S4. Distribution maps 1 of 53

. Distribution maps 1 of 53 Index Map Species Page Map Species Page 1 Aglais io 4 45 Colias aurorina 15 2 Aglais urticae 4 46 Colias caucasica 15 3 Anthocharis cardamines 4 47 Colias croceus 15 4 Anthocharis damone 4 48 Cupido alcetas 15 5 Anthocharis gruneri 5 49 Cupido argiades 16 6 Apatura ilia 5 50 Cupido decolorata 16 7 Apatura iris 5 51 Cupido minimus 16 8 Apatura metis 5 52 Cupido osiris 16 9 Aphantopus hyperantus 6 53 Cyaniris semiargus 17 10 Aporia crataegi 6 54 Danaus chrysippus 17 11 Arethusana arethusa 6 55 Erebia aethiops 17 12 Argynnis adippe 6 56 Erebia cassioides 17 13 Argynnis aglaja 7 57 Erebia epiphron 18 14 Argynnis niobe 7 58 Erebia euryale 18 15 Argynnis pandora 7 59 Erebia gorge 18 16 Argynnis paphia 7 60 Erebia ligea 18 17 Aricia agestis 8 61 Erebia medusa 19 18 Aricia anteros 8 62 Erebia melas 19 19 Aricia artaxerxes 8 63 Erebia oeme 19 20 Boloria dia 8 64 Erebia ottomana 19 21 Boloria euphrosyne 9 65 Erebia pandrose 20 22 Boloria graeca 9 66 Erebia pronoe 20 23 Boloria pales 9 67 Erebia rhodopensis 20 24 Boloria titania 9 68 Erebia triarius 20 25 Brenthis daphne 10 69 Erynnis marloyi 21 26 Brenthis hecate 10 70 Erynnis tages 21 27 Brenthis ino 10 71 Euchloe ausonia 21 28 Brintesia circe 10 72 Euchloe penia 21 29 Cacyreus marshalli 11 73 Eumedonia eumedon 22 30 Callophrys rubi 11 74 Euphydryas aurinia 22 31 Carcharodus alceae 11 75 Favonius quercus 22 32 Carcharodus floccifera 11 76 Gegenes nostrodamus 22 33 Carcharodus lavatherae 12 77 Gegenes pumilio 23 34 Carcharodus orientalis 12 78 Glaucopsyche alexis 23 35 Carterocephalus palaemon 12 79 Gonepteryx cleopatra 23 36 Celastrina argiolus 12 80 Gonepteryx farinosa 23 37 Charaxes jasius 13 81 Gonepteryx rhamni 24 38 Chazara briseis 13 82 Hamearis lucina 24 39 Coenonympha arcania 13 83 Hesperia comma 24 40 Coenonympha leander 13 84 Hipparchia fagi 24 41 Coenonympha orientalis 14 85 Hipparchia fatua 25 42 Coenonympha pamphilus 14 86 Hipparchia semele 25 43 Coenonympha rhodopensis 14 87 Hipparchia senthes 25 44 Colias alfacariensis 14 88 Hipparchia statilinus 25

. Distribution maps 2 of 53 Map Species Page Map Species Page 89 Hipparchia syriaca 26 135 Papilio alexanor 37 90 Hipparchia volgensis 26 136 Papilio machaon 37 91 Hyponephele lupinus 26 137 Pararge aegeria 38 92 Hyponephele lycaon 26 138 Parnassius apollo 38 93 Iolana iolas 27 139 Parnassius mnemosyne 38 94 Iphiclides podalirius 27 140 Phengaris alcon 38 95 Issoria lathonia 27 141 Phengaris arion 39 96 Kirinia climene 27 142 Pieris balcana 39 97 Kirinia roxelana 28 143 Pieris brassicae 39 98 Kretania sephirus 28 144 Pieris ergane 39 99 Lampides boeticus 28 145 Pieris krueperi 40 100 Lasiommata maera 28 146 Pieris mannii 40 101 Lasiommata megera 29 147 Pieris napi 40 102 Lasiommata petropolitana 29 148 Pieris rapae 40 103 Leptidea duponcheli 29 149 Plebejus argus 41 104 Leptidea juvernica 29 150 Plebejus argyrognomon 41 105 Leptidea sinapis 30 151 Plebejus idas 41 106 Leptotes pirithous 30 152 Polygonia c-album 41 107 Libythea celtis 30 153 Polygonia egea 42 108 Limenitis reducta 30 154 Polyommatus admetus 42 109 Lycaena alciphron 31 155 Polyommatus amandus 42 110 Lycaena candens 31 156 Polyommatus bellargus 42 111 Lycaena dispar 31 157 Polyommatus coridon 43 112 Lycaena ottomanus 31 158 Polyommatus damon 43 113 Lycaena phlaeas 32 159 Polyommatus daphnis 43 114 Lycaena thersamon 32 160 Polyommatus dorylas 43 115 Lycaena tityrus 32 161 Polyommatus eros 44 116 Lycaena virgaureae 32 162 Polyommatus escheri 44 117 Maniola jurtina 33 163 Polyommatus icarus 44 118 Melanargia galathea 33 164 Polyommatus ripartii 44 119 Melanargia larissa 33 165 Polyommatus thersites 45 120 Melanargia russiae 33 166 Pontia chloridice 45 121 Melitaea athalia 34 167 Pontia edusa 45 122 Melitaea cinxia 34 168 Pseudochazara amymone 45 123 Melitaea diamina 34 169 Pseudochazara anthelea 46 124 Melitaea didyma 34 170 Pseudochazara geyeri 46 125 Melitaea ornata 35 171 Pseudochazara tisiphone 46 126 Melitaea phoebe 35 172 Pseudophilotes vicrama 46 127 Melitaea trivia 35 173 Pyrgus alveus 47 128 Minois dryas 35 174 Pyrgus andromedae 47 129 Muschampia proto 36 175 Pyrgus armoricanus 47 130 Neptis rivularis 36 176 Pyrgus carthami 47 131 Nymphalis antiopa 36 177 Pyrgus cinarae 48 132 Nymphalis polychloros 36 178 Pyrgus malvae 48 133 Nymphalis xanthomelas 37 179 Pyrgus serratulae 48 134 Ochlodes sylvanus 37 180 Pyrgus sidae 48

