araneae - Oedothorax

Linyphiidae: Oedothorax Bertkau, 1883

In case you find an error or have a specific suggestion, please follow this link: click

Males

Females

Pedipalp tibia with 1-2 claw-shaped or hook-shaped apophyses

Pedipalp tibia with broadly rounded apophysis; prosoma with high, rounded hump, anterior to it a bipartite, densely bristled groove (gibbosus-form) or with broad cone-shaped hump (tuberosus-form)

Oedothorax gibbosus (Blackwall, 1841)

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

3
(2)

Prosoma with bristled hump; Tibia with 2 apophyses

Oedothorax apicatus (Blackwall, 1850)

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

Prosoma without bristled hump

4
(3)

Pedipalp tibia with one ± hook-shaped apophysis

Pedipalp tibia with 2 hook-shaped apophyses

5
(4)

Prosoma steeply ascending behind eyes; tibia with pointed, bent apophysis and lateral hump

Oedothorax retusus (Westring, 1851)

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

Prosoma as fig.; tibia with a pointed, less bent apophysis, without lateral hump

Oedothorax gibbifer (Kulczyński, 1882)

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

6
(4)

Distal bulbal apophysis with distinctly stepped tip; tibia with a blunt and a straight, pointed apophysis; prosoma slightly elevated behind eyes

Oedothorax fuscus (Blackwall, 1834)

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

Distal bulbal apophysis uniformly tapering; tibia with a blunt and a pointed, bent apophysis; Prosoma not elevated

Oedothorax agrestis (Blackwall, 1853)

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

7
(1)

Epigynal plate ± triangular, medially with narrow bar, ± as large as receptaculum seminis

Oedothorax gibbosus (Blackwall, 1841)

Epigyne (Roberts 1987)	Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)
Epigyne, ventral view (Růžička 1978)	Epigyne, variation, ventral view (Růžička 1978)	Vulva (Wiehle 1960a)
Vulva (Roberts 1987)	Vulva (Roberts 1987)	Vulva (Růžička 1978)
Vulva, variation (Růžička 1978)

Epigynal plate ± quadrangular

8
(7)

Epigynal plate ± trapezoid

Lateral margins of epigynal plate ± parallel or slightly bent

9
(8)

Epigyne and vulva as fig.

Oedothorax retusus (Westring, 1851)

Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)	Epigyne (Roberts 1987)
Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)	Epigyne/vulva, ventral view (Alderweireldt 1992a)
Epigyne, ventral view (Růžička 1978)	Vulva (Wiehle 1960a)	Vulva (Roberts 1987)
Vulva (Roberts 1987)	Vulva (Růžička 1978)

Epigyne and vulva as fig.

Oedothorax gibbifer (Kulczyński, 1882)

Epigyne (Heimer & Nentwig 1991)	Epigyne, ventral view (Růžička 1978)	Epigyne, variation, ventral view (Růžička 1978)
Vulva (Heimer & Nentwig 1991)	Vulva (Růžička 1978)

10
(8)

Margins of epigynal plate parallel

Oedothorax agrestis (Blackwall, 1853)

Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)	Epigyne (Roberts 1987)
Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)	Epigyne, ventral view (Růžička 1978)
Epigyne, variation, ventral view (Růžička 1978)	Vulva (Wiehle 1960a)	Vulva (Roberts 1987)
Vulva (Roberts 1987)	Vulva (Růžička 1978)

Margins of epigynal plate slightly bent

11
(10)

Epigynal plate wider than long

Oedothorax fuscus (Blackwall, 1834)

Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)	Epigyne (Roberts 1987)
Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)	Epigyne (Løvbrekke unpubl.)
Epigyne/vulva, ventral view (Alderweireldt 1992a)	Epigyne, ventral view (Růžička 1978)	Vulva (Wiehle 1960a)
Vulva (Roberts 1987)	Vulva (Roberts 1987)	Vulva (Růžička 1978)

Epigynal plate approximately as long as wide, margins indistinct

Oedothorax apicatus (Blackwall, 1850)

Epigyne (Wiehle 1960a)	Epigyne (Roberts 1987)	Epigyne (Roberts 1987)
Epigyne (Roberts 1987)	Epigyne (Locket & Millidge 1953)	Epigyne/vulva, ventral view (Alderweireldt 1991)
Epigyne, ventral view (Růžička 1978)	Vulva (Wiehle 1960a)	Vulva (Roberts 1987)
Vulva (Roberts 1987)	Vulva (Růžička 1978)

Further taxa

1. Oedothorax agrestis longipes (Simon, 1884)

Palpal tibia, lateral view
(Simon 1884a)

Palpal tibia, dorsal view
(Simon 1884a)

2. Oedothorax meridionalis Tanasevitch, 1987

Pedipalp (Tanasevitch 1987a)	Palpal tibia (Tanasevitch 1987a)	Prosoma, lateral view (Tanasevitch 1987a)
Vulva (Tanasevitch 1987a)

3. Oedothorax paludigena Simon, 1926

Pedipalp (Millidge 1975c)	Pedipalp (Millidge 1975c)	Pedipalp (Millidge 1975c)
Pedipalp, retrolateral view (Pantini & Mazzoleni 2018)	Pedipalp, ventral view (Pantini & Mazzoleni 2018)	Embolic division, lateral view (Millidge 1975c)
Palpal tibia, dorsal view (Millidge 1975c)	Palpal tibia, dorsal view (Pantini & Mazzoleni 2018)	Prosoma, lateral view (Millidge 1975c)
Epigyne (Millidge 1975c)	Epigyne (Millidge 1975c)	Epigyne (Pantini & Mazzoleni 2018)
Vulva (Millidge 1975c)	Vulva (Pantini & Mazzoleni 2018)

4. Oedothorax tingitanus (Simon, 1884)

Pedipalp, retrolateral view (Bosmans 1985b)	Tip of bulbus (Bosmans 1985b)	Paracymbium (Bosmans 1985b)
Palpal tibia, dorsal view (Bosmans 1985b)	Vulva (Bosmans 1985b)