73.313 Euxoa tritici (White-line Dart)
fw: 13-17mm; Jul-Aug; various herbaceous plants; common throughout GB.
Euxoa tritici (White-line Dart) §2 male
ID: Forewing ground colour ranges from sandy to blackish-grey, tending to be paler on sandy soils and heathland and dark on peaty moorland. It can usually be identified by a series of ~6 short black streaks or arrow-heads in the terminal area of the forewing. A pale subcostal stripe is often (but not always) present and gives this species its English name. On the forewing underside E.cursoria (Coast Dart) has a large blurred kidney mark with a pale band distal to it, E.tritici has a small crescent mark and no pale band; on the hindwing underside E.tritici has a terminal band of dark shading which is not seen in E.cursoria. (Waring and Townsend is confusing about these underside features - which are illustrated and better described in MBGBI9 p133).
Dissection
Male genitalia
Female genitalia
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§1 Ham Fen, Kent; 15/07/2010; male fw 14.8mm
§2 Ham Fen, Kent; 15/07/2010; male fw 15.9mm §3 Ham Fen, Kent; 15/07/2010; male fw 15.3mm §4 Foulness, Essex; 30/07/2011; female; fw 16.7mm §5 Foulness, Essex; 20/07/2013; female; fw 16.7mm §6 Foulness, Essex; 26/07/2014 §7 Winterton, Norfolk; 06/08/2015; male; fw 15.8mm §8 Winterton, Norfolk; 06/08/2015; male; fw 13.4mm §9 Winterton, Norfolk; 06/08/2015; male; All images © Chris Lewis |
§10 Winterton, Norfolk; 06/08/2015; male; fw 14.4mm
§11 Snettisham, Norfolk; 24/07/2014; male; fw 14.2mm §12 Dungeness, Kent; 26/07/2017; female; fw 14.3mm §13 Dungeness, Kent; 26/07/2017; male; fw 14.3mm §14 Dungeness, Kent; 12/07/2018; female; fw 14.2mm |
Page published 16/01/2017 (§1-11) | §12&13 added 15/04/2018 | §14 added 25/05/2019
