araneae - Walckenaeria

Linyphiidae: Walckenaeria Blackwall, 1833

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Males

Females

Head region tower like extended

Walckenaeria acuminata Blackwall, 1833

Pedipalp (Wiehle 1960a)	Pedipalp (Wiehle 1960a)	Pedipalp (Roberts 1987)
Pedipalp (Locket & Millidge 1953)	Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)
Prosoma, lateral view (Roberts 1995)

Different

3
(2)

Prosomal process narrow, long and forked; pedipalp as fig.

Walckenaeria furcillata (Menge, 1869)

Pedipalp, ventral view (Wiehle 1960a)	Pedipalp, ventral view (Wiehle 1960a)	Pedipalp (Roberts 1987)
Pedipalp (Locket & Millidge 1953)	Tibial apophysis (Locket & Millidge 1953)	Prosoma, lateral view (Roberts 1987)
Prosoma, dorsal view (Locket & Millidge 1953)	Prosoma, lateral view (Locket & Millidge 1953)

Different

4
(3)

Cephalic lobe distinct, ± as high as long, in some species almost as high as long

Cephalic lobe half as high as long at most, horn-shaped or cone-shaped process or missing

5
(4)

Cephalic lobe divided into two parts by deep constriction

Different

6
(5)

Anterior part of cephalic lobe distinctly larger than posterior part

Walckenaeria capito (Westring, 1861)

Pedipalp (Wiehle 1960a)	Pedipalp, ventral view (Wiehle 1960a)	Pedipalp (Roberts 1987)
Pedipalp (Locket & Millidge 1953)	Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)
Prosoma, lateral view (Roberts 1987)

Anterior part of cephalic lobe equal in size or smaller than posterior part

7
(6)

Anterior part of cephalic lobe smaller than posterior part; tibial apophysis with ventral branch tapering to a tip, dorsal branch with three blunt teeth

Walckenaeria cucullata (C. L. Koch, 1836)

Pedipalp (Wiehle 1960a)	Pedipalp, ventral view (Roberts 1987)	Pedipalp, ventral view (Thaler 1978b)
Pedipalp, ventral view (Wiehle 1960a)	Pedipalp (Locket & Millidge 1953)	Embolic division (Thaler 1978b)
Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)	Prosoma, lateral view (Roberts 1987)
Eyes, dorsal view (Wiehle 1960a)

Anterior part of cephalic lobe approximately equal in size as posterior part; tibial apophysis without dorsal branch, 3-4 teeth on stem of inner apophysis; smaller than cucullata

Walckenaeria languida (Simon, 1915)

Pedipalp, dorsal view (Thaler 1978a)	Embolic division (Thaler 1978a)	Palpal tibia, dorsal view (Thaler 1978a)
Palpal tibia, retrolateral view (Thaler 1978a)	Prosoma, lateral view (Thaler 1978a)

8
(5)

Cephalic lobe distinctly marked off; pedipalp as fig.

Walckenaeria mitrata (Menge, 1868)

Pedipalp, retrolateral view (Wiehle 1960a)	Pedipalp, ventral view (Locket et al. 1974)	Pedipalp, prolateral view (Wiehle 1960a)
Tibial apophysis, dorsal view (Wiehle 1960a)	Tibial apophysis, dorsal view (Locket et al. 1974)	Prosoma, lateral view (Roberts 1987)

Different

9
(8)

Cephalic lobe distinctly higher than long; pedipalp as fig.

Walckenaeria nodosa O. Pickard-Cambridge, 1873

Pedipalp, ventral view (Roberts 1987)	Pedipalp, ventral view (Wiehle 1960a)	Pedipalp (Locket & Millidge 1953)
Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)	Prosoma, lateral view (Roberts 1987)
Prosoma, lateral view (Locket & Millidge 1953)

Different

10
(9)

Cephalic lobe as fig.; embolus spiral, approximately 1.5 loops, conducted by membranous conductor at tip; tibial apophysis pointed and bent

Walckenaeria incisa (O. Pickard-Cambridge, 1871)

Pedipalp, ventral view (Heimer & Nentwig 1991)	Pedipalp, ventral view (Locket & Millidge 1953)	Pedipalp (Roberts 1987)
Tibial apophysis (Locket & Millidge 1953)	Prosoma, lateral view (Roberts 1987)	Prosoma, lateral view (Locket & Millidge 1953)

Cephalic lobe as fig.; embolus spiral, approximately one loop; tibial apophysis different

11
(10)

Cephalic lobe as fig.; embolus narrowly twisted

Walckenaeria antica (Wider, 1834)

Pedipalp (Wiehle 1960a)	Pedipalp, ventral view (Roberts 1987)	Pedipalp, ventral view (Wiehle 1960a)
Pedipalp, ventral view (Locket & Millidge 1953)	Embolus (Roberts 1987)	Tibial apophysis (Locket & Millidge 1953)
Prosoma, lateral view (Roberts 1987)

Embolus widely twisted; otherwise similar to antica and hardly distinguishable without comparison

Walckenaeria alticeps (Denis, 1952)

Pedipalp, ventral view (Heimer & Nentwig 1991)	Pedipalp, ventral view (Roberts 1987)	Embolus (Roberts 1987)
Prosoma, lateral view (Roberts 1987)

12
(4)

Between anterior median eyes and posterior median eyes a tuft of bent plumose hairs; without cephalic lobe; pedipalp as fig.

