Taxonomy
Andrena (Plastandrena) nigrospina
Distribution
Status
Conservation status
Not Assessed - previously misidentified as Andrena pilipes and not observed since 1977 (status unclear)
Species Biology
Identification
- Large sized solitary species (14-16mm)
- Thorax black
- Abdomen black
- Males generally smaller than females
Habitat
Historically associated with disused quarries and dry grassland with plentiful Wild Radish (Raphanus raphanistrum), but not recorded since 1977 so current habitat associations unknown.
Flight period
May-July in a single generation
Nesting biology
Ground nesting (sandy soil)
Flowers visited
Polylectic - Raphanus, Brassica, Hirschfeldia, Papaver, Heracleum, Rubus, Hypochaeris, Crepis, with a strong preference for Raphanus raphanistrum
Distribution
World distribution(GBIF)
Temporal change
Records submitted to Data Centre in 2024
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References
Publications
Flowers visited & World distribution: Westrich, P. (1989) Die Wildbienen Baden-Württembergs. Eugen Ulmer, Stuttgart, Germany.