Walckenaeria unicornis
Males 1.8 to 2.2 mm, females 2.0 to 3.1 mm, dark (almost black) body, red-orange legs with pale annulations.
Other Walckenaeria species.
- Tibial spines: 2-2-1-1;
- TmIV: present;
- TmI: 0.55 to 0.65;
- Epigyne and male palp are characteristic.
Microscopic examination of genitalia is required to confirm identity.
Found in a variety of habitats.
All year round.
Widespread throughout England and Wales.
Widespread and common in Leicestershire and Rutland but under recorded.
AJ Cann
Lucas Marsh
26 February 2020
Female
AJ Cann
Oakham
31 January 2023
male
AJ Cann
Croxton Kerrial, The Drift
31 May 2019
AJ Cann
Lucas Marsh
26 February 2020
Epigyne
AJ Cann
Narborough Bog
23 November 2021
palp
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Species profile
- Species group:
- Spiders
- Kingdom:
- Animalia
- Order:
- Araneae
- Family:
- Linyphiidae
- Records on NatureSpot:
- 9
- First record:
- 18/06/1993 (Jon Daws)
- Last record:
- 30/10/2023 (Cann, Alan)
Total records by month
% of records within its species group
10km squares with records
The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.
In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.
Latest images
Latest records
AJ Cann
Narborough Bog
23 November 2021
AJ Cann
Croxton Kerrial, The Drift
31 May 2019
