37.104 Coleophora adspersella (Dusted Case-bearer)
ws: 13-16mm; Jun-Aug; grass-leave orache (Atriplex littoralis), sea-purslane (Halimione portulacoides); NS-B in England & Wales S of Wash-Mersea line
Coleophora adspersella §1 male
ID: Forewing with distinct longitudinal white streaks, with oblique streaks on or between veins extending to costa, with scattered fuscous scales > 12 species which require genital dissection to distinguish - although the ochreous barring of the antenna may exclude all but C.versurella which has relatively few fuscous scales.
Male genitalia: Sacculus with a distinct posterior process which crosses the valva and is directed medially; lateral margin of sacculus not crenulate.
Male genitalia: Sacculus with a distinct posterior process which crosses the valva and is directed medially; lateral margin of sacculus not crenulate.
DIssection
Male genitalia
Female genitalia
§1 Foulness, Essex; 05/08/2012; male; fw 6.9mm
§2 Foulness, Essex; 03/08/2018; female; fw 7.2mm
All images © Chris Lewis
§2 Foulness, Essex; 03/08/2018; female; fw 7.2mm
All images © Chris Lewis
Page published 08/02/2013 (§1) | §2 added 18/02/2019
