Linyphiidae: Micrargus Dahl, 1886

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1
Males

  2  

- Females

  7  

2
(1)
Tibial apophysis with long, rounded process, with tubercles (four similar species, difficult to distinguish)

  3  

- Tibial apophysis without long process

  6  

3
(2)
A large, long tooth on embolic base

  4  

- Tooth on embolic base angled or hardly developed

  5  

4
(3)

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Tooth on embolic base tapering into a tip, surrounding membranous border large; tibial apophysis as fig.

Micrargus apertus (O. P.-Cambridge, 1871)

female

-

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Tooth on embolic base with rounded tip, surrounding membranous border small; tibial apophysis as fig.

Micrargus georgescuae Millidge, 1976

female

5
(3)

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Tooth on embolic base weakly developed, surrounding border robust; tibial apophysis as fig.

Micrargus herbigradus (Blackwall, 1854)

female

-

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Tooth on embolic base angled, surrounding border weakly developed

Micrargus alpinus Relys & Weiss, 1997

female

6
(2)

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Paracymbium with long, basally directed process

Micrargus subaequalis (Westring, 1851)

female

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Paracymbium with short, basally directed process

Micrargus laudatus (O. P.-Cambridge, 1881)

female

7
(1)
Anterior epigynal margin backwardly tapering into a tip

  8  

- Anterior epigynal margin very broadly bulged and directed backwardly

  9  

8
(7)

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Epigyne anteriorly distinctly wider than posteriorly

Micrargus subaequalis (Westring, 1851)

male

-

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Epigyne anteriorly slightly narrower than posteriorly

Micrargus laudatus (O. P.-Cambridge, 1881)

male

9
(7)

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Posterior border of anterior epigynal margin straight

Micrargus georgescuae Millidge, 1976

male

- Different

  10  

10
(9)

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Epigyne with distinct hump in lateral view

Micrargus alpinus Relys & Weiss, 1997

male

- Different

  11  

11
(10)

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Vulva as fig.

Micrargus apertus (O. P.-Cambridge, 1871)

male

-

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Epigyne and vulva as figs.

Micrargus herbigradus (Blackwall, 1854)

male

Further taxa

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1. Micrargus cupidon (Simon, 1913)

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2. Micrargus dilutus (Denis, 1948)

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3. Micrargus dissimilis Denis, 1950

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4. Micrargus pervicax (Denis, 1947)