Acknowlegements

Cassar Louis F.
Malta.

Catania A.
Malta.

Danahar Dan.
Corfu.

Dincă Vlad.
Romania. Comments on a preliminary draft of the Introduction.

Đurić Milan.
Serbia.

Gór Adam.
Hungary.

Huemer Peter.
Austria and Liechtenstein.

John Eddie.
Cyprus.

Manil Luc.
Comments on a preliminary draft and editing of the Introduction.

Marabuto Eduardo.
Portugal. Comments on the Checklist (28.iii.2024).

Mølgaard Morten Schneider.
Denmark and Faroe Islands.

Mutanen Marko.
Finland.

Palmi Paolo.
Italy, Tuscan Archipelago, Sardinia, Pontic Islands, Aeolian Islands, Sicily, Lampedusa and Pantellaria.

Pamperis Lazaros.
Greece, Ionian Islands, Sporades, Euboea, North Aegean Islands, Cyclades, Crete, East Aegean Islands and Dodecanese Islands.

Pastorális Gabriel.
Slovakia.

Radevski Đorđje.
Serbia.

Russell Peter Cyril.
Melitaea phoebe and Melitaea ornata distribution. Comments on a preliminary draft of the Introduction.

Sachanowicz Konrad.
Poland.

Vila Roger.
Spain. Comments on a preliminary draft of the Introduction.