Linyphiidae: Bathyphantes Menge, 1866

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1
Males

  2  

- Females

  8  

2
(1)

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Embolus forming a very large loop, longitudinal to cymbium; anterior cheliceral furrow margin with 3, posterior margin with 4 denticles

Bathyphantes approximatus (O. Pickard-Cambridge, 1871)

female

- Embolic loop transverse to cymbium, on distal end of pedipalp

  3  

3
(2)

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Bulbus with long, pointed apophysis (its base mostly covered by paracymbium); tegular apophysis as fig.; chelicerae with 3 denticles each on anterior and posterior cheliceral furrow margin

Bathyphantes setiger F. O. Pickard-Cambridge, 1894

female

- Male pedipalp without pointed apophysis on bulbus

  4  

4
(3)
Body length 3-4 mm

  5  

- Body length < 3 mm

  6  

5
(4)

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Body length about 3 mm; Pedipalp with tegular apophysis as fig.

Bathyphantes similis Kulczyński, 1894

female

6
(4)

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Tegular apophysis on male pedipalp with rectangularly bent tip; outer margin of paracymbium appearing angular; anterior cheliceral furrow margin with 3, posterior margin with 5 denticles

Bathyphantes nigrinus (Westring, 1851)

female

- Tip of tegular apophysis not rectangularly bent

  7  

7
(6)

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Male pedipalp with tegular apophysis tapering to a tip; chelicerae with 3 denticles each on anterior and posterior cheliceral margin

Bathyphantes parvulus (Westring, 1851)

female

-

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Tegular apophysis of male pedipalp transversely truncated distally

Bathyphantes gracilis (Blackwall, 1841)

female

8
(1)

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Scapus of epigyne large, ± as long as wide

Bathyphantes approximatus (O. Pickard-Cambridge, 1871)

male

- Scapus of epigyne small or longer than wide

  9  

9
(8)
Anterior epigynal margin elongated to a long process, backwardly projecting

  10  

- Anterior epigynal margin straight, without process

  11  

10
(9)

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Epigynal groove ± square; scapus very small; chelicerae with 3 denticles on anterior and 5 denticles on posterior cheliceral furrow margin

Bathyphantes setiger F. O. Pickard-Cambridge, 1894

male

11
(9)

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Body length about 3 mm; epigyne very simple, only tip of scapus visible

Bathyphantes similis Kulczyński, 1894

male

- Body length < 3.0 mm

  12  

12
(11)

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Epigynal groove longer than wide; scapus narrow and long; anterior cheliceral furrow margin with 3 denticles, posterior margin with 5 denticles

Bathyphantes nigrinus (Westring, 1851)

male

- Epigynal groove wider than long

  13  

13
(12)

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Scapus of epigyne surrounded by semicircular, sclerotised wall; chelicerae with 3 denticles each on anterior and posterior cheliceral margin

Bathyphantes parvulus (Westring, 1851)

male

-

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Scapus of epigyne not surrounded by sclerotised wall; epigyne strongly protruding with short scapus, on anterior margin with a small depression

Bathyphantes gracilis (Blackwall, 1841)

male

Further taxa

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1. Bathyphantes eumenis (L. Koch, 1879)

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2. Bathyphantes eumenis buchari Růžička, 1988

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3. Bathyphantes fragmitis Gnelitsa, 2021

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4. Bathyphantes humilis (L. Koch, 1879)

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5. Bathyphantes jeniseicus Eskov, 1979

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6. Bathyphantes ohlerti Simon, 1884

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7. Bathyphantes reprobus (Kulczyński, 1916)

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8. Bathyphantes vittiger Simon, 1884