Family Pholcidae

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1

Six eyes in 2 groups

  2  

-

Eight eyes

  3  

2
(1)

Pale, only light brown mark medially on prosoma; male bulb with long process (longer than embolus) at right angle to embolus, posterior epigynal plate without pockets

Spermophora

speciesimage
Prosoma, dorsal view
(Miller & Zitnanska 1976)
speciesimage
Habitus, lateral view
(Heimer & Nentwig 1991)
-

Usually with vivid pattern on prosoma and opisthosoma, male bulb with short process (shorter than embolus) close to embolus, posterior epigynal plate with pair of pockets

Spermophorides

3
(1)

Prosoma evenly domed, without median furrow or pit

  4  

-

Prosoma with median furrow or pit

  5  

4
(3)

Small species (body length 3 mm) with globose opisthosoma, procursus (= paracymbium) of the male palp with long dorsal process, female genitalia with frontal arc-shaped structure visible through cuticle

Micropholcus

-

Larger species (body length 5-9 mm) with cylindrical opisthosoma. Anterior median eyes between the anterior lateral eyes; head part slightly elevated

Pholcus

speciesimage
Prosoma, dorsal view
(Heimer & Nentwig 1991)
speciesimage
Prosoma, dorsal view
(Heimer & Nentwig 1991)
5
(3)

Small species (body length 3 mm), prosoma with median furrow

Psilochorus

speciesimage
Habitus, lateral view
(Heimer & Nentwig 1991)
-

Larger (body length 5-10 mm), prosoma with median pit

  6  

6
(5)

Opisthosoma higher than long

Artema

-

Opisthosoma longer than high

  7  

7
(6)

Legs with many small black spots/lines

  8  

-

Legs without small black spots/lines

  9  

8
(7)

Opisthosoma pointed dorso-posteriorly, male chelicerae with two pairs of frontal apophyses

Crossopriza

-

Opisthosoma rounded dorso-posteriorly, male chelicerae with single pair of frontal apophyses

Holocnemus

9
(7)

Male chelicerae frontally with many modified (club-shaped) hairs

Stygopholcus

speciesimage
male Chelicerae
(Senglet 1971)
speciesimage
male Chelicerae, lateral view
(Senglet 1971)
-

Male chelicerae frontally with apophyses provided with 1-3 modified hairs each

  10  

10
(9)

Male femora 1 with ventral spines, epigynum roughly triangular

Hoplopholcus

-

Male femora 1 without spines, epigynum roughly rectangular

Smeringopus

This key is a kind contribution of Bernhard Huber.
Further genera

1Modisimus
2Quamtana