Walckenaeria monoceros (Wider, 1834)

Pedipalp, retrolateral view (Wiehle 1960a)	Pedipalp (Roberts 1987)	Pedipalp (Locket & Millidge 1953)
Tibial apophysis, prolateral view (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)	Prosoma, lateral view (Roberts 1987)
Prosoma, lateral view (Wiehle 1960a)

Different

13
(12)

Prosoma with semi-high cephalic lobe

Different

14
(13)

Prosoma with narrow, horn-shaped or cone-shaped processes between eyes

Prosoma without conspicuous processes

15
(13)

Prosoma step-like elevated anteriorly, in the middle of dorsal line with a distinct depression; tibia with two equally long apophyses

Walckenaeria atrotibialis (O. Pickard-Cambridge, 1878)

Pedipalp (Wiehle 1960a)	Pedipalp (Wiehle 1960a)	Pedipalp (Roberts 1987)
Pedipalp (Locket & Millidge 1953)	Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)
Prosoma, lateral view (Roberts 1987)	Prosoma, lateral view (Locket & Millidge 1953)

Different

16
(15)

Prosoma anterior to cephalic lobe with a horn-shaped structure consisting of 15-20 merged hairs; pedipalp as fig.;

Walckenaeria stylifrons (O. Pickard-Cambridge, 1875)

Pedipalp (Heimer & Nentwig 1991)	Pedipalp (Roberts 1987)	Pedipalp (Locket et al. 1974)
Palpal tibia, dorsal view (Heimer & Nentwig 1991)	Palpal tibia, dorsal view (Locket et al. 1974)	Prosoma, lateral view (Roberts 1987)

Prosoma without this structure

17
(16)

Tibial apophysis long, bent, tapering to a tip, on its base another pointed process

Walckenaeria obtusa Blackwall, 1836

Pedipalp, ventral view (Roberts 1987)	Pedipalp, ventral view (Wiehle 1960a)	Pedipalp (Wiehle 1960a)
Pedipalp (Locket & Millidge 1953)	Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)
Prosoma, lateral view (Wiehle 1960a)

Tibial apophysis long, bent, bluntly tapering, on its base another bent, blunt process; prosoma as fig.; legs completely spineless

Walckenaeria simplex Chyzer, 1894

Pedipalp, ventral view (Miller 1959)	Tibial apophysis (Miller 1959)	Prosoma, lateral view (Miller 1959)

18
(14)

Between the eyes a bipartite or distally broadened cone-shaped tubercle

Between the eyes a single cone-shaped tubercle, which bears longer hairs distally

19
(18)

Ends of cone-shaped tubercle forwardly bent; pedipalp with large, spiral embolus

Walckenaeria kochi (O. Pickard-Cambridge, 1873)

Pedipalp, ventral view (Wiehle 1960a)	Pedipalp (Roberts 1987)	Pedipalp (Locket & Millidge 1953)
Pedipalp (Roberts 1987)	Pedipalp (Wiehle 1960a)	Tip of tibial apophysis (Wiehle 1960a)
Tibial apophysis (Locket & Millidge 1953)	Prosoma, frontal view (Wiehle 1960a)	Prosoma, lateral and dorsal view (Roberts 1987)
Eyes, frontal view (Locket & Millidge 1953)

Ends of cone-shaped tubercle not bent

20
(19)

Tibial apophysis with 2 crossing processes

Walckenaeria clavicornis (Emerton, 1882)

Pedipalp, ventral view (Heimer & Nentwig 1991)	Pedipalp (Roberts 1987)	Palpal tibia (Locket et al. 1974)
Tibial apophysis (Heimer & Nentwig 1991)	Prosoma, lateral view (Roberts 1987)

Tibial apophysis with 2 bent processes, not crossing

Walckenaeria unicornis O. Pickard-Cambridge, 1861

Pedipalp (Wiehle 1960a)	Pedipalp, ventral view (Wiehle 1960a)	Pedipalp (Roberts 1987)
Pedipalp (Locket & Millidge 1953)	Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)
Prosoma, lateral and dorsal view (Roberts 1987)	Prosoma, frontal view (Wiehle 1960a)	Eyes, frontal view (Locket & Millidge 1953)

21
(18)

Cone-shaped tubercle protruding forwards; embolus grooved near tip

Walckenaeria cuspidata Blackwall, 1833

Pedipalp (Wiehle 1960a)	Pedipalp (Locket & Millidge 1953)	Pedipalp (Roberts 1987)
Tibial apophysis (Locket & Millidge 1953)	Prosoma, lateral view (Roberts 1987)	Eyes, dorsal view (Heimer & Nentwig 1991)

