Summary for Trogloneta granulum (Araneae)

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National Distribution

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Trogloneta granulum female Copyright: Richard Gallon
Identification difficulty rating: 4
Name: Trogloneta granulum
Authority: Simon, 1922
Order: Arachnida: Araneae
Family: Mysmenidae

Records: 2
First Record: 2012
Latest Record: 2012

1992-on hectads: 2
Pre-1992 hectads: 0
Total hectads: 2

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About this species

Recorded altitude range
141m to 141m

Species text


Known in Britain from two locations in Wales.

Habitat and ecology

In South Wales a single female was discovered under a rock in woodland, whereas the North Wales female was located within a large slate spoil heap in Snowdonia. On continental Europe Trogloneta granulum is known to inhabit wooded upland block-scree and caves where it constructs a tiny orb-web. Females construct a comparatively large spherical egg-sac.


Nationally Rare. Likely to be under-recorded due to its small size and the difficulty in sampling deep scree habitats.


Soil-capping or the removal of quarry spoil heaps might threaten this species' specialised habitat.

Original author of profile: R.C. Gallon.


Adult Season

Adult Season Data (based on 2 records with adult season information)


background methodology

Broad Habitat Data (based on 2 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 2 records with structural habitat information)

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

Recorded management for locations with Trogloneta granulum

Recorded substrate and hydrology for locations with Trogloneta granulum


Trogloneta granulum female
Trogloneta granulum female
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