Theridiidae: Theridion Walckenaer, 1805
In case you find an error or have a specific suggestion, please follow this link: click
1
 Median longitudinal band on opisthosoma with large, uniform spikes, almost white, grey or red

  2  
- Median longitudinal band on opisthosoma different

  4  
2
(1)

world

add

cp

 Median longitudinal band of opisthosoma almost white, with brown or black margin; male pedipalp with bipartite conductor; epigyne difficult to recognise

Simitidion simile (C. L. Koch, 1836)
speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

male Pedipalp, ventral view
(Locket & Millidge 1953)

 speciesimage

male Pedipalp
(Roberts 1995)
speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Locket & Millidge 1953)

 speciesimage

female Vulva
(Wiehle 1937)
speciesimage

Habitus
(Wiehle 1937)
- Prosoma red with white margin

  3  
3
(2)

world

add

cp

 Opisthosoma and male pedipalp as figs.; epigyne ± rectangular; prosoma yellowish with brown margin and median stripe; opisthosoma next to dorsal longitudinal band with fine white and brown points, ventrally spotted with white, with dark spot anterior to spinnerets

Theridion pictum (Walckenaer, 1802)
speciesimage

male Pedipalp, ventral view
(Knoflach 1998)

 speciesimage

male Pedipalp, ventral view
(Wiehle 1937)

 speciesimage

male Pedipalp, ventral view
(Locket & Millidge 1953)
speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Roberts 1995)
speciesimage

female Epigyne
(Wiehle 1937)

 speciesimage

female Epigyne
(Locket & Millidge 1953)

 speciesimage

female Vulva
(Bosmans et al. 1994)
speciesimage

female Vulva
(Wiehle 1937)

 speciesimage

female Vulva
(Knoflach 1998)

 speciesimage

Habitus
(Wiehle 1937)
speciesimage

Habitus
(Locket & Millidge 1953)
-

world

add

cp

 Pedipalp with conspicuous median apophysis and terminal hook on conductor; epigyne with very small central opening; prosoma light yellow with dark median stripe; opisthosoma with whitish pattern, margined with grey

Theridion hemerobium Simon, 1914
speciesimage

male Pedipalp
(Bosmans et al. 1994)

 speciesimage

male Pedipalp, ventral view
(Bosmans et al. 1994)

 speciesimage

male Pedipalp
(Bosmans et al. 1994)
speciesimage

female Epigyne
(Bosmans et al. 1994)

 speciesimage

female Vulva
(Bosmans et al. 1994)
4
(1)		 Opisthosoma on both sides of light median band with a row of large, rectangular, dark spots as fig.

  5  
- Opisthosoma dorsally different; spots irregularly arranged

  6  
5
(4)

world

add

cp

 Conductor large, shovel-shaped; epigynal groove wider than long; prosoma reddish yellow with broad brown-black margin and median stripe; opisthosoma yellowish, dorsally with dark brown pattern consisting of spots

Phylloneta impressa (L. Koch, 1881)
speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

male Pedipalp, ventral view
(Roberts 1995)

 speciesimage

male Pedipalp
(Azheganova 1968)
speciesimage

male Pedipalp
(Locket & Millidge 1953)

 speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Wiehle 1937)
speciesimage

female Epigyne
(Locket & Millidge 1953)

 speciesimage

female Vulva, ventral view
(Wiehle 1937)

 speciesimage

Habitus
(Wiehle 1937)
-

world

add

cp

 Conductor short, distally truncated; epigynal groove approx. as long as wide

Phylloneta sisyphia (Clerck, 1757)
speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

male Pedipalp, ventral view
(Roberts 1995)

 speciesimage

male Pedipalp, ventral view
(Locket & Millidge 1953)
speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Wiehle 1937)

 speciesimage

female Epigyne
(Locket & Millidge 1953)
speciesimage

female Vulva
(Wiehle 1937)

 speciesimage

Habitus
(Locket & Millidge 1953)
6
(4)		 Opisthosoma dorsally in anterior third with dark pattern, numerous light spots on dark background or completely white, never a continuous median band

  7  
- Opisthosoma dorsally with continuous light median band as fig.

  10  
7
(6)

world

add

cp

 Dark spot on anterior third of opisthosoma longer than wide or opisthosoma completely white; male pedipalp with long, bent tibia; epigyne very small, black, bipartite

Heterotheridion nigrovariegatum (Simon, 1873)
speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

male Pedipalp
(Jäger et al. 2000)
speciesimage

male Pedipalp
(Pesarini unpubl.)

 speciesimage

male Tip of embolus
(Jäger et al. 2000)

 speciesimage

female Epigyne
(Wiehle 1937)
speciesimage

female Epigyne
(Pesarini unpubl.)

 speciesimage

female Vulva
(Wiehle 1937)

 speciesimage

female Vulva
(Jäger et al. 2000)
speciesimage

Habitus
(Wiehle 1937)

 speciesimage

Habitus
(Wiehle 1937)
- Dark spot in anterior third of opisthosoma wider than long or bipartite or with irregular pattern; male pedipalp and epigyne different

  8  
8
(7)

world

add

cp

 Opisthosoma with irregular pattern consisting of light spots, posteriorly with tubercle, ventrally black with 3 white spots; male pedipalp, epigyne and vulva as figs.; prosoma brown, dark margined

