Phylogenetic relationships of Western Mediterranean subterranean Trechini groundbeetles (Coleoptera: Carabidae) ARNAUD FAILLE*, ACHILLE CASALE & IGNACIO RIBERA Phylogeny of Mediterranean hypogean Trechini
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Two New Highly Specialised Subterranean Beetles from the Velebit Massif (croatia): Velebitaphaenops (new Genus) Giganteus Casale & Jal@i], New Species (coleoptera: Carabidae: Trechini) and Velebitodromus Ozrenlukici Lohaj, Mlejnek & Jal@i], New Species (coleoptera: Cholevidae: Leptodirini)
ACHILLE CASALE1, BRANKO JAL@I]2,3, ROMAN LOHAJ4 & ROMAN MLEJNEK5 Università di Sassari, Dipartimento di Zoologia e Genetica Evoluzionistica, Via Muroni 25, 07100 Sassari, Italy (e-mail: [email protected]; [email protected]) Department of Zoology, Croatian Natural History Museum, Demetrova 1, 10000 Zagreb, Croatia (e-mail: [email protected]) Croatian Biospeleological Society, Demetrova 1, 1000...
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BACKGROUND Some species of obligate cavernicolous beetles are known to possess a unique feature-a contraction of the larval cycle. In contrast to many other subterranean beetles, life-cycle contraction in Trechini ground beetles (Carabidae) is correlated with a reduction in the number of eggs and a drastic reduction in the number of ovarioles. This remarkable peculiarity has only been reported ...
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A new hypogean species of Trechus Clairville, Trechus arrecheai sp. nov., is described from the Iberian Peninsula. It was captured by subterranean pitfall traps in a non-calcareous Superficial Subterranean Habitat from the Moncayo Massif (Zaragoza, Spain). Data on the accompanying fauna are provided and the biogeographical implications of this discovery are discussed. A synthesis of the data ab...
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Geotrechus sarpedon sp. n., a new species of blind Trechini is described from Arbailles Massif, western Pyrenees, trance. The generic attribution of the new species was challenging as it shares morphological features of both genera Geotrechus Jeannel, 1919 and Aphaenops subgenus Hydraphaenops Jeannel, 1926, confirming their polyphyly, which has been highlighted by previous molecular studies on ...
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The first reliably identified Trechini beetle species from Baltic amber, Trechus balticus sp. n., is described. This new fossil species is most similar to extant species of the Palaearctic Trechus sensu stricto, as well as to the Nearctic Microtrechus Jeannel, 1927. Since the fossil specimen is a female and some important character states cannot be investigated, its true systematic position wit...
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