Family Eresidae C. L. Koch, 1845
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1

Median ocular quadrangular much wider than long, on the ground in burrows, in a silken tube

  2  
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Median ocular quadrangular almost as wide as long, web in or on vegetation

Stegodyphus
speciesimage

male Prosoma, frontal view
(Miller et al. 2012)

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male Prosoma, dorsal view
(Miller et al. 2012)

 speciesimage

female Prosoma, frontal view
(Miller et al. 2012)
speciesimage

female Prosoma, dorsal view
(Miller et al. 2012)
2
(1)

Cephalic region wider than long, palpal conductor with bifid process, vulva with compact duct system and anterior lobe (only southern Spain)

Loureedia
speciesimage

male Pedipalp, prolateral view
(Miller et al. 2012)

 speciesimage

male Pedipalp, retrolateral view
(Miller et al. 2012)

 speciesimage

male Prosoma, frontal view
(Miller et al. 2012)
speciesimage

male Prosoma, dorsal view
(Miller et al. 2012)

 speciesimage

female Epigyne, ventral view
(Miller et al. 2012)

 speciesimage

female Vulva, dorsal view
(Miller et al. 2012)
speciesimage

female Prosoma, frontal view
(Miller et al. 2012)

 speciesimage

female Prosoma, dorsal view
(Miller et al. 2012)
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Cephalic region longer than wide, palpal conductor without bifid process, vulva variable, without anterior lobe

 

Eresus
speciesimage

male Prosoma, frontal view
(Miller et al. 2012)

 speciesimage

male Prosoma, dorsal view
(Miller et al. 2012)

 speciesimage

male Habitus
(Roberts 1995)
speciesimage

female Prosoma, frontal view
(Miller et al. 2012)

 speciesimage

female Prosoma, dorsal view
(Miller et al. 2012)

 speciesimage

female Habitus
(Bellmann 1997)

This key has kindly been provided by Milan Rezac.

Further genera