MAY HIGHFLYER Hydriomena impulviata
Probably very local and associated with alder.
Rosie recorded it as common in two ornimental woodlands and it was recorded irregularly between 1980 and 2002 at four Rothamsted sites
Only recent records from NC96 in 2014 & 2015, from ND27 in 2015 & 2020 and ND16 in 2018
Scottish Status: Widespread - stable. UK Status: Common
UK distribution has increased significantly since 1970 (cf: Atlas of Britain & Ireland's Larger Moths)
First and last flight dates recorded in Caithness: 19th May to 30th June


MAP: black dots last record pre 2000  blue dots last record 2000 to 2009  
red dots last record 2010 to 2019   green dots last record 2020 to present 

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