Species Account

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Summary Data

Season (Adult / Immature):

National Status: Common

Local Status: Uncommon and thinly distributed or restricted resident.

Local Record: Grade 1   See here for explanation

Flight time: One generation, Jul-Aug

Forewing: 14-17mm.

Foodplant: Herbaceous plants.

Regional breakdown:

Year first recorded18831883188318831991
Year last recorded20142014201420142014
Number of records1907424556558185
Number of individuals4409713899958370
Unique positions1037611511824
Unique locations1137211611922
Adult records1879417529528184
Immature records120010

For the county, we have a total of 3630 records from 442 sites. First recorded in 1883.


73.346 Least Yellow Underwing 03
© Dave Shenton
73.346 Least Yellow Underwing 02
© Andy Nunn
73.346 Least Yellow Underwing 01
© Ian Andrews

Species Account

Sutton & Beaumont, 1989: Previously restricted to Spurn (VC61) for many years (YNU, 1970), the warm weather of the mid 1970s seemed to initiate a range increase. Not recorded from VC65 (though there is a record which might be in VC65 shown in 10km square SD69 on map 112 in MBGBI 9).

Argus 47, 2001-04:
VC65. High Batts, 10.8.1991 (JCW, SPW). NEW VICE-COUNTY RECORD.

2012 (CHF): This species can now be found all over the county in a variety of habitats. Numbers are stable.

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