49.264 Eucosma obumbratana (Shaded Tortrix)
ws: 14-20mm; Jul-Aug; perennial sow-thistle (Sonchus arvensis); local in England & Wales
Synonym: Catoptria expallidana (Pierce & Metcalfe)
Synonym: Catoptria expallidana (Pierce & Metcalfe)
ID: generally distinguishable from its congeners by the extensive pale dorsal area of the forewing.
Male genitalia: valval architecture intermediate between E.cana and E.hohenwartiana; identifiable by the presence of a pulvinus which is (usually) lacking in the other two species. See Eucosma for more detail
Male genitalia: valval architecture intermediate between E.cana and E.hohenwartiana; identifiable by the presence of a pulvinus which is (usually) lacking in the other two species. See Eucosma for more detail
DIssection
Male genitalia
Female genitalia
§1 Foulness, Essex; 01/08/2009; male; fw 9.0mm
§2 Foulness, Essex; 01/08/2009; male; fw 9.0mm
§3 Foulness, Essex; 18/08/2012; male
§4 Foulness, Essex; 19/07/2014; female
§5 Foulness, Essex; 19/07/2014; male
§6 Foulness, Essex; 13/08/2016; male; fw 8.9mm
§7 Westcliff-on-sea, Essex; 20/07/2018; female; fw 8.3mm
§8 Dungeness, Kent; 12/07/2019; male; fw 7.4mm
All images © Chris Lewis
§2 Foulness, Essex; 01/08/2009; male; fw 9.0mm
§3 Foulness, Essex; 18/08/2012; male
§4 Foulness, Essex; 19/07/2014; female
§5 Foulness, Essex; 19/07/2014; male
§6 Foulness, Essex; 13/08/2016; male; fw 8.9mm
§7 Westcliff-on-sea, Essex; 20/07/2018; female; fw 8.3mm
§8 Dungeness, Kent; 12/07/2019; male; fw 7.4mm
All images © Chris Lewis
Page published 28/01/2013 (§1-3) | §4&5 added 18/08/2014 | §6 added 07/05/2017 | §7 added and numbering corrected 27/04/2019 |
§8 added 24/05/2019
§8 added 24/05/2019