70.274 (1951) Grey Birch Aethalura punctulata ([Denis & Schiffermüller], 1775)

Status
Resident. Scarce.
 
Flight period
J F M A M J J A S O N D
























 
History
First record came as late as 20th May 1971 when it was found at Glentrool (VC73). It was not found again until May 1993, this time on Kirkconnell Flow NNR.
 
During 1999-2010, of the fourteen records, three each were from Cally Woods and Carsfad near Dalry, singly at Glenhead, Gatehouse of Fleet, Kirkconnell Flow NNR, Blackbellie Hill (all VC73), with a single at Kirkton (VC72) and one at Mochrum (VC74).
 
Life cycle
One generation. Overwinters as a pupa just below the surface. Lartvae present June to late August.
 
Larval foodplants
Downy Birch and Silver Birch.
 
Identification
Four blackish blotches on the costa of greyish rounded forewings, and a small central dot, should aid identity.
 
Habitat
Well established sites of birch woodland or scrub.
© Alison Robertson, Castle Wood, 28 April 2011

Local distribution map

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Distribution map displays records from the National Biodiversity Network (See terms and conditions).

The following datasets are included:

  • Butterfly Conservation - Macro-moth provisional distribution for the British Isles (excluding the Republic of Ireland) from the National Moth Recording Scheme
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