Lepthyphantes: tenuis-group
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| 1 |
Males | ||||||||||
| - | Females | ||||||||||
| 2 (1)
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Pedipalp tibia with 3 bristles; base of cymbium with hump Tenuiphantes cristatus (Menge, 1866)
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| - | Pedipalp tibia with 1 bristle; base of cymbium without hump | ||||||||||
| 3 (2) |
Basal branch of paracymbium without tooth, transverse branch with tooth | ||||||||||
| - | Basal branch of paracymbium with tooth, transverse branch with or without tooth | ||||||||||
| 4 (3)
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Tips of lamella parallel; paracymbium with tooth on transverse branch as fig. Tenuiphantes jacksonoides (van Helsdingen, 1977)
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Tips of lamella divergent; paracymbium with tooth in transverse branch as fig. Tenuiphantes jacksoni (Schenkel, 1925)
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| 5 (3) |
Paracymbium with 1 tooth | ||||||||||
| - | Paracymbium with 2 teeth | ||||||||||
| 6 (5)
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Tooth on paracymbium very small, in the middle of basal part, directed toward tibia Tenuiphantes zimmermanni (Bertkau, 1890)
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| - | Tooth on paracymbium large, directed toward cymbium | ||||||||||
| 7 (6)
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Tip of lamella straight; with fine stridulatory organ on outer side of chelicerae Tenuiphantes flavipes (Blackwall, 1854)
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| - | Tip of lamella bent | ||||||||||
| 8 (7)
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Tip of lamella as fig.; opisthosoma black, anteriorly with two white spots each continues in a white lateral band or two spots posteriorly Tenuiphantes nigriventris (L. Koch, 1879) |
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Tip of lamella sickle-shaped; with stout stridulatory organ on outer side of chelicerae Tenuiphantes mengei (Kulczyński, 1887)
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| 9 (5)
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Paracymbial teeth unequal in length; distal tooth of lamella long and pointed Tenuiphantes tenebricola (Wider, 1834)
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Paracymbial teeth equal in length; distal tooth of lamella short and broad Tenuiphantes tenuis (Blackwall, 1852)
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| 10 (1)
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Stalk of scapus short, visible part of scapus circular, almost completely covering epigynal groove Tenuiphantes flavipes (Blackwall, 1854)
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| - | Scapus distinctly stalked, parallel-sided or gradually broadened, visible part of scapus not circular | ||||||||||
| 11 (10)
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Visible part of scapus gradually broadened, deeply incised medially Tenuiphantes mengei (Kulczyński, 1887)
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| - | Visible part of scapus with parallel sides | ||||||||||
| 12 (11)
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Visible part of scapus posteriorly with a sclerotised transverse ridge Tenuiphantes tenebricola (Wider, 1834)
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| - | Different | ||||||||||
| 13 (12) |
Visible part of scapus posteriorly with median depression | ||||||||||
| - | Visible part of scapus posteriorly without depression | ||||||||||
| 14 (13)
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Stridulatory organ and epigyne as fig.; Prosoma dark brown; legs clay yellow; opisthosoma yellowish grey with black chevrons Tenuiphantes jacksoni (Schenkel, 1925)
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Stridulatory organ as fig.; prosoma grey-brown; legs pale brown; epigyne and opisthosoma like jacksoni Tenuiphantes jacksonoides (van Helsdingen, 1977)
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| 15 (13)
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Scapus shortly stalked Tenuiphantes cristatus (Menge, 1866)
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| - | Scapus with long stalk | ||||||||||
| 16 (15)
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Visible part of scapus anchor-shaped anteriorly, lateral margins of subjacent part of scapus semicircular Tenuiphantes tenuis (Blackwall, 1852)
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Visible part of scapus rounded laterally, lateral margins of subjacent part of scapus ± parallel to stalk of scapus Tenuiphantes zimmermanni (Bertkau, 1890)
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Pedipalp
