Philodromus: histrio-group

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1

world

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cp

Ventral opisthosoma with dense transverse brush of brown bristles in front of spinnerets

Rhysodromus rikhteri (Logunov & Huseynov, 2008)

-

Not so

  2  

2
(1)

Males

  3  

-

Females

  6  

3
(2)

Retrolateral tibial apophysis indistinct or missing, tegular apophysis large

  4  

-

Retrolateral tibial apophysis triangular with pointed tip, tegular apophysis small

  5  

4
(3)

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cp

Embolus simply curved, ventral tibial apophysis narrow triangular

Rhysodromus histrio (Latreille, 1819)

female

-

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Embolus S-shaped, ventral tibial apophysis not developed

Rhysodromus lepidus (Blackwall, 1870)

female

5
(3)

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cp

Ventral tibial apophysis large, almost as long as retrolateral tibial apophysis

Rhysodromus fallax (Sundevall, 1833)

female

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cp

Ventral tibial apophysis missing

Rhysodromus xinjiangensis (Tang & Song, 1987)

female

6
(2)

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cp

Median septum triangular, diverging anteriorly

Rhysodromus fallax (Sundevall, 1833)

male

-

Not so

  7  

7
(6)

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cp

Median septum as long as wide

Rhysodromus xinjiangensis (Tang & Song, 1987)

male

-

Median septum longer than wide

  8  

8
(7)

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cp

Epigyne with anterior grooves, receptacula touching epigastric furrow

Rhysodromus histrio (Latreille, 1819)

male

-

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Epigyne without anterior grooves, receptacula separated from epigastric furrow by about their diameter

Rhysodromus lepidus (Blackwall, 1870)

male

This key has kindly been provided by Christoph Muster.