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A Dipterists Forum recording scheme

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Registered Users: Mark Keighley

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Most users ever online was 248 on Wed Dec 12, 2007 11:53 pm


Hoverfly Recording Scheme maps
Configure map
Species/item to map: Colour for the most recent date class:
Background for the map: Colour for the oldest date class:
These maps are based on summary information at 10km square resolution extracted from the HRS database on 29 Aug 2014. The database was last updated on 25 Aug 2014 when it contained 800,286 records of hoverfly species which are valid in the opinion of the scheme organisers.
Explain this map
Helophilus affinis Wahlberg, 1844
Topographical map of GB HZ27 (1982)



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