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Species Account for Andrena alfkenella

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Andrena alfkenella  Perkins, R.C.L., 1914
a mining bee
Aculeata: Andreninae

 
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National status: RDB3
Essex RDB: Listed
Threat: Essex Endangered



Additional Phenology Data

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Taxonomic group: bees and wasps (Aculeata) - County data   
 
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Species text
Confirmed records of this species are confined to the southern half of England. It appears to be even less frequent today than in the past, and has almost certainly declined through the loss and deterioration of suitable habitat. Post-1970 records are known for five sites (Falk, 1991b). The species was first recorded in Essex by Penny Anderson Associates in 1995 from a small sand cliff opposite Grays Chalk Quarry in the Chafford Hundred development at Thurrock. More recently single individuals have been collected by P.R. Harvey at several South Essex locations, and then in numbers at a site in South ockendon in 2006. A variety of open situations seem to be favoured such as coastal areas (e.g. coastal dunes, eroding cliffs) and heathland, whilst many records refer to calcareous grassland. It is a ground nesting species, probably favouring dry, bare soil or short turf in warm, sunny situations. Adults of the first brood are reported from late April to early June and in Britain there are records of flower visits for Brassica, Prunus spinosa, Veronica and Bellis perennis. The second brood is reported between July and early September and is closely associated with umbellifers, including Torilis, Angelica, Pastinaca, Daucus, but also visits Potentilla, Matricaria, Centaurea and Hypochoeris (Falk, op. cit.). References

Species text last edited on Tue Mar 20th 2007 by user 3

Habitats

Broad Habitat Data (based on 26 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 28 records with structural habitat information)

Habitat Detail and Method (based on 30 records with habitat detail and method information)

Recorded management for locations with Andrena alfkenella

Recorded substrate and hydrology for locations with Andrena alfkenella

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