. Distribution maps 3 of 53 Map Species Page Map Species Page 181 Pyronia cecilia 49 191 Tarucus balkanicus 51 182 Pyronia tithonus 49 192 Thecla betulae 51 183 Satyrium acaciae 49 193 Thymelicus acteon 52 184 Satyrium ilicis 49 194 Thymelicus lineola 52 185 Satyrium spini 50 195 Thymelicus sylvestris 52 186 Satyrium w-album 50 196 Vanessa atalanta 52 187 Satyrus ferula 50 197 Vanessa cardui 53 188 Scolitantides orion 50 198 Zerynthia cerisy 53 189 Spialia orbifer 51 199 Zerynthia polyxena 53 190 Spialia phlomidis 51 Legend: Observation from references (*) or non published data (**): strong evidence. Observation from references (*) or non published data (**): insufficient evidence. Observation from the two surveys: strong evidence. Observations from the two surveys: insufficient evidence. * References: Rebel & Zerny (1931), Moucha (1963), Alberti (1965), Popescu-Gorj A. 1971, Coutsis (1983), Abadjiev & Beshkov (1996a), Abadjiev & Beshkov (1996b), Misja & Kurrizi (1984), Gaskin (1990), Misja (1993), Beshkov (1995), Beshkov & Misja (1995), Misja (2003), Misja (2005), Striniqi-Laçej (2008), Płóciennik et al. (2009), Striniqi-Laçej & Misja (2013), Verovnik & Popović (2013), Šašić et al. (2015); Micevski et al. (2015), Micevski (2015), Sachanowicz et al. (2016). ** Non published data: Cuvelier & Mølgaard (2013), Vantieghem (2014) and Maertens (2015).

. Distribution maps 4 of 53 1 2 Aglais io Aglais urticae 3 4 Anthocharis cardamines Anthocharis damone

. Distribution maps 5 of 53 5 6 Anthocharis gruneri Apatura ilia 7 8 Apatura iris Apatura metis

. Distribution maps 6 of 53 9 10 Aphantopus hyperantus Aporia crataegi 11 12 Arethusana arethusa Argynnis adippe

. Distribution maps 7 of 53 13 14 Argynnis aglaja Argynnis niobe 15 16 Argynnis pandora Argynnis paphia

. Distribution maps 8 of 53 17 18 Aricia agestis Aricia anteros 19 20 Aricia artaxerxes Boloria dia

. Distribution maps 9 of 53 21 22 Boloria euphrosyne Boloria graeca 23 24 Boloria pales Boloria titania

. Distribution maps 10 of 53 25 26 Brenthis daphne Brenthis hecate 27 28 Brenthis ino Brintesia circe

. Distribution maps 11 of 53 29 30 Cacyreus marshalli Callophrys rubi 31 32 Carcharodus alceae Carcharodus floccifera

. Distribution maps 12 of 53 33 34 Carcharodus lavatherae Carcharodus orientalis 35 36 Carterocephalus palaemon Celastrina argiolus

. Distribution maps 13 of 53 37 38 Charaxes jasius Chazara briseis 39 40 Coenonympha arcania Coenonympha leander

. Distribution maps 14 of 53 41 42 Coenonympha orientalis Coenonympha pamphilus 43 44 Coenonympha rhodopensis Colias alfacariensis

. Distribution maps 15 of 53 45 46 Colias aurorina Colias caucasica 47 48 Colias croceus Cupido alcetas

. Distribution maps 16 of 53 49 50 Cupido argiades Cupido decolorata 51 52 Cupido minimus Cupido osiris

. Distribution maps 17 of 53 53 54 Cyaniris semiargus Danaus chrysippus 55 56 Erebia aethiops Erebia cassioides

. Distribution maps 18 of 53 57 58 Erebia epiphron Erebia euryale 59 60 Erebia gorge Erebia ligea

. Distribution maps 19 of 53 61 62 Erebia medusa Erebia melas 63 64 Erebia oeme Erebia ottomana

