73.004 Thysanoplusia orichalcea (Slender Burnished Brass)
fw: 17-20mm (Waring & Townsend); mainly Aug-Oct; scarce migrant with 137 British records (to 2021)
ID: Brassy yellow panel occupies most of the postmedian area with a narrow extension towards the base. Somewhat similar to Diachrysia chrysitis in which the basal patch of brassy yellow or green extends to both costa and dorsum.
§1 St Mary's, Isles of Scilly; 21/10/2022; male; fw 18.0mm
§2 St Mary's, Isles of Scilly; 10/09/2022; male; fw 18.7mm
All images © Chris Lewis
§2 St Mary's, Isles of Scilly; 10/09/2022; male; fw 18.7mm
All images © Chris Lewis
Page published 31/10/2022 (§1), dissection images and §2 added 28/11/2022