Family Corinnidae Karsch, 1880

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1

Leg bristles absent, but at least the male tibia and metatarsi I-II may bear ventral-lateral rows of very short spines or thickened hairs (cusps). Prosoma most often distinctly convex, its cuticula most often distinctly wrinkled, chelicerae usually powerful

  2  

-

Leg bristles present, e.g. as long paired ventral tibial and metatarsal bristles on the anterior leg, cusps absent. Prosoma usually low, powerful chelicerae only in Creugas

  5  

2
(1)

Body length 5-7 mm, genital organs as figure, under bark

Trachelidae

Cetonana

-

Body length less than 5 mm, genital organs different, ground spiders

  3  

3
(2)

Male tibia and metatarsus I-II with ventral-lateral rows of very short spines or thickened hairs (cusps), male opisthosoma with dorsal scutum, epigyne different

  4  

-

Male tibia and metatarsus I-II without cusps, male opisthosoma without dorsal scutum, epigyne as figure

Trachelidae

Metatrachelas

4
(3)

Patellar apophysis of the male pedipalpus absent, epigyne with anterior hood or rim

Trachelidae

Paratrachelas

-

Patellar apophysis of the male pedipalpus present, epigyne without anterior hood or rim

Trachelidae

Trachelas

5
(1)

Body length 5 – 8.6 mm, metatarsi I-II bear 2 pairs of ventral bristles

  6  

-

Body length 2 – 5 mm, metatarsi I-II bear at least 3 pairs of ventral bristles

  7  

6
(5)

Tibia I with 5 pairs of ventral bristles, legs III-IV with numerous bristles, body stout, prosoma 1.23-1.34 times longer than wide, male pedipalpus tibia with 3 apophyses, epigyne with 2 depressions

Creugas

-

Tibia I with 2 pairs of ventral bristles, legs III-IV with no or very few bristles, body slender, prosoma 1.34-1.48 times longer than wide, male pedipalpus tibia without apophyses, only with a hook, epigyne as figure

Castianeira

7
(5)

Ant-mimicking spiders, dark opisthosoma with white spots, femur of male pedipalpus with ventral hump

  8  

-

Not ant-shaped, femur of male pedipalpus without ventral hump

  10  

8
(7)

All femora with 1 dorso-basal bristle , 2-4 promarginal and 2 retromarginal teeth on the cheliceral fang furrow

  9  

-

Dorso-basal bristle at least absent on femora III-IV, no promarginal and 1 retromarginal teeth on the cheliceral fang furrow

Phrurolithidae

Phrurolithus

9
(8)

Two tibial apophyses at the male pedipalpus, one short, epigyne with large depressions as figure

Phrurolithidae

Liophrurillus

-

One long and slender tibial apophysis at the male pedipalpus, epigyne as figure

Phrurolithidae

Phrurolinillus

10
(7)

Body length 2-4 mm, chelicerae without anterior bristle in its basal half, prosoma and opisthosoma unicoloured, prosoma reddish (fading to orange in alcohol), opisthosoma long oval (Note: Arabelia is currently considered to belong to Liocranidae but could turn out to belong to Corinnidae)

 

Arabelia


-

Body length less than 2 mm, chelicerae with anterior bristle in its basal half, prosoma and opisthosoma bicoloured (light and darker grey), opisthosoma short ovoid

Phrurolithidae

Orthobula

With kind permission of the author, this key has been modified from Wunderlich J (2012) Identification key to the European genera of the spider families Corinnidae (Araneae). Beitr Araneol 7: 12-24 (Publishing House Joerg Wunderlich)