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Essex Field Club
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Species Account for Hylaeus signatus

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Hylaeus signatus  (Panzer, 1798)
Large Yellow-faced Bee
Aculeata: Colletinae

Hylaeus signatus

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Essex RDB: Listed
Threat: Regionally Important

Records: 182
First Record: 1984
Latest Record: 2020

1992-on hectads: 25
Pre-1992 hectads: 3
Total hectads: 25
Additional Phenology Data


Hylaeus signatus
Hylaeus signatus

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Taxonomic group: bees and wasps (Aculeata) - County data   
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Essex Red Data List comment
forages on Reseda

Species text
This bee is mainly recorded from southern England, with about 30 known post-1970 sites known to Falk (1991a), over half in Kent. In Essex the bee is mainly found near the Thames in post-industrial habitats and disused mineral extraction sites where Weld Reseda luteola or Mignonette Reseda lutea occur. There is a close association with Reseda, from which the bee collects pollen to provision its cells. Falk (at a lecture in 2003) stated that in Warwickshire the species does not occur in isolated parts of the county even where good stands of Reseda occur - indicating the importance of a continuity of habitat mosaic and the nature conservation losses that occur when fragmentation becomes excessive, currently a massive threat in the East Thames Corridor. Nests have been recorded from dead woody stems of bramble and rose, in hard clay banks and occasionally in the mortar of masonry. References

Species text last edited on Tue Nov 9th 2010 by user 3


Broad Habitat Data (based on 80 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 39 records with structural habitat information)

Habitat Detail and Method (based on 182 records with habitat detail and method information)

Recorded management for locations with Hylaeus signatus

Recorded substrate and hydrology for locations with Hylaeus signatus

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Interpretation of distribution maps