Order Lepidoptera – butterflies & moths
   Superfamily Papilionoidea
      Family Lycaenidae – Hairstreaks, Coppers, Blues, Duke of Burgundy
         Subfamily Lycaeninae – Lycaena
         Subfamily Polyommatinae – Cacyreus, Celastrina, Cupido, Everes, Lampides, Lysandra, Phengaris, Plebejus, Polyommatus
         Subfamily Theclinae – Callophrys, Favonius, Satyrium, Thecla
         Subfamily Incertae sedis – Aricia, Cyaniris

The following are on the UKBAP list – Aricia artaxerxes (Northern Brown Argus), Cupido minimus (Small Blue), Maculinea arion (Large Blue butterfly), Plebejus argus (Silver-studded Blue), Satyrium w-album (White-letter hairstreak), Thecla betulae (Brown hairstreak)