63.122 Donacaula mucronella (Scarce Water-veneer)
ws: m22-26mm f29-35mm; Jun-Jul; common reed (Phragmites australis), reed sweet-grass (Glyceria maxima), sedges (Carex spp); NS-B in marshes and fens in S & SE England and C/N Scotland
Donacaula mucronella §1 male
ID: similar to D.forficella. D.mucronella can be distinguished by the presence of a sharply demarcated pale costal streak and the absence of a dark diagonal apical streak. Pleurota bicostella (Oecophoridae) has a similar forewing pattern but can be distinguished by the presence of 2 or 3 discal dots in the forewing and a narrow ascending S3 of the labial palps.
Dissection
Male genitalia
Female genitalia
§1 Strumpshaw Fen, Norfolk; 28/07/2012; male; fw 10.9mm
§2 Strumpshaw Fen, Norfolk; 28/07/2012; female; fw 14.6mm
§3 Strumpshaw Fen, Norfolk; 06/06/2016; male; fw 11.3mm
§4 Strumpshaw Fen, Norfolk; 25/05/2018
All images © Chris Lewis
§2 Strumpshaw Fen, Norfolk; 28/07/2012; female; fw 14.6mm
§3 Strumpshaw Fen, Norfolk; 06/06/2016; male; fw 11.3mm
§4 Strumpshaw Fen, Norfolk; 25/05/2018
All images © Chris Lewis
Page published 27/10/2012 (§1) | §2 added 01/11/2012 | §3 added 05/06/2017 | §4 added 08/03/2019
