ID-tool for Carcharodus and Muschampia, adapted to the dynamic checklist of the Western Palearctic butterflies (url).
Red List,adapted to the dynamic checklist of the Western Palearctic butterflies (url).

Monographs of the Lycaeninae, adapted to the dynamic checklist of the Western Palearctic butterflies (url).
Atlas of the Lycaenidae, adapted to the dynamic checklist of the Western Palearctic butterflies (url).

Monographs of the Papilionidae, adapted to the dynamic checklist of the Western Palearctic butterflies (url).
Monographs of the Hesperiidae, adapted to the dynamic checklist of the Western Palearctic butterflies (url).
Monographs of the Pieridae, adapted to the dynamic checklist of the Western Palearctic butterflies (url).
Atlas of the Papilionidae, adapted to the dynamic checklist of the Western Palearctic butterflies (url).
Atlas of the Hesperiidae, adapted to the dynamic checklist of the Western Palearctic butterflies (url).
Atlas of the Pieridae, adapted to the dynamic checklist of the Western Palearctic butterflies (url).

Updated Red List. Status Heteropterus morpheus.
Updated General Chapter 9. Changed Fig. 2.
Updated monograph Pyrgus andromedae.
Adapted Updates.
Adapted Acknowledgements.
Adapted News. Updated Red List.

Updated monograph Papilio machaon. New photographs.
Updated monograph Parnassius mnemosyne. New photographs.
Updated monograph Thymelicus acteon. New photographs.
Updated monograph Thymelicus sylvestris. New photographs.
Updated monograph Carterocephalus palaemon. New photographs.
Updated monograph Heteropterus morpheus. New photographs.
Updated monograph Erynnis tages. New photographs.
Updated monograph Colias aurorina. New photographs.
Updated monograph Gonepteryx cleopatra. New photographs.
Updated monograph Gonepteryx farinosa. New photographs.
Updated monograph Aporia crataegi. New photographs.
Updated monograph Pieris brassicae. New photographs.
Updated monograph Pieris napi. New photographs.
Updated monograph Pieris rapae. New photographs.
Updated monograph Lycaena alciphron. New photographs.
Updated monograph Lycaena ottomana. New photographs.
Updated monograph Lycaena phlaeas. New photographs.
Updated monograph Lycaena tityrus. New photographs.
Updated monograph Aricia agestis. New photographs.
Updated monograph Aricia anteros. New photographs.
Updated monograph Cacyreus marshalli. New photographs.
Updated monograph Celastrina argiolus. New photographs.
Updated monograph Cupido osiris. New photographs.
Updated monograph Eumedonia eumedon. New photographs.
Updated monograph Iolana iolas. New photographs.
Updated monograph Lysandra bellargus. New photographs.
Updated monograph Polyommatus dorylas. New photographs.
Updated monograph Polyommatus thersites. New photographs.
Updated monograph Pseudophilotes bavius.New photographs.
Updated monograph Pseudophilotes vicrama. New photographs.
Updated monograph Scolitantides orion. New photographs.
Updated monograph Tarucus balkanicus. New photographs.
Updated monograph Satyrium acaciae. New photographs.
Updated monograph Satyrium ilicis. New photographs.
Updated monograph Satyrium spini. New photographs.
Updated monograph Hamearis lucina. New photographs.
Updated monograph Boloria euphrosyne. New photographs.
Updated monograph Brenthis daphne. New photographs.
Updated monograph Brenthis hecate. New photographs.
Updated monograph Libythea celtis. New photographs.
Updated monograph Limenitis reducta. New photographs.
Updated monograph Neptis rivularis. New photographs.
Updated monograph Euphydryas aurinia. New photographs.
Updated monograph Euphydryas maturna. New photographs.
Updated monograph Melitaea athalia. New photographs.
Updated monograph Melitaea cinxia. New photographs.
Updated monograph Melitaea diamina. New photographs.
Updated monograph Melitaea phoebe. New photographs.
Updated monograph Melitaea trivia. New photographs.
Updated monograph Nymphalis antiopa. New photographs.
Updated monograph Nymphalis xanthomelas. New photographs.
Updated monograph Polygonia egea. New photographs.
Updated monograph Vanessa atalanta. New photographs.
Updated monograph Vanessa cardui. New photographs.
Updated monograph Coenonympha arcania. New photographs.
Updated monograph Erebia medusa. New photographs.
Updated monograph Erebia pandrose. New photographs.
Updated monograph Hipparchia fatua. New photographs.
Updated monograph Lasiommata maera. New photographs.
Updated monograph Lasiommata megera. New photographs.
Updated monograph Maniola jurtina. New photographs.
Updated monograph Pararge aegeria. New photographs.
New monograph Pelopidas thrax.
Updated Acknowledgements.
Updated General Chapter 10.
Updated Monographs.
Updated Atlas.
Updated Atlas Hesperiidae.
Updated Checklist.
Updated Sources.

Added General Chapter 11. Red list.
Adapted General Chapters.
Adapted Updates.
Adapted Content.