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Figure 14 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 14. Distribution of Brenthis ino (Rottemburg, 1775) in Bulgaria. Species maps legend: empty circle – locality before 1980, empty circle with bold black margin – locality between 1980 to present article, black circle – new records.

Figure 11 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 11. Distribution of Kirinia climene (Esper, [1783]) in Bulgaria. Species maps legend: empty circle – locality before 1980, empty circle with bold black margin – locality between 1980 to present article, black circle – new records.

Figure 10 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 10. Top left Melitaea diamina (Lang, 1789), upperside. Top right Melitaea diamina, underside. Bottom left Brenthis ino (Rottemburg, 1775), upperside. Bottom right Brenthis ino, underside.

Figure 8 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 8. Top left Lycaena helle, mating pair - underside. Top right Kirinia climene (Esper, [1783]), ♀ upperside. Middle left Kirinia climene, ♀ underside. Middle right Kirinia climene, ♂ underside. Bottom left Apatura metis Freyer, 1829, upperside. Bottom right Apatura metis, underside.

Figure 7 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 7.. Top left Muschampia cribrellum (Eversmann, 1841), upperside. Top right Muschampia cribrellum, underside. Middle left Muschampia tessellum (Hübner, [1803]), upperside. Middle right Muschampia tessellum, underside. Bottom left Lycaena helle ([Denis & Schiffermüller], 1775), ♂ upperside. Bottom right Lycaena helle, ♀ upperside.

Figure 6 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 6. Top [SR12] near Topli Dol Village, habitat of Carcharodus lavatherae, C. flocciferus, Zerynthia polyxena, Z. cerisy, Parnassius apollo, Pieris mannii, P. balcana, Maculinea arion, Scolitantides orion, Plebejus sephirus, P. anteros, Polyommatus daphnis, Hipparchia volgensis, Neptis rivularis, N. sappho, Melitaea aurelia. Bottom [SR18] above Gorni Krivodol, habitat of Pyrgus carthami, Maculinea arion, M. alcon, Scolitantides orion, Plebejus argyrognomon, Polyommatus dorylas, P. ripartii, Coenonympha leander, Satyrus ferula, Melitaea arduinna, Brenthis ino, Clossiana dia.

Figure 4 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 4. Top [BG37] Chepan Hill, NE of Dragoman, habitat of Euchloe ausonia, Pieris mannii, P. ergane, Maculinea alcon, Polyommatus ripartii, Kirinia roxelana, K. climene, Hipparchia volgensis, Satyrus ferula, Brenthis hecate, Clossiana dia. Bottom [SR5] Babin Zub, near Doychino Vrelo, habitat of Lycaena candens, Polyommatus eros, Erebia orientalis, E. alberganus, Coenonympha leander, C. rhodopensis, Melitaea arduinna, Clossiana eunomia.

Figure 13 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 13. Distribution of Melitaea diamina (Lang, 1789) in Bulgaria. Species maps legend: empty circle – locality before 1980, empty circle with bold black margin – locality between 1980 to present article, black circle – new records.

Figure 3 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 3. Top [BG27] above Komshtitsa Village, habitat of Muschampia cribrellum, Leptidea duponcheli, Pieris ergane, Glaucopsyche alexis, Plebejus sephirus, Plebejus anteros, Erebia alberganus, Coenonympha leander, Kirinia climene, Chazara briseis, Limenitis populi, Neptis rivularis, N. sappho, Melitaea arduinna, M. aurelia. Bottom [BG29] near Gubesh Village, habitat of Muschampia cribrellum, Pyrgus carthami, Parnassius mnemosyne, Lycaena dispar, Cupido osiris, Scolitantides orion, Pseudophilotes vicrama, Limenitis reducta.

Figure 9 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 9. Top left Nymphalis vaualbum ([Denis & Schiffermüller], 1775), upperside. Top right Nymphalis vaualbum, underside. Middle left Melitaea didyma (Esper, [1778]), aberration - upperside. Middle right Melitaea didyma, aberration - underside. Bottom left Melitaea arduinna (Esper, [1783]), ♂ upper- and underside. Bottom right Melitaea arduinna, ♀ upperside.

Figure 2 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 2. Top [BG4] & [BG5] above Stakevtsi Village, habitat of Plebejus artaxerxes, Polyommatus amandus, P. eros, Erebia aethiops, Apatura iris, A. ilia, Neptis sappho, Nymphalis vaualbum, Melitaea diamina, M. arduinna, Brenthis ino. Bottom [BG22] Tri Kladentsi place, near Vrazha Glava Peak, habitat of Carterocephalus palaemon, Lycaena helle, Plebejus eumedon, Erebia orientalis, Coenonympha rhodopensis, Lasiommata petropolitana.