Achaeridion conigerum (Simon, 1914)
speciesimage

male Pedipalp
(Heimer 1980)

 speciesimage

male Pedipalp
(Knoflach 1993a)

 speciesimage

male Pedipalp
(Knoflach 1993a)
speciesimage

male Pedipalp, expanded, ventral view
(Heimer 1980)

 speciesimage

male Habitus, lateral view
(Knoflach 1993a)

 speciesimage

female Epigyne
(Knoflach 1993a)
speciesimage

female Vulva
(Knoflach 1993a)

 speciesimage

Habitus
(Heimer 1980)

 speciesimage

Habitus
(Knoflach 1993a)
speciesimage

Habitus, lateral view
(Kupryjanowicz 1997a)
- Different

  9  
9
(8)

world

add

cp

 Dark spot in anterior third large (sometimes extended over whole dorsal side) and with convex anterior margin; embolus very long, forming a large loop; epigynal groove longer than wide; prosoma yellow, head region and margin darkened

Sardinidion blackwalli (O. Pickard-Cambridge, 1871)
speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

male Pedipalp, ventral view
(Roberts 1995)

 speciesimage

male Pedipalp, ventral view
(Locket & Millidge 1953)
speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Wiehle 1937)

 speciesimage

female Epigyne
(Locket & Millidge 1953)
speciesimage

female Vulva
(Wiehle 1937)

 speciesimage

Habitus
(Wiehle 1937)

 speciesimage

Habitus
(Locket & Millidge 1953)
-

world

add

cp

 Dark spot in anterior third of opisthosoma often bipartite and with concave anterior margin; male pedipalp, epigyne and vulva as fig.; prosoma whitish yellow with fine black margin and broad, black median stripe; opisthosoma whitish yellow with fine grey or brown spots and variable pattern

Platnickina tincta (Walckenaer, 1802)
speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

male Pedipalp
(Roberts 1995)

 speciesimage

male Pedipalp
(Locket & Millidge 1953)
speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Wiehle 1937)

 speciesimage

female Epigyne
(Locket & Millidge 1953)
speciesimage

female Vulva
(Wiehle 1937)

 speciesimage

Habitus
(Wiehle 1937)

 speciesimage

Habitus
(Locket & Millidge 1953)
10
(6)

world

add

cp

 Light median band of opisthosoma widest in the middle, bordered by irregular black spots; male pedipalp, epigyne and vulva as fig.

Theridion familiare O. Pickard-Cambridge, 1871
speciesimage

male Pedipalp, ventral view
(Roberts 1995)

 speciesimage

male Pedipalp, ventral view
(Wiehle 1937)

 speciesimage

male Pedipalp, ventral view
(Locket & Millidge 1953)
speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Locket & Millidge 1953)

 speciesimage

female Vulva
(Heimer & Nentwig 1991)
speciesimage

female Vulva
(Wiehle 1937)

 speciesimage

female Vulva
(Hansen 1992)

 speciesimage

Habitus
(Wiehle 1937)
- Light median band of opisthosoma ± of the same width along its whole length with ± regularly bulged margin

  11  
11
(10)		 Conductor as wide as long, distally simple; epigynal groove as wide as long, approx. circular

  12  
- Conductor distally with complex processes; epigyne different, not circular

  15  
12
(11)

world

add

cp

 Bulbus with large, projecting, bipartite apophysis; epigynal groove posteriorly dark margined, anteriorly with small bulge; opisthosoma with light, laterally bulged median band, dark margined

Theridion varians Hahn, 1833
speciesimage

male Pedipalp
(Azheganova 1968)

 speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

male Pedipalp, ventral view
(Knoflach 1998)
speciesimage

male Pedipalp, ventral view
(Locket & Millidge 1953)

 speciesimage

male Pedipalp
(Roberts 1995)

 speciesimage

male Opisthosoma, lateral view
(Locket & Millidge 1953)
speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Wiehle 1937)
speciesimage

female Epigyne
(Locket & Millidge 1953)

 speciesimage

female Vulva
(Wiehle 1937)

 speciesimage

female Vulva
(Knoflach 1998)
speciesimage

Prosoma, lateral view
(Knoflach 1998)

 speciesimage

Prosoma, frontal view
(Knoflach 1998)

 speciesimage

Prosoma, dorsal view
(Knoflach 1998)
speciesimage

Sternum
(Knoflach 1998)

 speciesimage

Habitus
(Wiehle 1937)

 speciesimage

Habitus
(Jäger & Ono 2000)
speciesimage

Habitus
(Jäger 1995a)

 speciesimage

Habitus
(Jäger 1995a)
- Bulbus and epigyne different

  13  
13
(12)

world

add

cp

Conductor narrow; epigynal groove shallow; copulatory opening distinctly visible; opisthosoma dorsally with longitudinal band as fig. (see also T. asopi)

Theridion betteni Wiehle, 1960
speciesimage

male Pedipalp
(Heimer & Nentwig 1991)

 speciesimage

male Pedipalp, ventral view
(Vanuytven 2014)

 speciesimage

female Epigyne
(Heimer & Nentwig 1991)
speciesimage

female Epigyne
(Roberts 1998)

 speciesimage

female Epigyne, ventral view
(Vanuytven 2014)

 speciesimage

female Vulva
(Thaler 1966)
speciesimage

female Vulva, ventral view
(Vanuytven 2014)

 speciesimage

Habitus
(Heimer & Nentwig 1991)
- Conductor broader; copulatory opening covered

  14  
14
(13)

world

add

cp

 Conductor ± circular; epigynal groove posteriorly bulged; entrance ducts forming a double loop

