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Taxonomic revision of the New World species of the genus Oosternum Sharp (Coleoptera: Hydrophilidae: Sphaeridiinae) II. The Oosternum convexum species group
The Oosternum convexum species group is defi ned on the basis of ex- ternal morphological characters. Three species are recognized within the group, all of them endemic to the Cordillera de TalamancaExpand
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A new species of Helochares from Israel, with a key to the European and some Near East species (Coleoptera: Hydrophilidae)
A new species of Helochares of the lividus group, H. (s.str.) lividoides sp.n., is described from Israel. Nine other species of Helochares have hitherto been recorded from Europe or the easternExpand
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Ochthebius (Enicocerus) legionensis sp.n. from Spain (Coleoptera, Hydraenidae)
Ochthebius (Enicocerus) legionensis sp.n. is described and illustrated. It is known from 18 localities in the Cantabrian mountains in the north west of Spain. Notes about the ecology and theExpand
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