Cone-shaped tubercle projecting upwards: pedipalp with non-grooved embolus and claw-shaped terminal apophysis

Walckenaeria corniculans (O. Pickard-Cambridge, 1875)

Pedipalp (Wiehle 1960a)	Pedipalp (Wiehle 1960a)	Pedipalp (Locket & Millidge 1953)
Pedipalp (Roberts 1987)	Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)
Tibial apophysis (Locket & Millidge 1953)	Prosoma, lateral view (Roberts 1987)

22
(14)

Pedipalp with small paracymbium; tibial apophysis rounded and simple

Walckenaeria vigilax (Blackwall, 1853)

Pedipalp, ventral view (Roberts 1987)	Pedipalp, ventral view (Wiehle 1960a)	Pedipalp (Wiehle 1960a)
Pedipalp (Locket & Millidge 1953)	Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)

Pedipalp with large paracymbium; tibial apophysis complex

23
(22)

Paracymbium ± U-shaped; tibial apophysis distally with 2 long processes

Walckenaeria nudipalpis (Westring, 1851)

Pedipalp, ventral view (Roberts 1987)	Pedipalp, ventral view (Wiehle 1960a)	Pedipalp (Wiehle 1960a)
Pedipalp (Roberts 1987)	Pedipalp (Locket & Millidge 1953)	Tibial apophysis (Wiehle 1960a)
Tibial apophysis (Locket & Millidge 1953)

Paracymbium ± elongated; tibial apophysis distally with one long process

Walckenaeria dysderoides (Wider, 1834)

Pedipalp (Wiehle 1960a)	Pedipalp (Roberts 1987)	Pedipalp (Locket & Millidge 1953)
Tibial apophysis (Wiehle 1960a)	Tibial apophysis (Locket & Millidge 1953)	Prosoma, lateral view (Wiehle 1960a)

24
(1)

Epigyne with scapus; Vulva as fig.

Walckenaeria dysderoides (Wider, 1834)

Epigyne (Wiehle 1960a)	Epigyne (Locket & Millidge 1953)	Epigyne (Roberts 1987)
Vulva (Wiehle 1960a)

Epigyne without distinct scapus

25
(24)

Epigyne with 2 tongue-shaped plates, reaching far beyond epigastric furrow

Walckenaeria clavicornis (Emerton, 1882)

Epigyne (Heimer & Nentwig 1991)	Epigyne (Roberts 1987)	Vulva (Heimer & Nentwig 1991)

Different

26
(25)

Margins of lateral epigynal plates ± parallel, Y-like diverging anteriorly

Walckenaeria unicornis O. Pickard-Cambridge, 1861

Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)	Epigyne (Roberts 1987)
Epigyne (Locket & Millidge 1953)	Vulva (Wiehle 1960a)	Vulva (Wiehle 1960a)

Different

27
(26)

Median epigynal plate nose-shaped, reaching beyond epigastric furrow

Different

28
(27)

Epigyne and vulva as fig.

Walckenaeria cucullata (C. L. Koch, 1836)

Epigyne (Roberts 1987)	Epigyne/vulva, ventral view (Thaler 1978b)	Epigyne (Wiehle 1960a)
Epigyne (Locket & Millidge 1953)	Vulva, ventral view (Wiehle 1960a)	Vulva, dorsal view (Wiehle 1960a)
Chelicerae, frontal view (Locket & Millidge 1953)

Epigyne and vulva as fig.; smaller than cucullata

Walckenaeria languida (Simon, 1915)

Vulva, ventral view
(Thaler 1978a)

29
(27)

Median epigynal plate semicircular, reaching beyond epigastric furrow

Different

30
(29)

Median epigynal plate conspicuously sclerotised on posterior epigynal margin

Part of median epigynal plate which reaches beyond epigastric furrow without conspicuously margin

31
(30)

Median epigynal plate anteriorly distinctly marked off as roundish oval plate

Walckenaeria furcillata (Menge, 1869)

Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)
Vulva (Wiehle 1960a)

Median epigynal plate not marked off anteriorly

Walckenaeria incisa (O. Pickard-Cambridge, 1871)

Epigyne (Heimer & Nentwig 1991)	Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)
Vulva (Wiehle 1960a)

32
(30)

Median epigynal plate broadly projecting beyond epigastric furrow

Walckenaeria stylifrons (O. Pickard-Cambridge, 1875)

Epigyne (Heimer & Nentwig 1991)	Epigyne (Roberts 1987)	Epigyne (Roberts 1987)
Epigyne (Locket et al. 1974)	Vulva (Heimer & Nentwig 1991)

Median epigynal plate roundly projecting beyond epigastric furrow

Walckenaeria nodosa O. Pickard-Cambridge, 1873

Epigyne (Roberts 1987)	Epigyne (Wiehle 1960a)	Epigyne (Locket & Millidge 1953)
Vulva (Wiehle 1960a)

