Lepthyphantes: nebulosus-group

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1
Males

  2  

- Females

  7  

2
(1)
Pedipalp patella with 2 robust bristles; tibial apophysis robust

  3  

- Pedipalp patella with 1 bristle

  5  

3
(2)

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cp

Pedipalp tibia with keel-shaped apophysis, smaller or equal 1/2 width of pedipalp tibia

Megalepthyphantes nebulosus (Sundevall, 1830)

female

- Different

  4  

4
(3)

world

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cp

Lamella characteristica sickle-shaped

Megalepthyphantes collinus (L. Koch, 1872)

female

-

world

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cp

Lamella characteristica S-shaped

Megalepthyphantes pseudocollinus Saaristo, 1997

female

5
(2)

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cp

Bristle on pedipalp patella thick, on a tubercle; lamella serrated

Lepthyphantes minutus (Blackwall, 1833)

female

- Bristles on pedipalp patella as well as lamella different

  6  

6
(5)

world

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cp

Margins of lamella parallel; end of lamella round

Tenuiphantes alacris (Blackwall, 1853)

female

-

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Lamella different; end of lamella serrated

Lepthyphantes leprosus (Ohlert, 1865)

female

7
(1)
Epigynal groove almost completely covered by scapus

  8  

- Epigynal groove not completely covered by scapus

  10  

8
(7)

world

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cp

Visible part of scapus deeply indented posteriorly, much wider than long

Megalepthyphantes nebulosus (Sundevall, 1830)

male

- Different

  9  

9
(8)

world

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cp

Visible part of scapus wider than long

Megalepthyphantes collinus (L. Koch, 1872)

male

-

world

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cp

Visible part of scapus almost square

Megalepthyphantes pseudocollinus Saaristo, 1997

male

10
(7)

world

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cp

Visible part of scapus not stalked, weakly indented posteriorly

Lepthyphantes minutus (Blackwall, 1833)

male

- Visible part of scapus with distinct stalk, broader at its end, not indented

  11  

11
(10)

world

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cp

Posterior part of scapus parallel to stalked part of scapus, membranous; lateral processes of inner scapus not projecting; end of scapus not reaching beyond epigynal groove

Tenuiphantes alacris (Blackwall, 1853)

male

-

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cp

Terminal part of visible scapus broadened, lateral processes of inner part of scapus strongly projecting from epigynal groove

Lepthyphantes leprosus (Ohlert, 1865)

male