Zygaena (Zygaena) trifolii subsyracusia Verity, 1925

Zygaena trifolii subsyracusia Verity, 1925, The Entomologist’s Record and Journal of Variation 37: 117, pl. 8, figs 31-33 ( Zygaena); 1926, ibidem 38: 25 ( Zygaena). Type-locality. France: Morbihan, Plouharnel; Channel Islands.

Zygaena trifolii vindilisensis Leraut, 2012, Moths of Europe 3: 87, pl. 14, figs 20, 21. Type-locality. France: Morbihan, Belle-Ile-en-Mer. Syn. n.

Distribution and taxonomic notes.

Zygaena trifolii varies in phenotype from year to year, even within the same colony (A. Hofmann and W. G. Tremewan pers. obs.). Hence, specimens taken from the same island (Belle-Ile-en-Mer) in different years may not match the original description (E. Drouet pers. comm.). On this basis, Zygaena trifolii vindilisensis is synonymised (syn. n.) with Zygaena trifolii subsyracusia, a subspecies that is distributed along the coastal regions of north-western France, from Loire-Atlantique to Côtes-d’Armor and Ille-et-Villaine, and is also found in the Channel Islands (Hofmann and Tremewan 1996: 185).