33
(29)

Length of marked off part of median epigynal plate approximately 3/4 of epigynal length

Length of marked off part of median epigynal plate 1/2 of epigynal length at most

34
(33)

Median epigynal area hourglass-shaped, widest posteriorly

Walckenaeria kochi (O. Pickard-Cambridge, 1873)

Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)	Epigyne (Wiehle 1960a)
Vulva (Wiehle 1960a)

Different

35
(34)

Median epigynal area widest anteriorly

Walckenaeria mitrata (Menge, 1868)

Epigyne (Roberts 1987)	Epigyne (Locket et al. 1974)	Epigyne (Wiehle 1960a)
Vulva (Wiehle 1960a)

Epigyne and vulva as fig.

Walckenaeria simplex Chyzer, 1894

Epigyne
(Miller 1959)

Vulva
(Miller 1959)

36
(33)

Median epigynal plate distinctly marked off from remaining epigynal area

Walckenaeria capito (Westring, 1861)

Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)	Epigyne (Roberts 1987)
Epigyne (Locket & Millidge 1953)	Epigyne (Wiehle 1960a)	Vulva (Wiehle 1960a)

Median epigynal plate merging with remaining epigynal on anterior margin at least

37
(36)

Eye region of prosoma strongly elevated

Walckenaeria acuminata Blackwall, 1833

Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)	Epigyne (Roberts 1987)
Epigyne (Locket & Millidge 1953)	Vulva (Wiehle 1960a)	Prosoma, lateral view (Wiehle 1960a)
Prosoma, lateral view (Locket & Millidge 1953)

Different

38
(37)

Receptaculum seminis visible through epigynal plate

Receptaculum seminis not visible through anterior or median epigynal part

39
(38)

Median epigynal plate broad; roundish, separated entrance ducts visible through epigyne

Walckenaeria nudipalpis (Westring, 1851)

Epigyne (Roberts 1987)	Epigyne (Wiehle 1960a)	Epigyne (Locket & Millidge 1953)
Vulva (Wiehle 1960a)

Median epigynal plate trapezoid; entrance ducts Y-shaped

Walckenaeria obtusa Blackwall, 1836

Epigyne (Roberts 1987)	Epigyne (Wiehle 1960a)	Epigyne (Locket & Millidge 1953)
Vulva (Wiehle 1960a)

40
(38)

Receptaculum seminis only visible through anterior or median epigynal area

Entrance ducts, like receptaculum seminis ± distinctly visible

41
(40)

Anterior margin of median epigynal plate bent inwards

Walckenaeria atrotibialis (O. Pickard-Cambridge, 1878)

Epigyne (Wiehle 1960a)	Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)
Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)	Vulva (Wiehle 1960a)

Different

42
(41)

Epigynal area almost twice as long as wide; receptacula seminis visible through epigyne, separated by 1.5 diameter

Walckenaeria vigilax (Blackwall, 1853)

Epigyne (Roberts 1987)	Epigyne (Roberts 1987)	Epigyne (Wiehle 1960a)
Epigyne (Locket & Millidge 1953)	Vulva (Wiehle 1960a)

Epigynal area ± as long as wide; receptacula seminis visible through epigyne, separated by 0.5 diameter

Walckenaeria corniculans (O. Pickard-Cambridge, 1875)

Epigyne (Wiehle 1960a)	Epigyne (Locket & Millidge 1953)	Epigyne (Roberts 1987)
Vulva (Wiehle 1960a)

43
(40)

Posterior epigynal margin rounded, receptaculum seminis and entrance ducts H-shaped (shining through epigyne)

Posterior epigynal margin straight, structures visible through epigyne not H-shaped

44
(43)

Epigyne and vulva as fig.

Walckenaeria alticeps (Denis, 1952)

Epigyne (Roberts 1987)	Epigyne (Roberts 1987)	Vulva (Roberts 1987)
Vulva (Roberts 1987)

Epigyne as fig.; very similar to alticeps

Walckenaeria antica (Wider, 1834)

Epigyne (Heimer & Nentwig 1991)	Epigyne (Wiehle 1960a)	Epigyne (Locket & Millidge 1953)
Epigyne (Roberts 1987)	Epigyne (Roberts 1987)	Vulva (Heimer & Nentwig 1991)
Vulva (Wiehle 1960a)	Vulva (Roberts 1987)	Vulva (Roberts 1987)

45
(43)

Median epigynal plate ± trapezoid, its anterior margin bent inwards

Walckenaeria cuspidata Blackwall, 1833

Epigyne (Wiehle 1960a)	Epigyne (Locket & Millidge 1953)	Epigyne (Roberts 1987)
Vulva (Wiehle 1960a)

Median epigynal plate only hinted

Walckenaeria monoceros (Wider, 1834)

Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)
Epigyne (Locket & Millidge 1953)	Epigyne (Roberts 1987)	Vulva (Wiehle 1960a)

