Species Account

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Summary Data

Season (Adult / Immature):

National Status: Migrant

Local Status: Scarce and local migrant/wanderer.

Local Record: Grade 3   See here for explanation

Flight time: Arrive Apr-Nov.

Forewing: 12-14mm.

Foodplant: Unknown.

Regional breakdown:

Year first recorded19601992194919102014
Year last recorded20141998199820142014
Number of records85520241
Number of individuals81512231
Unique positions23212171
Unique locations25214171
Adult records84514221
Immature records00000

For the county, we have a total of 135 records from 59 sites. First recorded in 1910.


1720 Gem 02 female
© Lee Wiseman, 27 Oct 2014
1720 Gem 01
© Charles Fletcher, 11 Oct 2005

Species Account

Sutton & Beaumont, 1989: A migrant species which only rarely reaches as far north as Yorkshire. There have been a few records since the last list (YNU, 1970), all in the centre or south of the County.

Beaumont, 2002: This immigrant moth has been recorded more frequently during the past decade, 1996 being a particularly good year, and is almost as regular inland as in coastal localities.
VC65. East Tanfield, 1.10.2000 (B&SM). NEW VICE-COUNTY RECORD.

2012 (CHF): We receive records of this sporadic migrant in most years, usually along the coast but sometimes inland.

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