Summary for Stroemiellus stroemi (Araneae)

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National Distribution

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Identification difficulty rating: 3
Name: Stroemiellus stroemi
Authority: (Thorell, 1870)
Order: Arachnida: Araneae
Family: Araneidae
National Rarity status: NR
IUCN status: NT, criteria: B2a

Records: 51
First Record: 1900
Latest Record: 2013

1992-on hectads: 12
Pre-1992 hectads: 13
Total hectads: 21

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About this species

Recorded altitude range
80m to 100m

Species text

The species is almost confined to central southern England, where it is fairly widespread, but with two records from central Scotland. It is widespread in western and central Europe but has not been recorded from Ireland and the Netherlands.

Habitat and ecology
Z. stroemi occurs on deeply fissured trunks of pine and large oak trees, and occasionally on lower branches. It spins a small, delicate orb web on the surface of the trunk, and lives in a retreat in deep fissures in the bark. Males are adult from June to September, females throughout the year.

The species is abundant in some places in the south of England, but very local. Its specialised habitat may mean it has been under-recorded.

The loss of old pine and oak trees to intensive forestry, in which the trees are unlikely to develop the same degree of deeply fissured bark.

Management and conservation
Retain old pine and oak trees with fissured bark.

Text based on Dawson, I.K., Harvey, P.R., Merrett, P. & Russell-Smith, A.R. (in prep.).  References

Adult Season

Adult Season Data (based on 8 records with adult season information)


background methodology

Broad Habitat Data (based on 8 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 1 records with structural habitat information)

Habitat Detail and Method (based on 2 records with habitat detail and method information)

Recorded management for locations with Stroemiellus stroemi

Recorded substrate and hydrology for locations with Stroemiellus stroemi


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