Theridion melanurum Hahn, 1831
speciesimage

male Pedipalp, ventral view
(Roberts 1995)

 speciesimage

male Pedipalp, ventral view
(Wiehle 1937)

 speciesimage

male Pedipalp, ventral view
(Locket et al. 1974)
speciesimage

male Pedipalp, ventral view
(Vanuytven 2014)

 speciesimage

male Embolus and conductor
(Locket et al. 1974)

 speciesimage

female Epigyne
(Aakra 2000a)
speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne, ventral view
(Vanuytven 2014)

 speciesimage

female Vulva
(Aakra 2000a)
speciesimage

female Vulva
(Thaler 1966)

 speciesimage

female Vulva
(Wiehle 1937)

 speciesimage

female Vulva
(Locket et al. 1974)
speciesimage

female Vulva, ventral view
(Vanuytven 2014)
-

world

add

cp

 Conductor laterally with small, projecting tip; epigynal groove not bulged posteriorly; entrance ducts in numerous narrow loops

Theridion mystaceum L. Koch, 1870
speciesimage

male Pedipalp, ventral view
(Vanuytven 2014)

 speciesimage

male Pedipalp, ventral view
(Roberts 1995)

 speciesimage

male Pedipalp, ventral view
(Locket & Millidge 1953)
speciesimage

male Pedipalp, ventral view
(Locket et al. 1974)

 speciesimage

male Embolus and conductor
(Locket et al. 1974)

 speciesimage

female Epigyne, ventral view
(Vanuytven 2014)
speciesimage

female Epigyne
(Aakra 2000a)

 speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Epigyne
(Locket & Millidge 1953)
speciesimage

female Vulva, ventral view
(Vanuytven 2014)

 speciesimage

female Vulva
(Aakra 2000a)

 speciesimage

female Vulva
(Heimer & Nentwig 1991)
speciesimage

female Vulva
(Locket et al. 1974)

 speciesimage

Habitus
(Locket & Millidge 1953)
15
(11)

world

add

cp

 Body length approx. 2 mm; conductor distally with 2 long tips; epigynal groove distinctly bulged anteriorly; entrance ducts long and complexly bent

Theridion boesenbergi Strand, 1904
speciesimage

male Pedipalp, ventral view
(Wiehle 1937)

 speciesimage

female Epigyne
(Wiehle 1937)

 speciesimage

female Vulva
(Thaler 1966)
speciesimage

Habitus
(Wiehle 1937)
- Body length greater than or equal 2.5 mm; conductor and epigyne different

  16  
16
(15)

world

add

cp

 Conductor with a single tip; epigynal groove concave posteriorly

Theridion pinastri L. Koch, 1872
speciesimage

male Pedipalp
(Knoflach 1998)

 speciesimage

male Pedipalp
(Aakra 2000a)

 speciesimage

male Pedipalp
(Roberts 1995)
speciesimage

male Pedipalp
(Roberts 1995)

 speciesimage

male Pedipalp
(Wiehle 1937)

 speciesimage

female Epigyne
(Roberts 1995)
speciesimage

female Epigyne
(Roberts 1995)

 speciesimage

female Vulva
(Wiehle 1937)

 speciesimage

female Vulva
(Knoflach 1998)
speciesimage

Habitus
(Wiehle 1937)
-

world

add

cp

 Tip of conductor bipartite; posterior margin of epigynal groove straight or slightly convex; entrance ducts with double loop

Theridion petraeum L. Koch, 1872
speciesimage

male Pedipalp, ventral view
(Knoflach 1998)

 speciesimage

female Vulva
(Knoflach 1998)

 speciesimage

female Vulva
(Bosmans et al. 1994)
speciesimage

Habitus
(Wiehle 1937)

Further taxa

world

add

cp

1. Theridion adrianopoli Drensky, 1915
speciesimage

male Pedipalp
(Brignoli 1984b)

 speciesimage

male Pedipalp
(Brignoli 1984b)

 speciesimage

male Pedipalp, ventral view
(Wunderlich 1995n)
speciesimage

male Pedipalp, prolateral view
(Wunderlich 1995n)

 speciesimage

male Pedipalp, ventral view
(Bosmans & Gavalas 2023)

 speciesimage

female Epigyne, ventral view
(Wunderlich 1995n)
speciesimage

female Epigyne, lateral view
(Wunderlich 1995n)

 speciesimage

female Epigyne, aboral view
(Wunderlich 1995n)

 speciesimage

female Epigyne
(Lecigne 2021a)
speciesimage

female Epigyne
(Bosmans & Gavalas 2023)

 speciesimage

female Vulva, ventral view
(Brignoli 1984b)

 speciesimage

female Vulva
(Deltshev 1992a)
speciesimage

female Vulva
(Deltshev 1992a)

 speciesimage

female Vulva
(Deltshev 1992a)

 speciesimage

female Vulva, dorsal view
(Wunderlich 1995n)

world

add

cp

2. Theridion albipes L. Koch, 1878
speciesimage

female Habitus, dorsal view
(Mcheidze 1997)

