helveticus Schenkel, 1936

female

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male Pedipalp
(Heimer & Nentwig 1991)
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male Tibial apophysis
(Heimer & Nentwig 1991)
- Tibial apophysis more or less hook-shaped

  4  

4
(3)

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Pedipalp with hook-shaped tibial apophysis; prosoma without cephalic lobe but steeply ascending dorsal line in posterior third

Asthenargus paganus (Simon, 1884)

female

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male Pedipalp
(Wiehle 1960a)
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male Pedipalp
(Wiehle 1960a)
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male Pedipalp
(Locket & Millidge 1953)
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male Pedipalp
(Roberts 1987)
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male Terminal apophysis
(Roberts 1987)
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male Tibial apophysis
(Wiehle 1960a)
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male Tibial apophysis
(Locket & Millidge 1953)
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Prosoma, lateral view
(Heimer & Nentwig 1991)
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Pedipalp, tibial apophysis as fig.

Asthenargus bracianus Miller, 1938

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male Pedipalp
(Thaler 1991a)
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male Pedipalp
(Thaler 1991a)
5
(1)

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Epigynal plate tapering toward posterior end

Asthenargus perforatus Schenkel, 1929

male

speciesimage
female Epigyne
(Heimer & Nentwig 1991)
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female Vulva
(Heimer & Nentwig 1991)
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female Prosoma, lateral view
(Thaler 1978b)
- Epigynal plate rounded toward anterior end

  6  

6
(5)

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Epigynal plate reaching only little beyond epigastric furrow

Asthenargus helveticus Schenkel, 1936

male

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

  7  

7
(6)

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Epigynal plate reaching distinctly beyond epigastric furrow; prosoma with steep ascending of dorsal line in posterior third

Asthenargus paganus (Simon, 1884)

male

speciesimage
female Epigyne
(Wiehle 1960a)
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female Epigyne
(Roberts 1987)
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female Epigyne
(Roberts 1987)
speciesimage
female Epigyne
(Roberts 1987)
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female Epigyne
(Locket & Millidge 1953)
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Prosoma, lateral view
(Heimer & Nentwig 1991)
-

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Epigyne/vulva as fig.

Asthenargus carpaticus Weiss, 1998

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female Vulva
(Weiss 1998b)
Further taxa

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1. Asthenargus caucasicus Tanasevitch, 1987

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male Pedipalp
(Tanasevitch 1987a)
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male Pedipalp
(Tanasevitch 1987a)
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male Palpal tibia, dorsal view
(Tanasevitch 1987a)
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male Palpal tibia, retrolateral view
(Tanasevitch 1987a)
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male Prosoma, lateral view
(Tanasevitch 1987a)
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female Epigyne
(Tanasevitch 1987a)
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female Vulva
(Tanasevitch 1987a)

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2. Asthenargus longispinus (Simon, 1915)

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female Epigyne
(Denis 1962c)
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female Epigyne, posterior view
(Denis 1962c)
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female Epigyne, posteroventral view
(Denis 1962c)
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female Prosoma, lateral view
(Denis 1962c)

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3. Asthenargus placidus (Simon, 1884)

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male Pedipalp
(Simon 1884a)