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Essex Field Club
Essex Field Club
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Species Account for Hedychrum niemelai

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Hedychrum niemelai  Linsenmaier, 1959
a cuckoo wasp
Aculeata: Chrysididae

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

Additional Phenology Data


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Taxonomic group: bees and wasps (Aculeata) - County data   
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Essex Red Data List comment
parasite on Cerceris quinquefasciata

Species text
The ruby-tailed wasp Hedychrum niemelai is a cleptoparasite of the national Biodiversity Action Plan RDB3 Cerceris quinquefaciata and other Cerceris species in hot situations. In the past the species was apparently locally common in southern England, from W. Cornwall to W. Norfolk, but now seems to be very scarce, with post-1970 information from only a handful of sites. It is known to inhabit open, sandy situations with nesting taking place in bare or sparsely vegetated sandy substrates fully exposed to the sun. The Cerceris is recorded collecting a number of weevils as prey, including some very common species. The UK Action Plan gives the loss of open areas of sandy ground for nesting and flower-rich grasslands for foraging as the current factors causing decline. Cerceris quinquefaciata is currently subject to research into its autecology. References

Species text last edited on Tue Jul 26th 2011 by user 169


Broad Habitat Data (based on 116 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 66 records with structural habitat information)

Habitat Detail and Method (based on 48 records with habitat detail and method information)

Recorded management for locations with Hedychrum niemelai

Recorded substrate and hydrology for locations with Hedychrum niemelai

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