090 Eulithis testata (Chevron)

GEOMETRIDAE | Larentiinae | Cidariini

70.090 Eulithis testata (Chevron)

fw: 13-19mm; Jul-Sep; sallows (Salix spp), aspen (Populus tremula), birch (Betula spp); common throughout GB, especially on moorland and upland grassland

Eulithis testata (Chevron) §2

ID: Variable in colour from bright orange-brown to dark reddish-brown and in the amount of whitish frosting. Characterised by the 'V'-shaped central forewing cross-band; short diagonal white line at apex edging a triangular orange/brown blotch in the costal half of the termen; and by the white frosting. E.populata (Northern Spinach) is somewhat similar but it has a less angular cross-band, lacks the whitish frosting and it has a short diagonal dark line at the forewing apex.

Variation
Dissection
Male genitalia
Female genitalia

§1 Newborough Forest, Anglesey; 01/08/2007
§2 Aberfoyle, Perthshire; 21/08/2008; fw 16.0mm
§3 Surlingham, Norfolk; 24/07/2009
§4 Sutton Fen, Norfolk; 12/08/2009
§5 Ham Fen, Kent; 10/08/2010
§6 New Forest, Hampshire; 31/08/2013; female; fw 15.1mm
§7 Kintail, Ross-shire; 07/09/2014; male; fw 14.0mm
§8 Kintail, Ross-shire; 07/09/2014; male; fw 15.0mm
§9 Foulden Common, Norfolk; 14/08/2016
All images © Chris Lewis

§10 New Forest, Hampshire; 14/08/2018; male; fw 14.7mm
§11 New Forest, Hampshire; 18/07/2020; female; fw 11.9mm!