Linyphiidae: Mecynargus Kulczynski, 1894

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1
Males

  2  

- Females

  5  

2
(1)

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Prosoma highest in the range of fovea; tibial apophysis blunt

Mecynargus paetulus (O. P.-Cambridge, 1875)

female

- Prosoma highest in eye region

  3  

3
(2)

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Prosoma descending ± uniformly toward posterior end; tibial apophysis with 2 pointed, pliers-like processes

Mecynargus morulus (O. P.-Cambridge, 1873)

female

- Prosoma descending step-like toward posterior end or with saddle-shaped depression

  4  

4
(3)

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Prosoma descending step-like toward posterior end; tibial apophysis dorsally with one pointed process

Erigonoplus foveatus (Dahl, 1912)

female

-

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Prosoma with saddle-like shape; tibial apophysis dorsally with 2 pointed processes

Mecynargus brocchus (L. Koch, 1872)

female

5
(1)

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Epigynal plate protruding posteriorly in median region, without structures

Mecynargus paetulus (O. P.-Cambridge, 1875)

male

- Epigynal plate structured

  6  

6
(5)

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Median epigynal plate trapezoid

Erigonoplus foveatus (Dahl, 1912)

male

- Different

  7  

7
(6)

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Median epigynal plate as fig.

Mecynargus morulus (O. P.-Cambridge, 1873)

male

-

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Epigyne/vulva as fig.

Mecynargus brocchus (L. Koch, 1872)

male

Further taxa

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1. Mecynargus borealis (Jackson, 1930)

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2. Mecynargus longus (Kulczyński, 1882)

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3. Mecynargus minutipalpis Gnelitsa, 2011

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4. Mecynargus monticola (Holm, 1943)

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5. Mecynargus pyrenaeus (Denis, 1950)

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6. Mecynargus sphagnicola (Holm, 1939)

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7. Mecynargus tundricola Eskov, 1988

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8. Mecynargus tungusicus (Eskov, 1981)