Figure 1 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 1. Map of the localities (numbered as waypoints). Maps legend: blue lines – rivers, red line – country border, grey area – Western Stara Planina Mts.

Figure 12 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 12. Distribution of Melitaea arduinna (Esper, [1783]) in Bulgaria. Species maps legend: empty circle – locality before 1980, empty circle with bold black margin – locality between 1980 to present article, black circle – new records.

Figure 5 in New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea)

Figure 5. Top [SR7] Babin Zub, Markova Livada, habitat of Pyrgus sidae, Parnassius mnemosyne, Plebejus artaxerxes, Erebia orientalis, E. alberganus, E. medusa, E. oeme, Coenonympha rhodopensis, Lasiommata petropolitana, Clossiana eunomia. Bottom [SR9] Bigar Waterfall, habitat of Thymelicus acteon, Lycaena dispar, Maculinea arion, Glaucopsyche alexis, Pseudophilotes vicrama, Apatura iris, A. ilia, A. metis, Araschnia levana, Melitaea arduinna, M. diamina, Brenthis ino, B. hecate.

Fig. 13 in New Barremian rhynchonellide brachiopod genus from Serbia and the shell microstructure of Tetrarhynchiidae

Fig. 13. Correlation of shell microstructure and type of crura in the various superfamilies of post−Paleozoic Rhynchonellida (unpublished data of NM−D and Miguel Manceñido; published with permission).

Fig. 10 in New Barremian rhynchonellide brachiopod genus from Serbia and the shell microstructure of Tetrarhynchiidae

Fig. 10. Rhynchonellide brachiopod Antulanella pancici (Antula, 1903), Barremian, Crnoljevica, Svrljiške Planine Mountains, eastern Serbia. A. SEM micrographs of transverse sections of the shell RGF VR 24/61. A1. Rib of ventral valve, primary microgranular layer (pl), secondary layer. Silicified organic sheets crossing the section (arrow). A2. Sulcus of ventral valve, primary microgranular layer (pl) above, secondary layer with finer fibrous sublayer, overgrown by diagenetic calcite prisms (dcp). Subparallel silicified organic sheets crossing the shell (arrow). A3. Boundary between the primary microgranular layer and secondary fibrous layer, finer anisometric fibres in the outermost part of the shell, close to boundary; rib of a ventral valve. A4. Anisometric anvil−like fibres of the secondary layer in a sulcus. A5. "Diabolo" type sections of the crura. B. Distal splitting of the crura into parallel plates; better seen on the right crus, specimen RGF VR 25/484 (SEM micrograph taken from an acetate peel).

Fig. 8 in New Barremian rhynchonellide brachiopod genus from Serbia and the shell microstructure of Tetrarhynchiidae

Fig. 8. Transverse serial sections of Antulanella pancici (Antula, 1903) through specimen RGF VR 23/83, Barremian, Crnoljevica, Svrljiške Planine Mountains, eastern Serbia. Original dimensions of the specimen (in mm): L = 13.2, W = 12.7, T = 9.3. Numbers indicate distance in mm from the tip of the ventral umbo.

Fig. 7 in New Barremian rhynchonellide brachiopod genus from Serbia and the shell microstructure of Tetrarhynchiidae

Fig. 7. Transverse serial sections of Antulanella pancici (Antula, 1903) through specimen RGF VR 25/316, illustrated in Fig. 4E. Barremian, Crnoljevica, Svrljiške Planine Mountains, eastern Serbia. Original dimensions of the specimen (in mm): L = 12.7, W = 11.5, T = 10.8. Numbers indicate distance in mm from the tip of the ventral umbo.

Fig. 6 in New Barremian rhynchonellide brachiopod genus from Serbia and the shell microstructure of Tetrarhynchiidae

Fig. 6. Transverse serial sections of Antulanella pancici (Antula, 1903) through specimen RGF VR 25/313, illustrated in Fig. 4D. Barremian, Crnoljevica, Svrljiške Planine Mountains, eastern Serbia. Original dimensions of the specimen (in mm): L = 12.3, W = 12.6, T = 10.1. Numbers indicate distance in mm from the tip of the ventral umbo.

Fig. 5 in New Barremian rhynchonellide brachiopod genus from Serbia and the shell microstructure of Tetrarhynchiidae

Fig. 5. Transverse serial sections of Antulanella pancici (Antula, 1903) through specimen RGF VR 25/314, illustrated in Fig. 4C. Barremian, Crnoljevica, Svrljiške Planine Mountains, eastern Serbia. Original dimensions of the specimen (in mm): L = 12.3, W = 11.7, T = 10.4. Numbers indicate distance in mm from the tip of the ventral umbo.