world

add

cp

3. Theridion asopi Vanuytven, 2014
speciesimage

male Pedipalp, ventral view
(Roberts 1998)

 speciesimage

male Pedipalp
(Roberts 1998)

 speciesimage

male Pedipalp, lateral view
(Vanuytven 2014)
speciesimage

male Pedipalp, ventral view
(Vanuytven 2014)

 speciesimage

female Epigyne, ventral view
(Roberts 1998)

 speciesimage

female Epigyne, ventral view
(Vanuytven 2014)
speciesimage

female Vulva, ventral view
(Vanuytven 2014)

world

add

cp

4. Theridion bernardi Lecigne, 2017
speciesimage

male Pedipalp, prolateral view
(Lecigne 2017)

 speciesimage

male Pedipalp, retrolateral view
(Lecigne 2017)

 speciesimage

male Pedipalp, ventral view
(Lecigne 2017)
speciesimage

female Epigyne
(Lecigne 2017)

 speciesimage

female Vulva
(Lecigne 2017)

world

add

cp

5. Theridion bomae Schmidt, 1957
speciesimage

female Epigyne, lateral view
(Schmidt 1957)

 speciesimage

female Vulva, dorsal view
(Schmidt 1957)

 speciesimage

female Vulva, ventral view
(Schmidt 1957)

world

add

cp

6. Theridion bosniense Wunderlich, 2011
speciesimage

male Pedipalp, ventral view
(Wunderlich 2011a)

 speciesimage

male Pedipalp, retrolateral view
(Wunderlich 2011a)

 speciesimage

male Embolus and conductor, prolateral-ventral view
(Wunderlich 2011a)

world

add

cp

7. Theridion cairoense Wunderlich, 2011
speciesimage

male Pedipalp, retrolateral view
(Wunderlich 2011c)

 speciesimage

male Pedipalp, ventral view
(Wunderlich 2011c)

 speciesimage

male Median apophysis, prolateral view
(Wunderlich 2011c)
speciesimage

male Opisthosoma, ventral view
(Wunderlich 2011c)

 speciesimage

female Epigyne
(Wunderlich 2011c)

 speciesimage

female Vulva, dorsal view
(Wunderlich 2011c)

world

add

cp

8. Theridion carpathium Brignoli, 1984
speciesimage

female Vulva, ventral view
(Brignoli 1984b)

world

add

cp

9. Theridion cinereum Thorell, 1875
speciesimage

male Pedipalp, ventral view
(Knoflach 1998)

 speciesimage

male Pedipalp
(Thaler 1966)

 speciesimage

male Pedipalp, ventral view
(Zamani et al. 2021)
speciesimage

male Pedipalp, ventral view
(Seropian et al. 2024a)

 speciesimage

female Vulva
(Knoflach 1998)

 speciesimage

female Vulva
(Thaler 1966)
speciesimage

female Vulva, ventral view
(Brignoli 1984b)

 speciesimage

female Vulva, dorsal view
(Seropian et al. 2024a)

world

add

cp

10. Theridion corcyraeum Brignoli, 1984
speciesimage

female Vulva, ventral view
(Brignoli 1984b)

world

add

cp

11. Theridion cyprusense Wunderlich, 2011
speciesimage

male Pedipalp, ventro-lateral view
(Wunderlich 2011c)

 speciesimage

male Pedipalp, prolateral view
(Wunderlich 2011c)

 speciesimage

male Pedipalp, ventral view
(Zamani et al. 2022b)
speciesimage

male Bulbus, ventro-prolateral view
(Wunderlich 2011c)

world

add

cp

12. Theridion furfuraceum Simon, 1914
speciesimage

male Pedipalp, ventral view
(Wunderlich 1995n)

 speciesimage

male Pedipalp, prolateral view
(Wunderlich 1995n)

 speciesimage

female Epigyne, ventral view
(Lecigne unpubl.)
speciesimage

female Vulva, ventral view
(Lecigne unpubl.)

 speciesimage

female Vulva, dorsal view
(Lecigne unpubl.)

world

add

cp

13. Theridion genistae Simon, 1873
speciesimage

male Pedipalp, retrolateral view
(Knoflach et al. 2009b)

 speciesimage

male Pedipalp, ventral view
(Knoflach et al. 2009b)

 speciesimage

male Pedipalp, prolateral view
(Knoflach et al. 2009b)
speciesimage

male Pedipalp
(Brignoli 1967c)

 speciesimage

male Bulbus, ventral view
(Wunderlich 2021)

 speciesimage

male Prosoma, lateral view
(Wunderlich 2021)
speciesimage

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)

 speciesimage

female Epigyne
(Brignoli 1967c)

 speciesimage

female Vulva, dorsal view
(Knoflach et al. 2009b)
speciesimage

female Vulva
(Brignoli 1967c)

world

add

cp

14. Theridion glaucinum Simon, 1881
speciesimage

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)

 speciesimage

female Epigyne
(Naumova 2020)

 speciesimage

female Epigyne
(Méndez et al. 2024)
speciesimage

female Vulva, dorsal view
(Knoflach et al. 2009b)

 speciesimage

female Vulva, dorsal view
(Méndez et al. 2024)

world

add

cp

15. Theridion hannoniae Denis, 1945
speciesimage

male Pedipalp, ventral view
(Bosmans et al. 1994)

