Summary details for Porrhomma oblitum (O.P.-Cambridge, 1871)

Species Details

Species name: Porrhomma oblitum (O.P.-Cambridge, 1871)
Synonyms: Porrhomma oblita, Porrhomma oblonga (O.P.-Cambridge, 1870), Porrhomma pallipes (O.P.-Cambridge, 1870)
Taxonomy: Animalia :: Araneae :: Linyphiidae
habitat: acid & sedge peats

Distribution

The species is widely distributed in England and Wales from Yorkshire southwards, but is generally scattered and absent from the south-west and many other areas of England and Wales. The species is uncommon but fairly widespread in north-western and central Europe.

Habitat and ecology

The species occurs in wet, usually broad-leaved, litter, in damp woodland and fen carr. It may be swept from herbage in woodland and fens. Adults of both sexes have been found from October to early June. We have limited data for adults between January and June.

Status

The spider may be abundant, but is very local and the number of occupied 10 km squares may have declined in the last 30 years.

Threats

The species may be threatened by the loss of damp broad-leaved woodland to intensive forestry or drainage.

Management and conservation

Maintain the water table in damp woodland and fen carr. This is one of the few fen species for which the growth of scrub is beneficial. Text based on Dawson, I.K., Harvey, P.R., Merrett, P. & Russell-Smith, A.R. (in prep.).

Stats

First recorded: 1900
Last recorded: 2025
Total records: 168
Total visits: 163

Conservation status

Porrhomma oblitum

Source	Reporting category	Designation	Date designated	Comments
A Review of the scarce and threatened spiders (Araneae) of Great Britain: Species Status No. 22 (Sep 2017)	Rare and scarce species	Nationally Scarce. Includes Red Listed taxa	42979
A Review of the scarce and threatened spiders (Araneae) of Great Britain: Species Status No. 22 (Sep 2017)	Red listing based on 2001 IUCN guidelines	Least concern	42979	Threats: The species may be threatened by the loss of damp broad-leaved woodland to intensive forestry or drainage.

Photos and media

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Spatial distribution - hectad map

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Thresholds:

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Rejected records are excluded from this map. Unverified records are included.

Temporal distribution - records by year

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