Biology:Osmoderma eremita

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Short description: Species of beetle

Osmoderma eremita
Adult female
Larva
Scientific classification edit
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Scarabaeidae
Genus: Osmoderma
Species:
O. eremita
Binomial name
Osmoderma eremita
(Scopoli, 1763)

Osmoderma eremita, the hermit beetle[1] or Russian leather beetle,[2] is a species of European beetle in the family Scarabaeidae.[1][3][4] Adults measure between 21 and 32 mm in length.[5]

Distribution and taxonomy

Osmoderma eremita, when defined as distinct from the closely related Osmoderma barnabita, O. cristinae, O. italica, and O. lassallei, occurs in central and western Europe, from northern Spain and northern Italy northward to southern Sweden and eastern Germany.[1] When interpreted more broadly, as including O. cristinae and O. lassallei as subspecies, it is distributed in much of Europe.[4]

Larvae

The larvae develop in hollow trees. Oak is the preferred kind of tree, but the larvae may develop in any tree species with suitable hollows.[2] Due to extensive scientific research, O. eremita is the most well known insect species associated with ancient or hollow trees. For instance, research has addressed the beetles' dispersal biology,[6] population dynamics,[7] and chemical communication.[8] Trained conservation detection dogs are being used in monitoring larvae in Italy.[9]

Conservation status

Due to habitat loss and fragmentation, the species has decreased all over its distribution range. For this reason the species is protected in most European countries, and has been given the highest priority according to the EU's Habitats Directive.[2] LIFE's projects in Poodří, Czech Republic and Gipuzkoa, Spain, led by Arnika, Ostrava University and Aranzadi Science Society, aimed at expanding the habitat of this endangered species.[10][11]

References

  1. ↑ 1.0 1.1 1.2 1.3 Telnov, D. (2025). "Osmoderma eremita". IUCN Red List of Threatened Species 2025. doi:10.2305/IUCN.UK.2025-1.RLTS.T15632A213070649.en. https://www.iucnredlist.org/species/15632/213070649. Retrieved 18 June 2025. 
  2. ↑ 2.0 2.1 2.2 "Hermit beetle (Osmoderma eremita)". ARKive. http://www.arkive.org/hermit-beetle/osmoderma-eremita/info.html. 
  3. ↑ "Osmoderma eremita (Scopoli, 1763)". Species 2000: Leiden, the Netherlands. https://www.catalogueoflife.org/data/taxon/75B3L. 
  4. ↑ 4.0 4.1 "Osmoderma eremita (Scopoli, 1763)". Fauna Europaea. https://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:faunaeur.org:taxname:246970. 
  5. ↑ "Hermit Beetle (Osmoderma eremita)". https://entomologist.net/beetles/61-osmoderma-eremita.html. 
  6. ↑ Hedin, Jonas (2008). "Restricted dispersal in a flying beetle assessed by telemetry". Biodiversity and Conservation 17 (3): 675–684. doi:10.1007/s10531-007-9299-7. Bibcode: 2008BiCon..17..675H. https://pub.epsilon.slu.se/8040/1/hedin_j_110408.pdf. 
  7. ↑ Ranius, Thomas (2001). "Constancy and asynchrony of Osmoderma eremita populations in tree hollows". Oecologia 126 (2): 208–215. doi:10.1007/s004420000515. PMID 28547619. Bibcode: 2001Oecol.126..208R. https://pub.epsilon.slu.se/8055/1/ranius_t_110414.pdf. 
  8. ↑ Larsson, Mattias (2003). "The characteristic odour of Osmoderma eremita (Coleoptera: Scarabaeidae) identified as a male-released pheromone". Journal of Chemical Ecology 29 (3): 575–587. doi:10.1023/A:1022850704500. PMID 12757320. 
  9. ↑ Mosconi, Fabio; Campanaro, Alessandro; Carpaneto, Giuseppe Maria; Chiari, Stefano; Hardersen, Sönke; Mancini, Emiliano; Maurizi, Emanuela; Sabatelli, Simone et al. (2017). "Training of a dog for the monitoring of Osmoderma eremita". Nature Conservation 20: 237–264. doi:10.3897/natureconservation.20.12688. 
  10. ↑ Kočárek, Petr; Klemensová, Marcela; Aubrechtová, Tereza; Kaláb, Oto (February 2020). "Ochrana páchníka hnědého (Osmoderma barnabita) v CHKO Poodří". https://www.researchgate.net/publication/344339376. 
  11. ↑ Castro, Alberto (December 2012). "LIFE Project: Management and conservation of Osmoderma eremita, Rosalia alpina and other saproxylic habitats of Community interest in Gipuzkoa". https://www.researchgate.net/publication/367435039. 

Wikidata ☰ Q1141328 entry



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