65.012 Thetheella fluctuosa (Satin Lutestring)
fw: 17-21mm; Jun-Aug; birch (Betula spp); local in established broad-leaved woodland throughout GB.
Tetheella fluctuosa (Satin Lutestring) §4 male
ID: Similar to Ochropacha duplaris (Common Lutestring) but differs in: size, O.duplaris being smaller albeit with some overlap (fw 14-18mm); a small dark crescent in the centre of the forewing in T.fluctuosa, 2 dark spots being in this position in O.duplaris; and a diagonal dark dash near the forewing apex which meets the costa coincident with a pale subterminal line in T.fluctuosa and at the apex in O.duplaris.
§1 Ardnamurchan; 10/07/2012
§2 Ardnamurchan; 10/07/2012; fw 17.8mm; male
§3 Buttermere, Cumbria; 24/06/2014
§4 Buttermere, Cumbria; 26/06/2014; fw 18.9mm; male
§5 Torver, Cumbria; 13/07/2015; female; fw 19.1mm; to light
§6 Orlestone Forest, Kent; 11/07/2018; male; fw 16.7mm
§7 Orlestone Forest, Kent; 11/07/2018; male
§8 Orlestone Forest, Kent; 17/06/2020; female; fw 17.5mm
§9 Kishorn, Ross & Cromarty; 24/06/2022
All Images © Chris Lewis
§2 Ardnamurchan; 10/07/2012; fw 17.8mm; male
§3 Buttermere, Cumbria; 24/06/2014
§4 Buttermere, Cumbria; 26/06/2014; fw 18.9mm; male
§5 Torver, Cumbria; 13/07/2015; female; fw 19.1mm; to light
§6 Orlestone Forest, Kent; 11/07/2018; male; fw 16.7mm
§7 Orlestone Forest, Kent; 11/07/2018; male
§8 Orlestone Forest, Kent; 17/06/2020; female; fw 17.5mm
§9 Kishorn, Ross & Cromarty; 24/06/2022
All Images © Chris Lewis
Page published 25/09/2014 (§1-4) | §5 added 27/03/2016 | §6&7 added 20/05/2019 | §8 added 24/01/2021 | §9 added 11/12/2022
