37.005 Coleophora lutipennella (Common Oak Case-bearer)
ws10-12mm; Jul-Aug; deciduous oak (Quercus spp); common in oak woodland in England & Wales
Coleophora lutipennella §4 female
ID: Forewing without longitudinal streaks or white markings; not metallic; antenna white, ringed fuscous throughout, proximal segments not thickened; forewing not grey and without stigma. If it is possible to determine that the forewing is ochreous-orange rather than ochreous-brown (as in the key in MBGBI3) then > C.flavipennella/lutipennella. I suspect this distinction will not usually be reliable so > 13 species which require genital dissection to determine.
Male genitalia: very distinctive in having a very large aedeagus; sacculi almost entirely separated from the valvae; sacculae with multiple spines on the ventral surface and a short apical point.
Female genitalia: Signum moderate, spike longer than width of base plate; introitus vaginae broad, sclerotised and extending much further than length of subgenital plate beyond the subgenital plate, narrowing at junction with ductus bursae.
Male genitalia: very distinctive in having a very large aedeagus; sacculi almost entirely separated from the valvae; sacculae with multiple spines on the ventral surface and a short apical point.
Female genitalia: Signum moderate, spike longer than width of base plate; introitus vaginae broad, sclerotised and extending much further than length of subgenital plate beyond the subgenital plate, narrowing at junction with ductus bursae.
Dissection
Male genitalia
Female genitalia
§1 Strumpshaw Fen, Norfolk; 28/07/2012; male; fw 5.6mm
§2 Cherry Orchard CP, Essex; 22/07/2014; male; fw 5.9mm
§3 Belfairs Woods, Essex; 18/07/2014; male; fw 5.9mm
§4 Belfairs Woods, Essex; 18/07/2014; female; fw 5.8mm
§5 Foulden Common, Norfolk; 29/06/2017; male; fw 5.3mm
§6 Orlestone Forest, Kent; 11/07/2018; male; fw 5.6mm
All images © Chris Lewis
§2 Cherry Orchard CP, Essex; 22/07/2014; male; fw 5.9mm
§3 Belfairs Woods, Essex; 18/07/2014; male; fw 5.9mm
§4 Belfairs Woods, Essex; 18/07/2014; female; fw 5.8mm
§5 Foulden Common, Norfolk; 29/06/2017; male; fw 5.3mm
§6 Orlestone Forest, Kent; 11/07/2018; male; fw 5.6mm
All images © Chris Lewis
Page published 28/10/2012 (§1) | §2 added 29/07/2014 | §3&4 added 19/01/2015 | §5 added 08/04/2018 | §6 added 04/10/2018