 speciesimage

male Pedipalp, ventral view
(Thaler & Noflatscher 1990)

 speciesimage

male Pedipalp
(Bosmans et al. 1994)
speciesimage

male Pedipalp
(Roberts 1998)

 speciesimage

male Pedipalp, ventral view
(Knoflach et al. 2009b)

 speciesimage

male Pedipalp, prolateral view
(Knoflach et al. 2009b)
speciesimage

male Pedipalp, retrolateral-ventral view
(Knoflach et al. 2009b)

 speciesimage

male Pedipalp, prolateral view
(Breitling 2020)

 speciesimage

female Epigyne
(Roberts 1998)
speciesimage

female Epigyne
(Roberts 1998)

 speciesimage

female Epigyne
(Bosmans et al. 1994)

 speciesimage

female Epigyne
(Kloid 1994)
speciesimage

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)

 speciesimage

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)

 speciesimage

female Epigyne
(Crespo et al. 2009b)
speciesimage

female Vulva, ventral view
(Kloid 1994)

 speciesimage

female Vulva
(Bosmans et al. 1994)

 speciesimage

female Vulva
(Bosmans et al. 1994)
speciesimage

female Vulva, dorsal view
(Knoflach et al. 2009b)

 speciesimage

female Vulva, dorsal view
(Abdel-Ghani et al. 2023)

 speciesimage

female Opisthosoma, lateral/ventral view
(Kloid 1994)
speciesimage

female Habitus, dorsal view
(Kloid 1994)

world

add

cp

16. Theridion harmsi Wunderlich, 2011
speciesimage

male Pedipalp, ventral view
(Wunderlich 2011a)

 speciesimage

male Pedipalp, retrolateral view
(Wunderlich 2011a)

 speciesimage

male Pedipalp, prolateral view
(Lecigne 2018b)
speciesimage

male Pedipalp, ventral view
(Lecigne 2018b)

 speciesimage

male Pedipalp, ventral view
(Lecigne 2018b)

 speciesimage

male Pedipalp, ventro-retrolateral view
(Lecigne 2018b)
speciesimage

male Pedipalp, retrolateral view
(Domènech et al. 2020)

 speciesimage

male Pedipalp, ventral view
(Domènech et al. 2020)

 speciesimage

male Pedipalp, ventral view
(Iorio 2023)
speciesimage

male Embolus and conductor, prolateral-ventral view
(Wunderlich 2011a)

 speciesimage

male Embolus, prolateral-ventral view
(Wunderlich 2011a)

 speciesimage

male Habitus, dorsal view
(Domènech et al. 2020)
speciesimage

female Vulva, dorsal view
(Wunderlich 2011a)

 speciesimage

female Vulva, dorsal view
(Domènech et al. 2020)

 speciesimage

female Vulva, ventral view
(Domènech et al. 2020)
speciesimage

female Habitus, dorsal view
(Domènech et al. 2020)

 speciesimage

-- Caption missing --
(Domènech et al. 2020)

world

add

cp

17. Theridion helena Wunderlich, 2011
speciesimage

male Pedipalp, ventral view
(Bosmans & Gavalas 2023)

 speciesimage

male Bulbus, retrolateral view
(Lecigne 2021a)

 speciesimage

male Embolic tooth, ventro-prolateral view
(Wunderlich 2011a)
speciesimage

female Epigyne, ventral view
(Wunderlich 2011a)

 speciesimage

female Epigyne
(Lecigne 2023)

 speciesimage

female Epigyne
(Bosmans & Gavalas 2023)
speciesimage

female Vulva, dorsal view
(Wunderlich 2011a)

 speciesimage

female Vulva, dorsal view
(Lecigne 2021a)

 speciesimage

female Vulva, dorsal view
(Lecigne 2023)

world

add

cp

18. Theridion hermonense Levy, 1991
speciesimage

female Epigyne
(Levy 1991)

 speciesimage

female Vulva
(Levy 1991)

world

add

cp

19. Theridion histrionicum Thorell, 1875
speciesimage

-- Caption missing --
(WSC 2024)

world

add

cp

20. Theridion incanescens Simon, 1890
speciesimage

male Pedipalp, retrolateral view
(Thaler-Knoflach & El-Hennawy 2012)

 speciesimage

male Pedipalp, ventral view
(Thaler-Knoflach & El-Hennawy 2012)

 speciesimage

male Pedipalp, prolateral view
(Abdel-Ghani et al. 2023)
speciesimage

male Pedipalp, retrolateral view
(Abdel-Ghani et al. 2023)

 speciesimage

female Vulva, dorsal view
(Thaler-Knoflach & El-Hennawy 2012)

 speciesimage

female Vulva, ventral view
(Thaler-Knoflach & El-Hennawy 2012)
speciesimage

female Vulva, dorsal view
(Abdel-Ghani et al. 2023)

world

add

cp

21. Theridion innocuum Thorell, 1875
speciesimage

male Pedipalp
(Azheganova 1968)

 speciesimage

male Pedipalp, prolateral view
(Zamani et al. 2021)

 speciesimage

male Pedipalp, retrolateral view
(Zamani et al. 2021)
speciesimage

male Pedipalp, ventral view
(Zamani et al. 2021)

 speciesimage

female Epigyne/vulva
(Azheganova 1968)

