Biology and conservation of the European stag beetle: recent advances and lessons learned
2021
Méndez, Marcos | Thomaes, Arno
Reliable information for the conservation of many insects is lacking due to a poor knowledge of their ecology. Here, we review the biological knowledge about the European stag beetle (Lucanus cervus), in which recent advances are improving the basis for successful conservation. A review of the biological and ecological literature about this species identified an exponential increase in both total and peer‐reviewed articles after Natura 2000 regulations. Recent progress in the last two decades has been made in solving taxonomic problems, as well as in habitat description through radiotelemetry and habitat models. Dependence on large old‐growth forest has given place to a more complex picture of habitat use along the distribution range of this species. Monitoring protocols have been developed that will allow to assess conservation status and actual decline. Stag beetle conservation would benefit from a better understanding of larval demography, quantification of microhabitat requirements, landscape genetics and quantification of historical and current threats. Lessons learned include the need to solve taxonomic problems and to target methodological bottlenecks. The stag beetle is one of the few European saproxylic organisms that can engage the broad public through outreach activities and therefore its role as an umbrella species should be promoted.
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