04.099 Ectoedemia occultella (Large Birch Pigmy)
ws: 6-7mm (MBGBI1); May-Jun*; leaf-mine birch (Betula spp) Aug-Oct; common throughout GB
*Jun-Jul according to MBGBI1 - but this seems to be incorrect
*Jun-Jul according to MBGBI1 - but this seems to be incorrect
Ectoedemia occultella §1 female
ID: Male head and collar blackish; female head and collar ferruginous yellow. Forewing black with violet reflections; whitish median fascia, sometimes broken in middle; cilia shining grey in male, pale yellow-grey in middle of termen in female. Genital dissection necessary to distinguish from similar species.
Female genitalia: signa fairly short; sclerite in ductus bursae with an anterior process and a small inward bulge in its posterior margin.
Female genitalia: signa fairly short; sclerite in ductus bursae with an anterior process and a small inward bulge in its posterior margin.
§1 Pound Wood, Essex; 02/06/2021; female; fw 3.4mm; to light
All images © Chris Lewis
All images © Chris Lewis
Page published 14/11/2021 (§1)