 speciesimage

female Epigyne
(Zamani et al. 2021)
speciesimage

female Vulva, dorsal view
(Zamani et al. 2021)

 speciesimage

female Vulva, dorsal view
(Zamani et al. 2021)

 speciesimage

female Vulva, ventral view
(Zamani et al. 2021)
speciesimage

female Vulva, dorsal view
(Zhong et al. 2022)

 speciesimage

female Vulva, ventral view
(Zhong et al. 2022)

world

add

cp

22. Theridion italiense Wunderlich, 1995
speciesimage

male Pedipalp, ventral view
(Wunderlich 1995n)

 speciesimage

male Pedipalp, prolateral view
(Wunderlich 1995n)

 speciesimage

male Pedipalp, ventral view
(Duma 2009)
speciesimage

male Median apophysis
(Duma 2009)

 speciesimage

male Chelicera, lateral view
(Duma 2009)

 speciesimage

female Epigyne, ventral view
(Duma 2009)
speciesimage

female Vulva, ventral view
(Duma 2009)

 speciesimage

female Vulva, dorsal view
(Duma 2009)

 speciesimage

female Chelicerae, frontal view
(Duma 2009)
speciesimage

female Habitus, dorsal view
(Duma 2009)

world

add

cp

23. Theridion jordanense Levy & Amitai, 1982
speciesimage

male Pedipalp, ventral view
(Thaler-Knoflach & El-Hennawy 2012)

 speciesimage

male Pedipalp, ventral view
(Thaler-Knoflach & El-Hennawy 2012)

 speciesimage

female Epigyne
(Levy & Amitai 1982a)
speciesimage

female Epigyne, aboral view
(Thaler-Knoflach & El-Hennawy 2012)

 speciesimage

female Vulva, dorsal view
(Levy & Amitai 1982a)

 speciesimage

female Vulva, ventral view
(Thaler-Knoflach & El-Hennawy 2012)
speciesimage

female Vulva, dorsal view
(Abdel-Ghani et al. 2023)

world

add

cp

24. Theridion laevigatum Blackwall, 1870
speciesimage

-- Caption missing --
(WSC 2024)

world

add

cp

25. Theridion lapidicola Kulczyński, 1887
speciesimage

female Epigyne, ventral view
(Kulczyński 1887)

world

add

cp

26. Theridion malagaense Wunderlich, 2011
speciesimage

male Pedipalp, ventral view
(Wunderlich 2011a)

 speciesimage

male Pedipalp, retrolateral view
(Wunderlich 2011a)

 speciesimage

male Pedipalp, retrolateral view
(Caria & Pantini 2023)
speciesimage

male Embolus and conductor, prolateral-ventral view
(Wunderlich 2011a)

 speciesimage

male Cephalic area, dorsal view
(Wunderlich 2011a)

 speciesimage

male Femur I, ventral view
(Wunderlich 2011a)
speciesimage

male Habitus, dorsal view
(Caria & Pantini 2023)

 speciesimage

female Vulva, dorsal view
(Caria & Pantini 2023)

 speciesimage

female Habitus, dorsal view
(Caria & Pantini 2023)

world

add

cp

27. Theridion melanostictum O. Pickard-Cambridge, 1876
speciesimage

male Pedipalp
(Knoflach 1998)

 speciesimage

male Pedipalp, prolateral view
(Levy & Amitai 1982a)

 speciesimage

male Pedipalp, ventral view
(Levy & Amitai 1982a)
speciesimage

male Pedipalp, retrolateral view
(Levy & Amitai 1982a)

 speciesimage

male Pedipalp, ventral view
(Ono 2011)

 speciesimage

male Pedipalp, prolateral view
(Ono 2011)
speciesimage

male Pedipalp, retrolateral view
(Rozwałka et al. 2017b)

 speciesimage

male Pedipalp, ventral view
(Zamani et al. 2022b)

 speciesimage

male Habitus, dorsal view
(Ono 2011)
speciesimage

male Habitus, dorsal view
(Rozwałka et al. 2017b)

 speciesimage

female Epigyne
(Levy & Amitai 1982a)

 speciesimage

female Epigyne, ventral view
(Ono 2011)
speciesimage

female Epigyne, variation
(Levy & Amitai 1982a)

 speciesimage

female Vulva
(Knoflach 1998)

 speciesimage

female Vulva, dorsal view
(Levy & Amitai 1982a)
speciesimage

female Vulva, dorsal view
(Abdel-Ghani et al. 2023)

 speciesimage

female Vulva, dorsal view
(Sherwood et al. 2024b)

 speciesimage

female Vulva, dorsal view
(Sherwood et al. 2024b)
speciesimage

female Habitus, dorsal view
(Ono 2011)

world

add

cp

28. Theridion modonatum Wunderlich, 2023
speciesimage

male Pedipalp, retrolateral view
(Wunderlich 2023)

 speciesimage

male Pedipalp, ventral view
(Wunderlich 2023)

 speciesimage

female Epigyne, lateral view
(Wunderlich 2023)
speciesimage

female Epigyne
(Wunderlich 2023)

 speciesimage

female Vulva, dorsal view
(Wunderlich 2023)

world

add

cp

29. Theridion murarium Emerton, 1882
speciesimage

male Pedipalp, expanded, ventral view
(Levi 1957a)

