Lepthyphantes: mughi-group

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1
Tibia with 3-4 pairs of ventral bristles

  2  

- Tibia with 1-2 pair(s) of ventral bristles

  3  

2
(1)

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Trichobothria on metatarsus I at 0.95; pedipalp, lamella and epigyne as figs.

Mughiphantes armatus (Kulczyński, 1905)

-

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Trichobothria on metatarsus I at 0.5; pedipalp, lamella and epigyne as figs.

Mughiphantes varians (Kulczyński, 1882)

3
(1)
Males

  4  

- Females

  18  

4
(3)
Leg segments, except metatarsus, annulated

  5  

- At most tibia I and metatarsus I indistinctly annulated; terminal branch of paracymbium not broadened, at most with small lateral tooth or lateral wing

  8  

5
(4)
Terminal branch of paracymbium strongly broadened, deeply incised at end

  6  

-

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Terminal branch of paracymbium different; pedipalp as fig.; embolic division with lamella

Incestophantes kochiellus (Strand, 1900)

female

6
(5)
Lamella distally elongated to a long slender tooth and a lower small tooth

  7  

-

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Lamella distally with 2 long tips

Incestophantes frigidus (Simon, 1884)

female

7
(6)

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Teeth on terminal branch of paracymbium equal in size, parallel

Incestophantes kotulai (Kulczyński, 1904)

female

-

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Teeth on terminal branch of paracymbium unequal in size, divergent

Incestophantes annulatus (Kulczyński, 1882)

female

8
(4)

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Cymbium basally with 4-5 small tubercles; tip of lamella as fig.

Abiskoa abiskoensis (Holm, 1945)

female

- Cymbium basally with large rounded bulge

  9  

9
(8)
Lamella small, with 2 narrow tips, unequal in length

  10  

- Lamella larger, band-shaped, mostly with several small teeth

  11  

10
(9)

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Metatarsus without lateral bristles; paracymbium between transverse and terminal branch with a robust tooth, terminal branch with a small lateral wing; tip of lamella as fig.

Agnyphantes expunctus (O. Pickard-Cambridge, 1875)

female

-

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Metatarsus with lateral bristles; paracymbium at angle between transverse and terminal branch with small tooth, terminal branch with large lateral wing

Mughiphantes whymperi (F. O. Pickard-Cambridge, 1894)

female

11
(9)
Lamella distally with 2 small teeth

  12  

- Lamella distally with 2-4 small teeth as well as 1-2 small ventral and/or dorsal teeth

  14  

12
(11)

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Paracymbium simple, outer margin with robust tooth, terminal branch with small lateral wing; lamella rhombic, distally with 2 small convergent teeth

Mughiphantes pulcher (Kulczyński, 1881)

female

- Different

  13  

13
(12)

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Paracymbium complex, strongly projecting outwardly, transverse branch channel-shaped , terminal branch tongue-shaped without lateral wing; lamella distally with 2 parallel tips

Mughiphantes handschini (Schenkel, 1919)

female

-

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Paracymbium ends broadly; lamella distally with two unequal tips

Mughiphantes severus (Thaler, 1990)

female

14
(11)

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Lamella with small teeth on both sides at half length

Mughiphantes baebleri (Lessert, 1910)

female

- Lamella only on one side with small teeth; terminal branch of paracymbium with lateral wing, small teeth or forked

  15  

15
(14)

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Terminal branch of paracymbium distally forked; basal branch of paracymbium with cone-shaped tooth; lamella as fig.

Mughiphantes styriacus (Thaler, 1984)

female

- Terminal branch of paracymbium with small lateral wing or small teeth; basal branch of paracymbium without cone-shaped tooth

  16  

16
(15)

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Transverse branch with robust tooth on outer side; lamella as fig.

Mughiphantes rupium (Thaler, 1984)

female

- Transverse branch without or with small tooth on outer side

  17  

17
(16)

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Cymbium with small bulge; lamella as fig.

Mughiphantes variabilis (Kulczyński, 1887)

female

-

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Cymbium with large bulge; lamella as fig.

Mughiphantes mughi (Fickert, 1875)

female

18
(3)

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Scapus completely detached from anterior epigynal part

Abiskoa abiskoensis (Holm, 1945)

male

- Scapus broad, connected with anterior epigynal part

  19  

19
(18)
Visible part of scapus with distinctly stepped stalk

  20  

- Visible part of scapus never with stalk

  21  

20
(19)

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Metatarsus with lateral bristles; scapus rounded posteriorly

Mughiphantes whymperi (F. O. Pickard-Cambridge, 1894)

male

-

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Metatarsus only with dorsal bristle; scapus strongly indented posteriorly

Agnyphantes expunctus (O. Pickard-Cambridge, 1875)

male

21
(19)
All leg segments except metatarsus distinctly annulated; scapus laterally blister-shaped structure

  22  

- Only tibia and metatarsus I indistinctly annulated; scapus laterally without bullous structure

  25  

22
(21)

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Epigyne broad, on both sides of scapus with hump-like corpus

Incestophantes kochiellus (Strand, 1900)

male

- Different

  23  

23
(22)

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Margins of visible scapus distinctly indented, longer than wide

Incestophantes kotulai (Kulczyński, 1904)

male

- Margins of visible scapus not indented, converging posteriorly, wider than long

  24  

24
(23)

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Bullous structure semicircular

Incestophantes frigidus (Simon, 1884)

male

-

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Bullous structure kidney-shaped

Incestophantes annulatus (Kulczyński, 1882)

male

25
(21)

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Scapus slightly marked off, broadest at base, deeply indented at base

Mughiphantes variabilis (Kulczyński, 1887)

male

- Scapus distinctly narrower at base than in the middle

  26  

26
(25)

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Epigynal plate broader than scapus and therefore visible in ventral view

Mughiphantes baebleri (Lessert, 1910)

male

- Epigynal plates narrower than scapus, not visible in ventral view

  27  

27
(26)

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Visible part of scapus angular, at least twice as wide as long

Mughiphantes handschini (Schenkel, 1919)

male

- Visible part of scapus rounded, at most twice as wide as long

  28  

28
(27)
Opisthosoma whitish with distinct pattern; scapus 1.8 times as broad as long

  29  

- Opisthosoma blackish, without or with indistinct pale pattern; scapus 1.6 times as wide as long

  30  

29
(28)

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Scapus rounded laterally, medially 1.3 times as broad as at its base

Mughiphantes pulcher (Kulczyński, 1881)

male

-

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Scapus angular laterally, medially 1.8 times as broad as at its base

Mughiphantes mughi (Fickert, 1875)

male

30
(28)

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Tibia I without ventral bristle; epigyne as fig.

Mughiphantes rupium (Thaler, 1984)

male

- Tibia I with ventral bristle

  31  

31
(30)

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Epigyne with very small stretcher

Mughiphantes styriacus (Thaler, 1984)

male

-

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Epigyne with large stretcher

Mughiphantes severus (Thaler, 1990)

male