Neozephyrus quercus purple hairstreak. Photo by Dr Jim Asher (UK)

Neozephyrus quercus purple hairstreak. Photo by Dr Jim Asher (UK)

Neozephyrus quercus purple hairstreak. Photo by Dr Jim Asher (UK)

Thecla betulae brown hairstreak. Photo by Dr Jim Asher (UK)

Thecla betulae brown hairstreak. Photo by Dr Jim Asher (UK)

Thecla betulae brown hairstreak. Photo by Dr Jim Asher (UK)

Satyrium spini blue-spot hairstreak. Photo by Dr Jim Asher

Satyrium spini blue-spot hairstreak. Photo by Dr Jim Asher

Satyrium pruni black hairstreak. Photo by Dr Jim Asher

Satyrium w-album white-letter hairstreak. Photo by Dr Jim Asher (UK)

Lycaena virgaureae scarce copper. Photo by Dr Jim Asher

Lycaena hippothoe purple-edged copper. Photo by Dr Jim Asher

Lycaena dispar large copper.Photo by Dr Jim Asher (UK 1983)

Lycaena dispar large copper.Photo by Dr Jim Asher (UK 1983)

Lycaena dispar large copper.Photo by Dr Jim Asher

Lycaena dispar large copper.Photo by Dr Jim Asher

Lycaena alciphron purple-shot copper. Photo by Paul Kirkland

Albastrelul pitic (Cupido minimus) small blue. Photo by Paul Kirkland (UK)

Albastrelui Argus femeie (Plebeius argus) silver-studded blue. Photo by Dr Jim Asher (UK)

Albastrelui Argus masculin (Plebeius argus) silver-studded blue. Photo by Dr Jim Asher (UK)

Albastrelui Argus masculin (Plebeius argus) silver-studded blue. Photo by Dr Jim Asher (UK)

Albastrelui azuriu masculin (Lysandra bellargus) adonis blue. Photo by Dr Jim Asher (UK)

Albastrelui azuriu (Lysandra bellargus) adonis blue. Photo by Dr Jim Asher (UK)

Albastrelui azuriu masculin si femeie (Lysandra bellargus) adonis blue. Photo by Dr Jim Asher (UK)

Albastrelui argintiu masculin (Lysandra coridon) chalkhill blue. Photo by Dr Jim Asher (UK)

Albastrelui argintiu masculin (Lysandra coridon) chalkhill blue. Photo by Dr Jim Asher (UK)

Albastrelui argintiu femeie (Lysandra coridon) chalkhill blue. Photo by Dr Jim Asher (UK)

Albastrelui comun masculin (Polyommatus icarus) common blue. Photo by Dr Jim Asher (UK)

Albastrelui comun (Polyommatus icarus) common blue. Photo by Dr Jim Asher (UK)

Aricia agestis brown argus. Photo by Dr Jim Asher (UK)

Aricia agestis brown argus. Photo by Dr Jim Asher (UK)

(Lampides boeticus) long-tailed blue. Photo by Dr Jim Asher

Albastrelui mare al cimbrisorului (Maculinea arion arion) large blue. Photo by Dr Jim Asher (UK)

Albastrelui trifoliului rosu (Cyaniris semiargus) mazarine blue. Photo by Dr Jim Asher

Albastrelui trifoliului rosu (Cyaniris semiargus) mazarine blue. Photo by Dr Jim Asher (Alps)

(Everes agriades) short-tailed blue. Photo by Dr Jim Asher

(Everes alcetas) Provencal short-tailed blue. Photo by Dr Jim Asher

(Everes alcetas) Provencal short-tailed blue. Photo by Dr Jim Asher

Albastrelui de crusin (Celastrina argiolus) holly blue. Photo by Dr Jim Asher (UK)

Albastrelui de crusin (Celastrina argiolus) holly blue. Photo by Dr Jim Asher (UK)