Further taxa

1. Walckenaeria abantensis Wunderlich, 1995

Pedipalp, retrolateral view (Wunderlich 1995c)	Pedipalp, retrolateral view (Bosmans et al. 2009)	Palpal tibia, dorsal view (Wunderlich 1995c)
Palpal tibia, dorsal view (Bosmans et al. 2009)	Prosoma, lateral view (Wunderlich 1995c)	Ocular area (Wunderlich 1995c)
Epigyne (Wunderlich 1995c)	Epigyne, ventral view (Bosmans et al. 2009)	Vulva, dorsal view (Wunderlich 1995c)
Vulva, ventral view (Bosmans et al. 2009)

2. Walckenaeria aksoyi Seyyar, Demir & Türkes, 2008

Pedipalp, retrolateral view (Seyyar et al. 2008b)	Palpal patella, dorsal view (Seyyar et al. 2008b)	Prosoma, dorsal view (Seyyar et al. 2008b)
Prosoma, lateral view (Seyyar et al. 2008b)	Prosoma, frontal view (Seyyar et al. 2008b)	Cephalic area, dorsal view (Seyyar et al. 2008b)

3. Walckenaeria angelica Millidge, 1979

Epigyne (Millidge 1979)	Vulva (Millidge 1979)	Prosoma, lateral view (Millidge 1979)

4. Walckenaeria angustifrons (Simon, 1884)

Epigyne
(Simon 1926)

Epigyne/vulva
(Wunderlich 1972a)

5. Walckenaeria baborensis Bosmans, 1993

Pedipalp, retrolateral view (Bosmans & De Smet 1993)	Embolic division, antero-prolateral view (Bosmans & De Smet 1993)	Palpal tibia, antero-retrolateral view (Bosmans & De Smet 1993)
Palpal tibia, dorsal view (Bosmans & De Smet 1993)	Prosoma, frontal part, lateral view (Bosmans & De Smet 1993)	Epigyne, ventral view (Bosmans & De Smet 1993)
Vulva, dorsal view (Bosmans & De Smet 1993)

6. Walckenaeria bifasciculata Tanasevitch, 1987

Pedipalp, retrolateral view (Tanasevitch 1987a)	Pedipalp, retrolateral view (Seropian et al. 2023b)	Palpal tibia, dorsal view (Tanasevitch 1987a)
Palpal tibia, dorsal view (Seropian et al. 2023b)	Prosoma, lateral view (Tanasevitch 1987a)	Prosoma, dorsal view (Seropian et al. 2023b)
Prosoma, lateral view (Seropian et al. 2023b)	Eyes, dorsal view (Tanasevitch 1987a)	Epigyne, ventral view (Tanasevitch 1987a)
Epigyne (Seropian et al. 2023b)	Vulva, dorsal view (Seropian et al. 2023b)

7. Walckenaeria brucei (Tullgren, 1955)

Epigyne, ventral view
(Tullgren 1955)

8. Walckenaeria christae Wunderlich, 1995

Tibial apophysis (Wunderlich 1995c)	Prosoma, lateral view (Wunderlich 1995c)	Prosoma, dorsal view (Wunderlich 1995c)
Epigyne (Wunderlich 1995c)	Vulva, dorsal view (Wunderlich 1995c)

9. Walckenaeria cirriceps Thaler, 1996

Pedipalp, retrolateral view (Thaler 1996)	Tip of embolus (Thaler 1996)	Palpal tibia, dorsal view (Thaler 1996)
Palpal tibia (Thaler 1996)	Prosoma, lateral view (Thaler 1996)	Cephalic area, dorsal view (Thaler 1996)
Cephalic area (Thaler 1996)	Cephalic area (Thaler 1996)	Cephalic area (Thaler 1996)
Cephalic area (Thaler 1996)	Epigyne/vulva, ventral view (Thaler 1996)	Epigyne/vulva, dorsal view (Thaler 1996)

10. Walckenaeria claviloba Wunderlich, 1995

Pedipalp, retrolateral view (Wunderlich 1995c)	Embolic division, prolateral view (Wunderlich 1995c)	Palpal tibia, dorsal view (Wunderlich 1995c)
Prosoma, lateral view (Wunderlich 1995c)	Eyes, dorsal view (Wunderlich 1995c)

11. Walckenaeria coniceps Thaler, 1996

Pedipalp (Thaler 1996)	Palpal tibia (Thaler 1996)	Prosoma, lateral view (Thaler 1996)
Ocular area (Thaler 1996)	Epigyne/vulva (Thaler 1996)	Vulva (Thaler 1996)

12. Walckenaeria cretaensis Wunderlich, 1995

Pedipalp (Wunderlich 1995c)	Palpal tibia (Wunderlich 1995c)	Prosoma, lateral view (Wunderlich 1995c)
Eyes, dorsal view (Wunderlich 1995c)	Epigyne (Wunderlich 1995c)	Vulva (Wunderlich 1995c)