. Distribution maps 20 of 53 65 66 Erebia pandrose Erebia pronoe 67 68 Erebia rhodopensis Erebia triarius

. Distribution maps 21 of 53 69 70 Erynnis marloyi Erynnis tages 71 72 Euchloe ausonia Euchloe penia

. Distribution maps 22 of 53 73 74 Eumedonia eumedon Euphydryas aurinia 75 76 Favonius quercus Gegenes nostrodamus

. Distribution maps 23 of 53 77 78 Gegenes pumilio Glaucopsyche alexis 79 80 Gonepteryx cleopatra Gonepteryx farinosa

. Distribution maps 24 of 53 81 82 Gonepteryx rhamni Hamearis lucina 83 84 Hesperia comma Hipparchia fagi

. Distribution maps 25 of 53 85 86 Hipparchia fatua Hipparchia semele 87 88 Hipparchia senthes Hipparchia statilinus

. Distribution maps 26 of 53 89 90 Hipparchia syriaca Hipparchia volgensis 91 92 Hyponephele lupinus Hyponephele lycaon

. Distribution maps 27 of 53 93 94 Iolana iolas Iphiclides podalirius 95 96 Issoria lathonia Kirinia climene

. Distribution maps 28 of 53 97 98 Kirinia roxelana Kretania sephirus 99 100 Lampides boeticus Lasiommata maera

. Distribution maps 29 of 53 101 102 Lasiommata megera Lasiommata petropolitana 103 104 Leptidea duponcheli Leptidea juvernica

. Distribution maps 30 of 53 105 106 Leptidea sinapis Leptotes pirithous 107 108 Libythea celtis Limenitis reducta

. Distribution maps 31 of 53 109 110 Lycaena alciphron Lycaena candens 111 112 Lycaena dispar Lycaena ottomanus

. Distribution maps 32 of 53 113 114 Lycaena phlaeas Lycaena thersamon 115 116 Lycaena tityrus Lycaena virgaureae

. Distribution maps 33 of 53 117 118 Maniola jurtina Melanargia galathea 119 120 Melanargia larissa Melanargia russiae

. Distribution maps 34 of 53 121 122 Melitaea athalia Melitaea cinxia 123 124 Melitaea diamina Melitaea didyma

. Distribution maps 35 of 53 125 126 Melitaea ornata Melitaea phoebe 127 128 Melitaea trivia Minois dryas

. Distribution maps 36 of 53 129 130 Muschampia proto Neptis rivularis 131 132 2 Nymphalis antiopa Nymphalis polychloros

. Distribution maps 37 of 53 133 134 Nymphalis xanthomelas Ochlodes sylvanus 135 136 Papilio alexanor Papilio machaon

. Distribution maps 38 of 53 137 138 Pararge aegeria Parnassius apollo 139 140 Parnassius mnemosyne Phengaris alcon

. Distribution maps 39 of 53 141 142 Phengaris arion Pieris balcana 143 144 Pieris brassicae Pieris ergane

. Distribution maps 40 of 53 145 146 Pieris krueperi Pieris mannii 147 148 Pieris napi Pieris rapae

. Distribution maps 41 of 53 149 150 Plebejus argus Plebejus argyrognomon 151 152 Plebejus idas Polygonia c-album

. Distribution maps 42 of 53 153 154 Polygonia egea Polyommatus admetus 155 156 Polyommatus amandus Polyommatus bellargus

. Distribution maps 43 of 53 157 158 Polyommatus coridon Polyommatus damon 159 160 Polyommatus daphnis Polyommatus dorylas

. Distribution maps 44 of 53 161 162 Polyommatus eros Polyommatus escheri 163 164 Polyommatus icarus Polyommatus ripartii

. Distribution maps 45 of 53 165 166 Polyommatus thersites Pontia chloridice 167 168 Pontia edusa Pseudochazara amymone

. Distribution maps 46 of 53 169 170 Pseudochazara anthelea Pseudochazara geyeri 171 172 Pseudochazara tisiphone Pseudophilotes vicrama

. Distribution maps 47 of 53 173 174 Pyrgus alveus Pyrgus andromedae 175 176 Pyrgus armoricanus Pyrgus carthami

. Distribution maps 48 of 53 177 178 Pyrgus cinarae Pyrgus malvae 179 180 Pyrgus serratulae Pyrgus sidae

. Distribution maps 49 of 53 181 182 Pyronia cecilia Pyronia tithonus 183 184 Satyrium acaciae Satyrium ilicis

. Distribution maps 50 of 53 185 186 Satyrium spini Satyrium w-album 187 188 Satyrus ferula Scolitantides orion

. Distribution maps 51 of 53 189 190 Spialia orbifer Spialia phlomidis 191 192 Tarucus balkanicus Thecla betulae

. Distribution maps 52 of 53 193 194 Thymelicus acteon Thymelicus lineola 195 196 Thymelicus sylvestris Vanessa atalanta

. Distribution maps 53 of 53 197 198 Vanessa cardui Zerynthia cerisy 199 Zerynthia polyxena