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, Oct-Dec.

Forewing: 17-21mm.

Foodplant: Broadleaved trees and shrubs.

Regional breakdown:

Year first recorded18051857184618831880
Year last recorded20142014201420142014
Number of records8521017345165
Number of individuals9138223886679
Unique positions3122637315
Unique locations3124647415
Adult records7619914143361
Immature records12600

For the county, we have a total of 984 records from 208 sites. First recorded in 1805.


70.254 Scarce Umber 06
© Terry Box, 21 Nov 2018
70.254 Scarce Umber 05
© Tony Moverley, 4 Nov 2015
70.254 Scarce Umber 04
© David Ashton, 20 Nov 2014
70.254 Scarce Umber 03
© Andy Nunn
70.254 Scarce Umber 02 male
© Damian Money
70.254 Scarce Umber 01 male
© Damian Money

Species Account

Sutton & Beaumont, 1989: This moth is reported from only a few sites in each vice-county, but is usually described as frequent or common in birch woodland (though also bred from sycamore (JP pers. comm.)). Whether it is locally common or whether this merely shows the distribution of light traps in operation in the later months of the year is uncertain.

2012 (CHF): It is difficult to tell whether the fluctuations in numbers of this moth are genuine, due to weather conditions or due to variation in observer effort. After being hardly reported in 2008-10, there was a huge increase to 43 records in the warm late autumn of 2011. Probably fairly common in suitable habitat (eg 51 in birch woodland at Ellington Banks on 11.11.2004) and occasionally wandering to gardens.

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