Reference

Achille Casale, Pier Mauro Giachino, Dante Vailati (2018): Notes on the genus Duvalis in the Pindos chain (Greece), with descriptions of D. (Duvalius) owensi n.sp. and D. (Duvalius) loebli n.sp. (Coleoptera, Carabidae, Trechini) – Entomologische Blätter – 114: 133 - 143.