13. Walckenaeria crocata (Simon, 1884)

Pedipalp, retrolateral view (Bosmans & De Smet 1993)	Embolic division, antero-prolateral view (Bosmans & De Smet 1993)	Palpal tibia, dorsal view (Wunderlich 1972a)
Palpal tibia, dorsal view (Wunderlich 1995c)	Palpal tibia, antero-retrolateral view (Bosmans & De Smet 1993)	Palpal tibia, dorsal view (Bosmans & De Smet 1993)
Prosoma, frontal part, lateral view (Wunderlich 1972a)	Prosoma, frontal part, dorsal view (Wunderlich 1995c)	Prosoma, frontal part, lateral view (Wunderlich 1995c)
Prosoma, frontal part, lateral view (Bosmans & De Smet 1993)	Epigyne (Denis 1964d)	Epigyne (Denis 1964d)
Epigyne (Wunderlich 1972a)	Epigyne, posterior view (Bosmans & De Smet 1993)	Epigyne, ventral view (Bosmans & De Smet 1993)
Vulva, dorsal view (Bosmans & De Smet 1993)

14. Walckenaeria cuspidata obsoleta Chyzer & Kulczyński, 1894

Pedipalp, retrolateral view (Chyzer & Kulczyński 1894)	Palpal tibia, dorsal view (Chyzer & Kulczyński 1894)	Prosoma, lateral view (Chyzer & Kulczyński 1894)

15. Walckenaeria cyprusensis Wunderlich, 1995

Pedipalp (Wunderlich 1995c)	Palpal tibia, dorsal view (Wunderlich 1995c)	Prosoma, lateral view (Wunderlich 1995c)
Eyes, dorsal view (Wunderlich 1995c)	Epigyne (Wunderlich 1995c)	Vulva, dorsal view (Wunderlich 1995c)

16. Walckenaeria dalmasi (Simon, 1915)

Pedipalp (Bosmans et al. 2010)	Embolic division, antero-ventral view (Bosmans et al. 2010)	Palpal tibia (Simon 1926)
Palpal tibia, dorsal view (Bosmans et al. 2010)	Prosoma, lateral view (Simon 1926)	Prosoma, lateral view (Bosmans et al. 2010)
Cephalic area, lateral view (Bosmans et al. 2010)	Epigyne (Simon 1926)	Epigyne, ventral view (Bosmans et al. 2010)
Vulva, ventral view (Bosmans et al. 2010)

17. Walckenaeria danismani Esyunin, Vlasov & Ustinova, 2024

Pedipalp, retrolateral view (Esyunin et al. 2024d)	Bulbus, ventral view (Esyunin et al. 2024d)	Palpal tibia, dorsal view (Esyunin et al. 2024d)
Palpal tibia, ventral view (Esyunin et al. 2024d)	Prosoma, lateral view (Esyunin et al. 2024d)	Epigyne (Danışman et al. 2020a)

18. Walckenaeria erythrina (Simon, 1884)

Pedipalp, retrolateral view (Bosmans & De Smet 1993)	Embolic division, antero-prolateral view (Bosmans & De Smet 1993)	Palpal tibia, dorsal view (Bosmans & De Smet 1993)
Palpal tibia, antero-retrolateral view (Bosmans & De Smet 1993)	Prosoma, lateral view (Bosmans & De Smet 1993)	Epigyne, ventral view (Bosmans & De Smet 1993)
Vulva, dorsal view (Bosmans & De Smet 1993)

19. Walckenaeria extraterrestris Bosmans, 1993

Pedipalp, retrolateral view (Thaler 1996)	Pedipalp, retrolateral view (Bosmans & De Smet 1993)	Tip of embolus (Thaler 1996)
Suprategulum (Thaler 1996)	Palpal tibia, dorsal view (Thaler 1996)	Palpal tibia (Thaler 1996)
Palpal tibia, dorsal view (Bosmans & De Smet 1993)	Palpal tibia, dorso-prolateral view (Bosmans & De Smet 1993)	Prosoma, frontal view (Thaler 1996)
Prosoma, frontal view (Bosmans & De Smet 1993)	Prosoma, lateral view (Bosmans & De Smet 1993)	Cephalic area, dorsal view (Thaler 1996)
Chelicera (Thaler 1996)

20. Walckenaeria hamus Wunderlich, 1995

Pedipalp (Wunderlich 1995c)	Palpal tibia, dorsal view (Wunderlich 1995c)	Prosoma, lateral view (Wunderlich 1995c)
Prosoma, dorsal view (Wunderlich 1995c)	Epigyne, ventral view (Bosmans et al. 2013)	Vulva (Bosmans et al. 2013)

