FIGURES 1–18 in Review of the Balkan Isophya (Orthoptera: Phaneropteridae) with particular emphasis on the Isophya modesta group and remarks on the systematics of the genus based on morphological and acoustic data

FIGURES 1–18. General appearance of some Balkan Isophya. 1, 2—I. hospodar (1—male, 2—female); 3— I. thracica (male); 4, 5—I. rectipennis (4—male, 5—female); 6, 7—I. pavelii (6—male, 7—female); 8, 9—I. bureschi (8—male, 9— female); 10, 11—I. andreevae (10—male, 11—female); 12, 13—I. plevnensis (12—male, 13—female); 14, 15—I. m. modesta (=intermedia) (14—male, 15—female); 16— I. l. longicaudata (male); 17—I. rhodopensis leonorae (male); 18—I. rh. petkovi (male) (Figures 6–11, 17, 18—photo M. Langourov).