Summary for Pseudomaro aenigmaticus (Araneae)

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National Distribution

 
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Identification difficulty rating: 5
Name: Pseudomaro aenigmaticus
Authority: Denis, 1966
Order: Arachnida: Araneae
Family: Linyphiidae
National Rarity status: NR
IUCN status: DD

Records: 16
First Record: 1976
Latest Record: 1994

1992-on hectads: 2
Pre-1992 hectads: 3
Total hectads: 5

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About this species

Recorded altitude range
95m to 200m

Species text

Distribution
P. aenigmaticus has been recorded from single localities in Cornwall, Dorset, Hampshire and Hertfordshire. It is also known from Belgium, Luxemburg, Germany, Switzerland, Austria, Poland, Italy and China. [See http://www.theoblick.homepage.t-online.de/Pseudomaro/Pseudomaro-Records.html ]. Males have been found, but not yet formally described.

Habitat and ecology
On the continent this species has been recorded from caves and cellars, while in Britain it has been collected from chalk grassland in Dorset and Hampshire, fields of winter wheat in Hertfordshire (Merrett in Bratton 1991) and the field layer of a woodland edge near the coast in Cornwall (M. George pers. comm.). The habitat for this species is not known but it is suspected to live in ants' nests or in fissures in the soil. Adult females have been found between November and February.

Status
This species is rare over its recorded range. Only five females have ever been found in Britain.

Threats
Not enough is known about this species to identify any threats or make any management recommendations.

Management and conservation
Although the exact micro-habitat requirements of this species need to be determined, an important interim measure would be to avoid excessive soil compaction by agricultural machinery in areas where it is known to occur.

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 2 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 3 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 1 records with habitat detail and method information)

Recorded management for locations with Pseudomaro aenigmaticus

Recorded substrate and hydrology for locations with Pseudomaro aenigmaticus

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