49.070 Acleris rhombana (Rhomboid Tortrix)
ws: 13-19mm; Aug-Oct; rosaceous trees and shrubs; common throughout GB
Synonym: Peronea reticulata (Pierce & Metcalfe)
Synonym: Peronea reticulata (Pierce & Metcalfe)
ID: Polymorphic and variable but usually recognisable from the subfalcate apex and reticulate pattern of the forewing.
Form contaminata: ground colour light ochreous-yellow, median fascia produced towards and confluent with pre-apical spot
Form obscurana: ground colour dark orange, median fascia stronger and dilated in dorsal half, pre-apical spot small or obsolete
Form ciliana: ground colour light to dark ochreous-brown, median fascia well-developed in costal half only (commonest form)
Form reticulata: ground colour light ochreous-yellow, median fascia well-developed in costal half only
Form dimidiana: ground colour dark fuscous-brown, markings obsolescent (least common form)
A disco-cellular scale-tuft is sometimes present.
Form contaminata: ground colour light ochreous-yellow, median fascia produced towards and confluent with pre-apical spot
Form obscurana: ground colour dark orange, median fascia stronger and dilated in dorsal half, pre-apical spot small or obsolete
Form ciliana: ground colour light to dark ochreous-brown, median fascia well-developed in costal half only (commonest form)
Form reticulata: ground colour light ochreous-yellow, median fascia well-developed in costal half only
Form dimidiana: ground colour dark fuscous-brown, markings obsolescent (least common form)
A disco-cellular scale-tuft is sometimes present.
§1 Foulness, Essex; 16/09/2007; fw 7.9mm; f.ciliana
§2 Foulness, Essex; 28/09/2008; f.obscurana §3 Foulness, Essex; 20/09/2009; male; f.ciliana §4 Foulness, Essex; 19/09/2010; f.contaminata §5 Foulness, Essex; 19/09/2010; f.ciliana §6 Foulness, Essex; 19/09/2010; f.dimidiana §7 Foulness, Essex; 19/10/2012; female; f.ciliana §8 Foulness, Essex; 08/09/2013; fw 8.3mm; f.reticulata? §9 Foulness, Essex; 17/08/2014; male; fw 8.2mm; f.contaminata All images © Chris Lewis |
§10 Foulness, Essex; 24/09/2016; f.ciliana
§11 Foulness, Essex; 26/08/2017; female; fw 8.1mm; f.contaminata §12 Arrochar, Argyll; 15/09/2017; male; fw 8.3mm §13 Foulness, Essex; 13/08/2022; male; fw 8.8mm; f.obscurana |
Page published 12/11/2012 (§1-7) | §8 added 26/04/2014 | §9 added 08/11/2014 | §10 added and numbering corrected 14/05/2017 |
§11 added 23/11/2017 | §12 added 31/12/2017
§11 added 23/11/2017 | §12 added 31/12/2017