 speciesimage

male Pedipalp, prolateral view
(Levi 1957a)

 speciesimage

male Pedipalp, ventral view
(Levi 1957a)
speciesimage

male Pedipalp, ventral view
(Paquin & Dupérré 2003)

 speciesimage

female Epigyne
(Levi 1957a)

 speciesimage

female Epigyne
(Paquin & Dupérré 2003)
speciesimage

female Vulva, dorsal view
(Levi 1957a)

 speciesimage

female Opisthosoma, dorsal view
(Paquin & Dupérré 2003)

world

add

cp

30. Theridion musivivum Schmidt, 1956
speciesimage

male Pedipalp, ventral view
(Schmidt & Krause 1995)

 speciesimage

male Pedipalp, retrodorsal view
(Wunderlich 2011c)

 speciesimage

male Pedipalp, ventral view
(Wunderlich 2011c)
speciesimage

male Embolus, prolateral view
(Wunderlich 2011c)

 speciesimage

male Embolus, prolateral view
(Wunderlich 2011c)

 speciesimage

male Median apophysis, prolateral view
(Wunderlich 2011c)
speciesimage

male Chelicera
(Schmidt & Krause 1995)

 speciesimage

male Chelicerae, frontal view
(Wunderlich 2011c)

 speciesimage

female Epigynal plate, aboral view
(Wunderlich 2011c)
speciesimage

female Epigyne, aboral view
(Wunderlich 2011c)

 speciesimage

female Epigyne, lateral view
(Wunderlich 2011c)

 speciesimage

female Epigyne, ventral view
(Wunderlich 2011c)
speciesimage

female Epigyne, ventral view
(Wunderlich 2011c)

 speciesimage

female Vulva
(Schmidt 1956d)

 speciesimage

female Vulva, dorsal view
(Schmidt & Krause 1995)
speciesimage

female Vulva, dorsal view
(Wunderlich 2011c)

world

add

cp

31. Theridion mysteriosum Schmidt, 1971
speciesimage

female Vulva
(Schmidt 1971)

world

add

cp

32. Theridion nasutum Wunderlich, 1995
speciesimage

male Pedipalp, ventral view
(Wunderlich 1995a)

 speciesimage

male Pedipalp, retrolateral view
(Wunderlich 1995a)

 speciesimage

male Embolus and conductor
(Wunderlich 1995a)
speciesimage

male Prosoma, lateral view
(Wunderlich 1995a)

 speciesimage

male Ocular area
(Wunderlich 1995a)

 speciesimage

female Epigyne
(Wunderlich 1995a)
speciesimage

female Vulva, dorsal view
(Wunderlich 1995a)

world

add

cp

33. Theridion negebense Levy & Amitai, 1982
speciesimage

male Pedipalp, prolateral view
(Levy 1998b)

 speciesimage

male Pedipalp, ventral view
(Levy 1998b)

 speciesimage

male Pedipalp, retrolateral view
(Levy 1998b)
speciesimage

female Epigyne, ventral view
(Levy 1998b)

 speciesimage

female Vulva, dorsal view
(Levy 1998b)

 speciesimage

female Vulva, variation, dorsal view
(Levy 1998b)
speciesimage

female Vulva, variation, dorsal view
(Levy 1998b)

 speciesimage

female Opisthosoma, dorsal view
(Levy 1998b)

world

add

cp

34. Theridion ochreolum Levy & Amitai, 1982
speciesimage

male Pedipalp, prolateral view
(Levy 1998b)

 speciesimage

male Pedipalp, retrolateral view
(Levy 1998b)

 speciesimage

male Pedipalp, ventral view
(Levy 1998b)
speciesimage

female Epigyne
(Levy 1998b)

 speciesimage

female Vulva
(Levy 1998b)

world

add

cp

35. Theridion pallasi Ponomarev, 2007
speciesimage

female Epigyne
(Ponomarev 2007b)

 speciesimage

female Vulva
(Ponomarev 2007b)

world

add

cp

36. Theridion parvulum Blackwall, 1870
speciesimage

male Eyes, frontal view
(Blackwall 1870a)

 speciesimage

male Habitus, dorsal view
(Blackwall 1870a)

world

add

cp

37. Theridion patrizii Caporiacco, 1933
speciesimage

female Epigyne
(Caporiacco 1933)

 speciesimage

female Opisthosoma, lateral view
(Caporiacco 1933)

world

add

cp

38. Theridion pinicola Simon, 1873
speciesimage

male Pedipalp, retrolateral view
(Knoflach et al. 2009b)

 speciesimage

male Pedipalp, ventral view
(Knoflach et al. 2009b)

 speciesimage

male Pedipalp, prolateral view
(Knoflach et al. 2009b)
speciesimage

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)

 speciesimage

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)

 speciesimage

female Vulva, dorsal view
(Knoflach et al. 2009b)
speciesimage

female Vulva, dorsal view
(Knoflach et al. 2009b)

world

add

cp

39. Theridion prominens Blackwall, 1870
speciesimage

-- Caption missing --
(WSC 2024)

world

add

cp

40. Theridion promiscuum Domènech & Crespo, 2020
speciesimage

male Pedipalp, retrolateral view
(Domènech et al. 2020)

 speciesimage

male Pedipalp, ventral view
(Domènech et al. 2020)

 speciesimage

male Embolus
(Domènech et al. 2020)
speciesimage

male Habitus, dorsal view
(Domènech et al. 2020)

