Prosoma in lateral view with gradually descending thoracic region; cheliceral retromargin with 3 teeth; large to very large spiders (15-35 mm). Burrowing groups (in deep burrows)

  2  

Prosoma in lateral view with clear steeper region behind fovea; cheliceral retromargin with 2 or 3 teeth; small to medium spiders (< 20 mm). Non-burrowing groups (ground-dwellers or in shallow silky retreats)

  5  

Second row of eyes distinctly wider than anterior row; anterior row of eyes recurved; tarsi I + II with scopulae (Sc) and spinules (Sp)

  3  

Second row of eyes about equal to anterior row; anterior row of eyes straight; tarsi I + II with dense scopulae (Sc) only (no spinules)

  4  

Median apophysis (MA) of palpus hook-shaped; embolus-shaped synembolus (Sb) present; septal pedicel (SP) of epigyne present and distinct, with proximal elevation (PE)

Lycosa

Median apophysis (MA) wide and bulging; synembolus absent; septal pedicel absent. Monotypic genus known from Andalucia (Spain) only

Donacosa

AME diameter/clypeus height ratio 1.3-1.6; median apophysis (MA) of palpus with a distal prominence (arrowed); median septum (MS) of epigyne anchor-shaped, with short septal pedicel (SP)

Allohogna -> under Lycosa

AME diameter/clypeus height ratio 0.7; median apophysis of palpus with a proximal-ventral sharpened tooth (arrowed); septal pedicel (SP) of epigyne long, fused with epigynal atrium in its proximal half

Geolycosa

Opisthosoma without cardiac mark; palpus with deep apical hollow of tegulum in which embolus is situated (arrowed); epigynal atrium (A) shallow and paired, contrasting in colour (whitish) to the entire epigynal plate

  6  

Opisthosoma with cardiac mark (sometimes indistinct); palpus without deep apical hollow of tegulum; epigynal atrium (if present) is of the same colour as the entire epigynal plate

  7  

Metatarsus I with 3-4 pairs of ventral spines (apart from apical); tibia I with 4-6 pairs of long ventral spines (apart from apical); tarsus of all legs with pseudo-articulation (arrowed, not in all species); prosoma with transverse depression behind ocular area; body length 5.5-11 mm

Evippa

Metatarsus I with 2 pairs of ventral spines (apart from apical); tibia I with 3 or fewer pairs of long ventral spines (apart from apical); tarsus without pseudo-articulation; prosoma without transverse depression; body length 5-7 mm

Xerolycosa

Palpal patellae white in both sexes; prosoma anteriorly narrow, as wide as the eye region; body length ≤ 4 mm

Aulonia

Palpal patellae not white; prosoma anteriorly clearly wider than the eye region; body length > 4 mm

  8  

Prosoma without bright midline band

  9  

Prosoma with bright midline band, distinctly marked off from dark sides, if indistinct then V-shaped pattern present

  10  

Legs clearly spotted or annulated; copulatory organs as illustrated; body length < 15 mm

Arctosa

Legs not spotted or annulated; copulatory organs as illustrated; body length 15-18 mm. The type species is endemic to the French and Italian Alps (1800-2700 m a.s.l.)

Vesubia

Tibia I + II with 4-7 pairs of ventral spines; legs conspicuously long; dark body coloration with no or poorly marked pattern

  11  

Tibia I + II with 3 or fewer pairs of ventral spines, if 4 or more pairs present then body with clear; bright body colour pattern

  12  

Tibia I with 4-7 pairs of ventral spines; palpal palea with two processes (PP); embolus thick, usually with basal tooth (ET); singular apical epigynal pocket (EP) visibly narrower than median septum; long insemination ducts; body length 6.5-11 mm

Acantholycosa

Tibia I with 6-7 pairs of ventral spines; palpal palea with poorly developed processes (PP) looking like bulges; embolus thin (E); paired apical epigynal pockets (EP) visibly wider than median septum; short insemination ducts; body length 7-10 mm

Pyrenecosa

Midline band of prosoma with dark markings (sometimes indistinct)

  13  

Midline band of prosoma without dark markings

  15  

Cephalic region with 2 dark parallel bars medially; AME > ALE; leg I in males often darkened; body length 7-18 mm

