Species Account

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Summary Data

Season (Adult / Immature):

National Status: Local

Local Status: Rare and local resident.

Local Record: Grade 2   See here for explanation

Flight time: Jun-Jul.

Forewing: 12-15mm.

Foodplant: Bilberry, Heather.

Regional breakdown:

Year first recorded1883188318831880
Year last recorded2014201020142010
Number of records6417564
Number of individuals1241214613
Unique positions3813454
Unique locations3014454
Adult records5811503
Immature records2010

For the county, we have a total of 141 records from 93 sites. First recorded in 1880.


1694. Smoky Wave. 04
© David Ashton
1694 Smoky Wave 03
© Ian Marshall, 17 July 2014
1694 Smoky Wave 02
© Terry Box, 26 Jun 2012
1694 Smoky Wave 01
© Dave Williamson 3rd June 2011

Species Account

Sutton & Beaumont, 1989: The distribution of this moth has changed very little in the past twenty years and the comment made in the 1970 list (YNU, 1970), 'Although there are plenty of suitable locations for this very local insect, it has only been found in a few of them' is still true. It should be searched for on moors and mosses where bilberry occurs, the adults being easily disturbed during the day (Skinner, 1984).

2012 (CHF): The comments in Sutton and Beaumont are still true today though we have received an increase in records in the last few years, mostly of moths disturbed in the daytime.

See background to species accounts.  Index of Vernacular names - Search - Random Species