S. Mahunka szerk.: Folia Entomologica Hungarica 57. (Budapest, 1996)

valid name. In his opinion Poecilus versicolor (Sturm, 1824) would provide the valid name for P. caerulescens auct. (even though Carabus metallicus Scopoli, 1763 has priority over Platysma versicolor Sturm, 1824). It is thought that the lectotype designation for Carabus caerulescens has to be accepted, but it would be better to consider the nominal species C. cupreus as is in the original material, as Poecilus caerulescens auct. Consequently, Poecilus caerulescens (Linnaeus, 1758) would provide the valid name for the species P. cupreus auct. (Platysma affinis Sturm, 1824), and Poecilus cupreus (Linnaeus, 1758) for the species P. caerulescens auct. (Carabus metallicus Scopoli, 1763; Platysma versicolor Sturm, 1824). The classification of Carabus species and subspecies belonging to the "semistriatus" species-group, the subgenus Cancellocarabus, is one of the most difficult and perplexing problems. Since the classification proposed in the present paper is unique in some features, it is thought to be necessary to provide a key to the determination of the species and subspecies occurring in the Carpathian Basin. (The taxa between square brackets are not found within the present boundaries of Hungary.) 1 (2) Body broadly oval, relatively short. Pronotum particularly broad; lateral margins barely or not sinuate before posterior angles. Usually dark coppery (sometimes fuliginous) in colour, frequently with greenish or olive-green lustre. Femora and first antennái segments typically dark. Length: 20-28 mm. Distribution: Croatia (Opatija, Rab, Zadar, etc.); the Mediterranean coast — Carabus emarginatus var. corpulentus Kraatz, 1880 [Carabus corpulentus Kraatz, 1880] 2 (1) Body elongate-oval. Pronotum not particularly broad; lateral margins distinctly sinuate before posterior angles (Carabus semistriatus Fischer, 1824). 3 (8) Posterior pronotal angles relatively long, more prominent. 4 (7) Primary and secondary elytral intervals slightly prominent. Tubercles of primary intervals relatively narrow and long. Tertiary intervals distinct, present at least as rows of minute granules. 5 (6) Elytral surface finely but distinctly shagreened, fairly dull. Usually coppery, rarely fuliginous in colour, sometimes (lateral margins frequently) with greenish lustre. Femora and first antennái segments typically dark. Length: 22-30 mm. Distribution: Croatia (Rijeka, Bakar, Crikvenica, Novi Vinodolski, etc.); the western coastal (lower mountainous) regions influenced by the sub-Mediterranean climate of the nearby South-eastern Alps — Carabus emarginatus Duftschmid, 1812, nec Gmelin, 1790; Carabus affinis Duftschmid, 1812, nec Schrank, 1781; Carabus oblongus Sturm, 1815, nec Fabricius, 1792; Carabus dahlii Schaum, 1857, nec Duftschmid, 1812; Carabus emarginatus var. duftschmid

7 Géhin, 1876 [Carabus semistriatus duftschmidi Géhin, 1876] 6 (5) Elytral surface finely, obsoletely shagreened, fairly shiny. Usually coppery in colour, with distinct greenish and aureous lustre. Femora and first antennái segments typically dark. Length: 26-30 mm. Distribution: Croatia (Velika Kapela, Mala Kapela, Velebit, etc.); the mountains influenced by the temperate climate of the nearby South-eastern Alps — Carabus cancellatus Rasse emarginatus var. sequensi Beuthin, 1898; Carabus cancellatus aurosplendens Born, 1910 [Carabus semistriatus sequensi Beuthin, 1898]