 speciesimage

female Vulva, dorsal view
(Domènech et al. 2020)

 speciesimage

female Vulva, ventral view
(Domènech et al. 2020)
speciesimage

female Habitus, dorsal view
(Domènech et al. 2020)

world

add

cp

41. Theridion purcelli O. Pickard-Cambridge, 1904
speciesimage

male Pedipalp, lateral view
(Benoit 1977a)

 speciesimage

male Pedipalp, ventral view
(Benoit 1977a)

 speciesimage

female Epigyne
(Benoit 1977a)
speciesimage

female Vulva, dorsal view
(Benoit 1977a)

 speciesimage

female Chelicera
(Benoit 1977a)

 speciesimage

female Opisthosoma, dorsal view
(Benoit 1977a)
speciesimage

female Habitus, dorsal view
(Dippenaar-Schoeman et al. 2021)

world

add

cp

42. Theridion pyrenaeum Denis, 1945
speciesimage

male Pedipalp, ventral view
(Knoflach et al. 2009b)

 speciesimage

male Pedipalp, prolateral view
(Knoflach et al. 2009b)

 speciesimage

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)
speciesimage

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)

 speciesimage

female Vulva, dorsal view
(Knoflach et al. 2009b)

world

add

cp

43. Theridion rubrum (Keyserling, 1886)
speciesimage

female Epigyne
(Levi 1963)

 speciesimage

female Vulva, dorsal view
(Levi 1963)

world

add

cp

44. Theridion semitinctum Simon, 1914
speciesimage

female Epigyne/vulva, ventral view
(Knoflach et al. 2009b)

 speciesimage

female Vulva, dorsal view
(Knoflach et al. 2009b)

world

add

cp

45. Theridion sibiricum Marusik, 1988
speciesimage

male Pedipalp, retrolateral view
(Marusik 1988a)

 speciesimage

male Pedipalp, prolateral view
(Marusik 1988a)

 speciesimage

male Pedipalp, ventral view
(Marusik 1988a)
speciesimage

female Epigyne, ventral view
(Marusik 1988a)

 speciesimage

female Vulva, dorsal view
(Marusik 1988a)

 speciesimage

female Opisthosoma, dorsal view
(Marusik 1988a)

world

add

cp

46. Theridion spinitarse O. Pickard-Cambridge, 1876
speciesimage

male Pedipalp, lateral view
(Soliman et al. 2018)

 speciesimage

male Habitus, dorsal view
(Soliman et al. 2018)

 speciesimage

female Epigyne
(Denis 1945b)
speciesimage

female Vulva, dorsal view
(Knoflach et al. 2009b)

 speciesimage

female Vulva, ventral view
(Knoflach et al. 2009b)

world

add

cp

47. Theridion swarczewskii Werjbitzky, 1902
speciesimage

female Epigyne
(Werjbitzky 1902)

world

add

cp

48. Theridion tenellum C. L. Koch, 1841
speciesimage

female Habitus
(C. L. Koch 1841)

world

add

cp

49. Theridion trifile Simon, 1907
speciesimage

female Epigyne, lateral view
(Tullgren 1910)

 speciesimage

female Epigyne, ventral view
(Tullgren 1910)

 speciesimage

Prosoma, dorsal view
(Deady & Allen 2024)

world

add

cp

50. Theridion uhligi Martin, 1974
speciesimage

male Pedipalp
(Jocqué 1977a)

 speciesimage

male Pedipalp
(Roberts 1998)

 speciesimage

male Pedipalp, prolateral view
(Grbić et al. 2021)
speciesimage

male Pedipalp, retrolateral view
(Grbić et al. 2021)

 speciesimage

male Pedipalp, ventral view
(Grbić et al. 2021)

 speciesimage

female Epigyne
(Roberts 1998)
speciesimage

female Epigyne
(Roberts 1998)

 speciesimage

female Epigyne
(Jocqué 1977a)

 speciesimage

female Epigyne, lateral view
(Jocqué 1977a)
speciesimage

female Epigyne
(Gajdoš et al. 2019)

 speciesimage

female Vulva
(Jocqué 1977a)

 speciesimage

female Vulva
(Gajdoš et al. 2019)
speciesimage

female Vulva, dorsal view
(Grbić et al. 2021)

 speciesimage

female Vulva, ventral view
(Grbić et al. 2021)

 speciesimage

Habitus
(Jocqué 1977a)

world

add

cp

51. Theridion varians cyrenaicum Caporiacco, 1933
speciesimage

-- Caption missing --
(WSC 2024)

world

add

cp

52. Theridion varians rusticum Simon, 1873
speciesimage

-- Caption missing --
(WSC 2024)

world

add

cp

53. Theridion wiehlei Schenkel, 1938
speciesimage

male Pedipalp, retrolateral view
(Denis 1945a)

 speciesimage

male Median apophysis, prolateral view
(Denis 1945a)

 speciesimage

female Epigyne
(Wiehle 1937)
speciesimage

female Epigyne
(Denis 1945a)

 speciesimage

female Epigyne
(Deltshev 1992a)

 speciesimage

female Vulva
(Wiehle 1937)
speciesimage

female Vulva, ventral view
(Breitling 2020)

 speciesimage

female Vulva, dorsal view
(Breitling 2020)