Summary for Philodromus albidus (Araneae)

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National Distribution

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Philodromus albidus Copyright: Peter Harvey
Identification difficulty rating: 3
Name: Philodromus albidus
Authority: Kulczynski, 1911
Order: Arachnida: Araneae
Family: Philodromidae
IUCN status: LC

Records: 2277
First Record: 1924
Latest Record: 2023

1992-on hectads: 323
Pre-1992 hectads: 72
Total hectads: 344

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About this species

Recorded altitude range
0m to 200m

Species text

The species is confined to the southern half of England. It is widespread in western and central Europe, but has not been recorded from Scandinavia or Ireland.

Habitat and ecology
The spider is usually found in broad-leaved or mixed woodland on the lower branches of broad-leaved trees such as oak at the edge of clearings or rides. It is also found in old hedgerows and green lanes. Adults of both sexes have been found from May to July with a peak in June.

Most references in literature suggest that the species is never very numerous (Merrett 1990) or that only single individuals are usually found (e.g. Crocker & Daws 1996), but this has not been the case in Essex where it has been a widespread and often frequent spider since at least the early 1980s. The species has now seemingly been increasing in frequency and turning up in new locations in other parts of England in recent years. The spider is not uncommon on old trees at some sites in southern Oxfordshire (J. Denton pers. comm.) and it has been found in numbers in Huntingdonshire (I. Dawson, pers. comm.). The species formerly known as P. rufus was split into P. rufus and P. albidus (Dondale 1972; Segers 1989) for information on P.rufus sens. str. see that species account.

The majority of records are from trees or bushes at the edge of clearings or in hedgerows. Lack of management resulting in the closure of open woodland and the loss of old hedgerows are almost certainly detrimental to this species. Spray drift from the use of pesticides on crops is likely to affect the survival of this spider, as well as many other invertebrates, where arable fields are adjacent to woodland or hedgerows.

Management and conservation
Management should retain open surroundings by rotational cutting of woodland ride vegetation, periodic control of scrub and tree invasion and light grazing in woodland pasture. The retention of wide field edges and headlands should be encouraged to help maintain a diverse invertebrate fauna and reduce the effects of spray drift on old trees in hedgerows and at the edge of woodland.

Original author of profile: P.R. Harvey

Text based on Harvey, P.R., Nellist, D.R. & Telfer, M.G. (eds) 2002. Provisional atlas of British spiders (Arachnida, Araneae), Volumes 1 & 2. Huntingdon: Biological Records Centre.  References

 Account last edited by Matt Prince at 21:59 on Fri 18th Jun 2021.

Adult Season

Adult Season Data (based on 1134 records with adult season information)


background methodology

Broad Habitat Data (based on 604 records with habitat information)

Broad subhabitat Data (based on 118 records with subhabitat information)

Structural Habitat Data (based on 659 records with structural habitat information)

Habitat Detail and Method (based on 760 records with habitat detail and method information)

Recorded management for locations with Philodromus albidus

Recorded substrate and hydrology for locations with Philodromus albidus


Philodromus albidus epigyne
Philodromus albidus epigyne
Philodromus albidus female
Philodromus albidus female
Philodromus albidus male 2
Philodromus albidus male 2
Philodromus albidus male 1
Philodromus albidus male 1
Philodromus albidus (det. Peter Harvey by dissection)
Philodromus albidus (det. Peter Harvey by dissection)
Philodromus albidus
Philodromus albidus
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