21. Walckenaeria heimbergi Bosmans, 2007

Pedipalp, retrolateral view (Bosmans 2007)	Embolic division, antero-mesal view (Bosmans 2007)	Palpal tibia, dorsal view (Bosmans 2007)
Prosoma, dorsal view (Bosmans 2007)	Prosoma, aberrant form, lateral view (Bosmans 2007)	Prosoma, lateral view (Bosmans 2007)
Prosoma, frontal part, dorsal view (Bosmans 2007)	Prosoma, frontal part, lateral view (Bosmans 2007)	Epigyne, ventral view (Bosmans 2007)
Vulva, dorsal view (Bosmans 2007)

22. Walckenaeria inflexa (Westring, 1861)

-- Caption missing --
(WSC 2025)

23. Walckenaeria insperata Millidge, 1979

Prosoma, dorsal view (Millidge 1979)	Epigyne (Millidge 1979)	Vulva (Millidge 1979)

24. Walckenaeria kabyliana Bosmans, 1993

Embolic division, antero-prolateral view (Bosmans & De Smet 1993)	Palpal tibia, antero-retrolateral view (Bosmans & De Smet 1993)	Palpal tibia, dorsal view (Bosmans & De Smet 1993)
Prosoma, frontal part, lateral view (Bosmans & De Smet 1993)	Pedicel, retrolateral view (Bosmans & De Smet 1993)	Epigyne, ventral view (Bosmans & De Smet 1993)
Vulva, dorsal view (Bosmans & De Smet 1993)

25. Walckenaeria karpinskii (O. Pickard-Cambridge, 1873)

Pedipalp, retrolateral view (Løvbrekke unpubl.)	Palpal tibia (Efimik & Esyunin 1996)	Palpal tibia, retrolateral view (Millidge 1983)
Palpal tibia, dorsal view (Millidge 1983)	Palpal tibia, dorsal view (Millidge 1983)	Palpal tibia, meso-dorsal view (Millidge 1983)
Palpal tibia, meso-dorsal view (Millidge 1983)	Palpal tibia, dorsal view (Parker 1969)	Palpal tibia, dorsal view (Løvbrekke unpubl.)
Epigyne, ventral view (Millidge 1983)	Epigyne, ventral view (Millidge 1983)	Epigyne, ventral view (Millidge 1983)
Epigyne (Parker 1969)	Epigyne (Løvbrekke unpubl.)	Epigyne (Fjellberg unpubl.)
Epigyne (Morka unpubl.)	Vulva (Efimik & Esyunin 1996)	Vulva (Efimik & Esyunin 1996)
Vulva (Millidge 1983)	Vulva (Løvbrekke unpubl.)	Vulva, dorsal view (Morka unpubl.)

26. Walckenaeria kazakhstanica Eskov, 1995

Pedipalp (Efimik & Esyunin 1996)	Pedipalp (Efimik & Esyunin 1996)	Palpal tibia (Efimik & Esyunin 1996)
Prosoma, lateral view (Efimik & Esyunin 1996)	Prosoma, dorsal view (Efimik & Esyunin 1996)	Ocular area, lateral view (Efimik & Esyunin 1996)
Epigyne, ventral view (Efimik & Esyunin 1996)	Vulva, dorsal view (Efimik & Esyunin 1996)	Vulva, ventral view (Efimik & Esyunin 1996)

27. Walckenaeria korobeinikovi Esyunin & Efimik, 1996

Pedipalp (Efimik & Esyunin 1996)	Palpal tibia (Efimik & Esyunin 1996)	Palpal tibia (Efimik & Esyunin 1996)
Palpal tibia (Efimik & Esyunin 1996)	Vulva, dorsal view (Efimik & Esyunin 1996)	Ocular area (Efimik & Esyunin 1996)
Ocular area, lateral view (Efimik & Esyunin 1996)	Epigyne (Efimik & Esyunin 1996)	Vulva, dorsal view (Efimik & Esyunin 1996)
Vulva, dorsal view (Efimik & Esyunin 1996)

28. Walckenaeria lepida (Kulczyński, 1885)

Pedipalp, retrolateral view (Pajunen et al. 2009)	Pedipalp, prolateral view (Pajunen et al. 2009)	Pedipalp, retrolateral view (Løvbrekke unpubl.)
Tip of embolus (Løvbrekke unpubl.)	Palpal tibia, dorsal view (Wunderlich 1972a)	Palpal tibia, dorsal view (Løvbrekke unpubl.)
Prosoma, lateral view (Wunderlich 1972a)	Eyes, dorsal view (Løvbrekke unpubl.)	Epigyne, ventral view (Pajunen et al. 2009)
Epigyne, ventral view (Løvbrekke unpubl.)	Vulva (Pajunen et al. 2009)	Vulva, dorsal view (Løvbrekke unpubl.)

