49.367 Pammene fasciana (Acorn Piercer)
ws: 13-17mm; May-Aug; oak (Quercus), sweet chestnut (Castanea sativa); local throughout GB, more common in south
Synonym: Pammene juliana (Pierce & Metcalfe). Considered conspecific with P.herrichiana in BTM.
Synonym: Pammene juliana (Pierce & Metcalfe). Considered conspecific with P.herrichiana in BTM.
Pammene fasciana §1 female
ID: Characterised by the large medio-dorsal blotch extending towards the apex at its costal end; 2 or 3 black spots proximal to the ocellus and a series of black dashes in the ocellus. P herrichiana is similar but has a darker grey suffusion, reduced ochreous colouration, weaker ocellus and its medio-dorsal blotch truncate.
§1 Ham Fen, Kent; 15/07/2010; female; fw 7.3mm
§2 Ardnamurchan, Highlands; 08/07/2012; female
§3 Westcliff-on-sea, Essex; 15/08/2012; male; fw 7.0mm
§4 Arne, Dorset; 03/07/2016; male; fw 7.0mm to light
§5 Westcliff-on-sea, Essex; 19/07/2016; male; fw 7.0mm; to light
§6 New Forest, Hampshire; 15/05/2018; female; fw 6.7mm
§7 Stour Wood, Essex; 08/07/2021; male; fw 7.9mm
All images © Chris Lewis
§2 Ardnamurchan, Highlands; 08/07/2012; female
§3 Westcliff-on-sea, Essex; 15/08/2012; male; fw 7.0mm
§4 Arne, Dorset; 03/07/2016; male; fw 7.0mm to light
§5 Westcliff-on-sea, Essex; 19/07/2016; male; fw 7.0mm; to light
§6 New Forest, Hampshire; 15/05/2018; female; fw 6.7mm
§7 Stour Wood, Essex; 08/07/2021; male; fw 7.9mm
All images © Chris Lewis
Page published 04/02/2013 (§1-3) | §4 added 29/11/2016 | §5 added 19/05/2017 | §6 added 25/02/2019 | §7 added 07/08/2021
