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Agriphila geniculea
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Essex Field Club
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Species Account for Crossocerus distinguendus

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Crossocerus distinguendus  (Morawitz, A., 1866)
a digger wasp
Aculeata: Crabronidae

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National status: Na
Essex RDB: Listed
Threat: Regionally Important
Saproxylic species

Additional Phenology Data


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Taxonomic group: bees and wasps (Aculeata) - County data   
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Species text
Crossocerus distinguendus is a sphecid wasp formerly confined to E. Sussex, Kent, Surrey and S. Essex (Falk, 1991a) but more recently recorded in N. Essex, Cambridgeshire, Hertfordshire and Middlesex. It is apparently increasing in frequency and is largely associated with unthreatened, often artificial habitat types (Falk, 1991b). Nesting usually occurs in sand or gravel slopes or vertical banks that are fully exposed to the sun. Abroad it is also reported to use old timber. It is reported to provision its nest with aphids or diptera such as Dolochopodidae. References

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


Broad Habitat Data (based on 14 records with habitat information)

no subhabitat data available

Structural Habitat Data (based on 8 records with structural habitat information)

Habitat Detail and Method (based on 11 records with habitat detail and method information)

Recorded management for locations with Crossocerus distinguendus

Recorded substrate and hydrology for locations with Crossocerus distinguendus

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