![]() The species can be found in old deciduous forests, parks, and wooded meadows (, ). ferrugineus has not been listed for Croatia in the latest relevant checklists (, ). As a consequence of scarce and old records, and lack of recent findings, E. It is distributed in Europe, Caucasia and Asia Minor ( ), with deficient data on its distribution mainly in South-Eastern parts of Europe, including Croatia. The European red click beetle, Elater ferrugineus Linnaeus, 1758 (Coleoptera: Elateridae), is a rare species associated with old hollow trees, whose larvae prey on the eggs and larvae of Scarabaeid and Lucanid beetles (, ). barnabita in Croatia and western Balkan is poorly known ( ), with very scarce records for Croatia. barnabita, eastern hermit beetle, is known from the Central and East Europe, and Western Russia (, ). Therefore, they have been added to the IUCN Red List with Near Threatened status (, , ) and listed in the Annexes II and IV of the EU Habitat Directive ( ). Many studies conducted within European countries reported a strong decline in the distribution range of Osmoderma eremita species complex, and extinction in some areas, mainly due to habitat loss and fragmentation (, ). (, ), the Osmoderma eremita species complex consists of five species distributed in Europe: O. ![]() Although the taxonomy of this group has not been completely resolved, following Audisio et al. They can be found in the remnants of natural forest, but also in other habitats such as urban parks, trees around agricultural fields and along streams, etc. The European hermit beetles belonging to Osmoderma eremita species complex (Coleoptera: Scarabaeidae, Cetoniinae) live in old hollow broad-leaved trees containing wood mould derived from the fungal decay of the dead heartwood and are obligate saproxylic species ( ). KeywordsĮuropean Red Click Beetle, Hermit Beetle, Mapping and Monitoring, Ma圎nt, Natura 2000, Nature Conservation, Protected Areas Data analyses indicated that the European red click beetle has much wider environmental envelope in which it can occur and that the hermit beetle can be used as surrogate species for the European red click beetle. Among set of 11 environmental variables, autumn precipitation, spring mean temperature and slope contributed most to the beetle distribution models. Most of the individuals were captured using flight intercept cross-vein funnel traps baited with pheromone for the hermit beetle placed within natural forest dominated by oak, beech and montane beech-fir forests, on sites with and without any forest management. To facilitate mapping activities and species range monitoring to improve the proper management of suitable habitats, we created habitat suitability maps using recent findings for both species, and predicted distribution were overlapped and analysed with historical data and protected areas. Here we present the most recent findings of both species, assembled mainly throughout this first systematic study aiming to collect data on the hermit beetle within mapping and monitoring activities of saproxylic species protected by the European Habitat Directive (Annexes II and IV of Council Directive 92/43/EEC) within the Mediterranean, Continental and Alpine biogeographical regions of Croatia, and current literature data. Their presence in a large part of South-Eastern Europe has been sporadically recorded and these findings are mainly historical. Due to habitat loss and fragmentation, the hermit beetle, Osmoderma eremita species complex (Coleoptera Scarabidae) and the European red click beetle, Elater ferrugineus Linnaeus, 1758 (Coleoptera: Elateridae) are considered threatened in many European countries.
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