Trochosa

Cephalic region with forked dark marking; AME ≥ ALE; leg I in males never darkened; body length 2.5-9 mm. Most species inhabit marshy areas

  14  

AME > ALE; prosoma length > 3 mm; median apophysis (MA) of palpus small, situated at the distal end of tegulum; median apophysis without teeth; subtegulum (St) > ½ tegulum length; prolateral spine on tibia I in females absent

Pirata

AME ± equal ALE; prosoma length < 3mm; median apophysis (MA) of palpus large (C-shaped), occupying almost a third of the genital bulb; median apophysis with 1-2 teeth; subtegulum (St) < ½ tegulum height; prolateral spine on tibia I in females present

Piratula

Tegulum of palpus with processes, epigyne as in number 16 (for Wadicosa or Bogdocosa)

  16  

Tegulum of palpus without processes, epigyne different

  17  

Tegulum with two prolateral processes (PTP); sternum in both sexes without spines; epigyne with median septum (MS) tapering backwards; epigyne with two separated fovea (F) in anterior position; body length 6-7 mm

Wadicosa

Tegulum with two median processes (MTP); sternum in males with numerous spines; epigyne with median septum (MS) widening backwards; epigyne without atrium or separated fovea; body length 5.5-8.2 mm. Monotypic genus known from south-eastern areas of European Russia (Astrakhan region)

Bogdocosa

Median apophysis (MA) of palpus massive, occupying a half or more of the length of genital bulb; embolus hair-like (E); median septum of epigyne small, triangular and depressed (one species in Europe, see comment under T. brunhesi)

Trebacosa

Median apophysis of palpus clearly less than a half of the length of genital bulb; embolus different; median septum of epigyne larger and not depressed

  18  

Palea of palpus with strong prolateral process (PP); paired apical pockets of epigyne; deep paired epigynal atrium (A); narrow, anchor-shaped median septum (MS); tibia I + II with 2 pairs of ventral spines (apart from apical); body length 5.7-8 mm

Caspicosa

Copulatory organs different

  19  

AME < ALE; sternum with six dark spots; prosoma with bright median band and two bright lateral bands; body length ≤ 5 mm

Hygrolycosa

AME ≥ ALE; sternum without six dark spots; prosoma different

  20  

Prosoma square-fronted; PME diameter /AME diameter ratio ≥ 3.6; cymbium of palpus with two parallel apical rows of flattened setae (arrowed); copulatory organs as illustrated; body length 3-8 mm

Trabea

Prosoma different; PME diameter/AME diameter ratio ≤ 2.8; copulatory organs different

  21  

Sides of head vertical; AME diameter /clypeus height ratio ≤ 0.7; small to medium slender species; body length 4-10 mm

Pardosa

Sides of head moderately sloping; AME diameter/clypeus height ratio ≥ 0.7; medium to large species

  22  

Cheliceral retromargin with 3 teeth

  23  

Cheliceral retromargin with 2 teeth

  24  

Opisthosoma globular; posterior spinnerets visibly elongated (arrowed); palea of palpus with two sickle-shaped processes (arrowed); epigyne with very narrow median septum (MS) and short septal pedicel (SP); body length 12-18 mm

Hippasosa

Opisthosoma elongated; posterior spinnerets not elongated; palea of palpus with one sickle-shaped process (Sb, arrowed); septal pedicel (SP) of epigyne long; body length 9-25 mm

Hogna

Synembolus (Sb) of palpus reduced to a pointed prominence; median apophysis (MA) oriented transversely, with a pointed tooth at its tip; median septum of epigyne usually anchor- or pear-shaped; opisthosoma usually with cardiac mark

Alopecosa

Synembolus (Sb) well-developed; conformation of copulatory organs different

  25  

Length of massive median apophysis (MA) of palpus exceeds tegular width; epigyne length 2.5 times longer that its width; septal pedicel (SP) fused with epigynal atrium in its proximal half; body length 10-11 mm. Monotypic genus known from the Crimea only

Deliriosa

Conformation of copulatory organs different; body length 9-12 mm

Mustelicosa