29. Walckenaeria mariannae Bosmans, 1993

Pedipalp, retrolateral view (Bosmans & De Smet 1993)	Pedipalp, retrolateral view (Bosmans & De Smet 1993)	Embolic division, antero-prolateral view (Bosmans & De Smet 1993)
Palpal tibia, antero-prolateral view (Bosmans & De Smet 1993)	Prosoma, frontal part, lateral view (Bosmans & De Smet 1993)	Epigyne, ventral view (Bosmans & De Smet 1993)
Vulva, dorsal view (Bosmans & De Smet 1993)	Prosoma, lateral view (Bosmans & De Smet 1993)

30. Walckenaeria neglecta Bosmans, 1993

Pedipalp, retrolateral view (Bosmans & De Smet 1993)	Embolic division, antero-prolateral view (Bosmans & De Smet 1993)	Palpal tibia, antero-retrolateral view (Bosmans & De Smet 1993)
Palpal tibia, dorsal view (Bosmans & De Smet 1993)	Prosoma, frontal part, lateral view (Bosmans & De Smet 1993)	Epigyne, ventral view (Bosmans & De Smet 1993)
Vulva, dorsal view (Bosmans & De Smet 1993)

31. Walckenaeria picetorum (Palmgren, 1976)

Pedipalp, retrolateral view (Palmgren 1976)	Epigyne, ventral view (Løvbrekke unpubl.)	Epigyne, ventral view (Palmgren 1976)
Vulva, dorsal view (Løvbrekke unpubl.)	Prosoma, lateral view (Palmgren 1976)	Prosoma, dorsal view (Palmgren 1976)
Leg I, retrolateral view (Palmgren 1976)

32. Walckenaeria plumata Millidge, 1979

Pedipalp (Millidge 1979)	Pedipalp, dorsal view (Danışman & Coşar 2023)	Pedipalp, prolateral view (Danışman & Coşar 2023)
Pedipalp, retrolateral view (Danışman & Coşar 2023)	Pedipalp, ventral view (Danışman & Coşar 2023)	Palpal tibia, dorsal view (Millidge 1979)
Prosoma, frontal view (Danışman & Coşar 2023)	Prosoma, lateral view (Danışman & Coşar 2023)	Cephalic area (Millidge 1979)
Epigyne (Millidge 1979)	Vulva (Millidge 1979)

33. Walckenaeria pyrenaea (Denis, 1952)

Epigyne, ventral view
(Denis 1952a)

Prosoma, lateral view
(Denis 1952a)

34. Walckenaeria suspecta (Kulczyński, 1882)

Prosoma, dorsal view (Wunderlich 1972a)	Epigyne (Wunderlich 1972a)	Vulva (Wunderlich 1972a)

35. Walckenaeria tenuitibialis Bosmans, 1993

Pedipalp, retrolateral view (Bosmans & De Smet 1993)	Embolic division, antero-prolateral view (Bosmans & De Smet 1993)	Palpal tibia, antero-retrolateral view (Bosmans & De Smet 1993)
Palpal tibia, dorsal view (Bosmans & De Smet 1993)	Prosoma, frontal part, lateral view (Bosmans & De Smet 1993)	Epigyne, ventral view (Bosmans & De Smet 1993)
Vulva, dorsal view (Bosmans & De Smet 1993)

36. Walckenaeria torta Bosmans, 1993

Pedipalp, retrolateral view (Bosmans & De Smet 1993)	Pedipalp, dorsal view (Bosmans & De Smet 1993)	Embolic division, antero-prolateral view (Bosmans & De Smet 1993)
Palpal tibia, antero-retrolateral view (Bosmans & De Smet 1993)	Prosoma, frontal part, lateral view (Bosmans & De Smet 1993)	Epigyne, ventral view (Bosmans & De Smet 1993)
Vulva, dorsal view (Bosmans & De Smet 1993)

37. Walckenaeria turbulenta Bosmans, 1993

Embolic division, antero-prolateral view (Bosmans & De Smet 1993)	Palpal tibia and paracymbium, retrolateral view (Bosmans & De Smet 1993)	Palpal tibia, dorsal view (Bosmans & De Smet 1993)
Prosoma, frontal part, lateral view (Bosmans & De Smet 1993)

38. Walckenaeria vilbasteae Wunderlich, 1980

Pedipalp (Wunderlich 1980i)	Tibial apophysis (Wunderlich 1980i)	Prosoma, lateral view (Wunderlich 1980i)
Prosoma, frontal view (Wunderlich 1980i)	Prosoma, dorsal view (Wunderlich 1980i)

39. Walckenaeria westringi Strand, 1903

-- Caption missing --
(WSC 2025)

40. Walckenaeria wunderlichi Tanasevitch, 1983

Pedipalp, retrolateral view (Tanasevitch 1989)	Pedipalp, retrolateral view (Tanasevitch 1983b)	Embolic division (Tanasevitch 1983b)
Embolic division (Tanasevitch 1983b)	Suprategulum (Tanasevitch 1983b)	Palpal tibia, dorsal view (Tanasevitch 1983b)
Prosoma, dorsal view (Tanasevitch 1983b)	Prosoma, lateral view (Tanasevitch 1983b)	Epigyne (Tanasevitch 1989)
Epigyne (Tanasevitch 1983b)	Vulva (Tanasevitch 1983b)