Family Liocranidae

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1

Posterior eye row strongly recurved, feathery (branched) hairs absent; almost unicoloured brown spiders without distinct marking of the body; male opisthosoma ventrally with short bristles

Apostenus

speciesimage
Eyes, dorsal view
(Sterghiu 1985)
speciesimage
Habitus
(Sterghiu 1985)
-

Posterior eye row slightly procurved to slightly recurved, feathery (branched) hairs usually present at least on the basal leg articles

  2  

2
(1)

Body length 2.0 – 3.5 mm; distance between the posterior median eyes wider than to the lateral eyes

Scotina

speciesimage
male Pedipalp
(Roberts 1995)
speciesimage
male Pedipalp
(Roberts 1995)
speciesimage
male Pedipalp
(Roberts 1995)
speciesimage
female Epigyne
(Roberts 1995)
speciesimage
Opisthosoma, dorsal view
(Braendegaard 1966)
-

Body length 3.5 – 12 mm; eyes of the posterior row equidistant

  3  

3
(2)

Tarsi with dense spatulate claw tufts; tarsi and metatarsi with dense scopulae

Sagana

speciesimage
male Pedipalp
(Roberts 1995)
speciesimage
female Epigyne
(Roberts 1995)
speciesimage
Habitus
(Sterghiu 1985)
-

Claw tufts absent or quite indistinct; tarsal and metatarsal scopulae absent

  4  

4
(3)

Sclerotized praecoxal triangles present, most distinct on III-IV, median female spinnerets more or less compressed

  5  

-

Praecoxal triangles absent, median female spinnerets not compressed

  6  

5
(4)

Tibia I usually with 4-11 pairs of ventral bristles; female median spinnerets strongly laterally flattened; epigyne as figure

 

Liocranum

speciesimage
female Epigyne
(Roberts 1995)
speciesimage
Habitus
(Sterghiu 1985)
-

Tibia I usually with 2 pairs of ventral bristles; female median spinnerets not or only slightly flattened; epigyne as figure

Mesiotelus

speciesimage
male Pedipalp, retrolateral view
(Brignoli & Gaddini 1979)
speciesimage
female Epigyne
(Barrientos & Urones 1985)
6
(4)

Metatarsi I-II usually with 3 (rarely 2) pairs of ventral bristles; the male opisthosoma of certain species bears ventral bristles or spines similar to most Apostenus species, tegulum with longitudinal folds; median apophysis with a long and slender distal half whose tip points medially; epigyne with a pair of strongly sclerotized introductory openings and a large v-shaped medial field

Agroeca

speciesimage
male Pedipalp
(Roberts 1995)
speciesimage
female Epigyne
(Roberts 1995)
-

Metatarsi I-II usually with 2 (rarely 3) pairs of ventral bristles; ventral spines or bristles at the male opisthosoma absent; tegulum without folds; median apophysis and epigyne different

  7  

7
(6)

Median apophysis very long, bulbus with an additional long and thin tegular apophysis; epigyne with a medium septum, without helm-shaped anterior structure

Agraecina

speciesimage
male Pedipalp
(Bosmans 1999)
speciesimage
female Epigyne, ventral view
(Bosmans 1999)
-

Median apophysis stout, additional spine-shaped tegular apophysis absent, epigyne with a shallow median furrow and an anterior helm-shaped structure

Liocranoeca

speciesimage
male Pedipalp
(Locket & Millidge 1951)
speciesimage
male Bulbus, ventral view
(Tullgren 1946)
speciesimage
female Epigyne
(Roberts 1995)
With kind permission of the author, this key has been modified from Wunderlich J (2011) On European spiders of the nominal families Liocranidae, Miturgidae and Zoridae (Araneae), with descriptions of new taxa. Beitr Araneol 6: 108-120 (Publishing House Joerg Wunderlich)
Further genera

1Arabelia
2Cybaeodes
3Oedignatha
4Vankeeria