Summary for Robertus neglectus (Araneae)

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National Distribution

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Identification difficulty rating: 3
Name: Robertus neglectus
Authority: (O.P.-Cambridge, 1871)
Order: Arachnida: Araneae
Family: Theridiidae
National Rarity status: NS
IUCN status: LC
Watching Brief: Amber

Records: 321
First Record: 1893
Latest Record: 2022

1992-on hectads: 93
Pre-1992 hectads: 90
Total hectads: 174

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About this species

Recorded altitude range
0m to 510m

Species text

The spider is widespread but locally distributed in Britain. It is widespread in north-western and central Europe.

Habitat and ecology
Like the much more common R. lividus, this is a ground living spider. It is found in very similar situations to R. lividus e.g. under stones and in leaf litter. It has been found in various habitats including wetland, woodland and high moorland. In southern England, there is possibly some suggestion that the species may be more frequent on calcareous soils. Both sexes may be mature throughout the year, but most adults occur in late summer and autumn.

Generally an uncommon species, records for which show a long-term decline, particularly in northern England and southern Scotland.

Given the relatively broad habitat requirements of this species, the apparent recent decline is difficult to explain.

Management and conservation
Although research is required to determine the reasons for the apparent recent decline of this species, preventing destruction of woodland and wetland habitats will certainly be beneficial.

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 97 records with adult season information)


background methodology

Broad Habitat Data (based on 114 records with habitat information)

Broad subhabitat Data (based on 6 records with subhabitat information)

Structural Habitat Data (based on 38 records with structural habitat information)

Habitat Detail and Method (based on 63 records with habitat detail and method information)

Recorded management for locations with Robertus neglectus

Recorded substrate and hydrology for locations with Robertus neglectus


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