Callicerus obscurus
Gravenhorst, 1802
Callicerus obscurus is a rove beetle (Staphylinidae: Aleocharinae: Geostibini) described by Gravenhorst in 1802. The has a Palearctic distribution centered in Europe, with records from Austria, Belgium, Croatia, Czech Republic, Germany, Finland, France, Great Britain, Georgia, Hungary, Ireland, Italy, Lithuania, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, and Switzerland, as well as central European Russia. It has been introduced to Ontario, Canada. The species is known from 27 iNaturalist observations but lacks detailed published biological studies.
Pronunciation
How to pronounce Callicerus obscurus: //kəˈlɪsɛrəs əbˈskjʊrəs//
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Distribution
Native to Europe: Austria, Belgium, Croatia, Czech Republic, Germany, Finland, France, Great Britain, Georgia, Hungary, Ireland, Italy, Lithuania, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland. Also recorded from central European Russia. Introduced to Ontario, Canada.
More Details
Taxonomic note
The Callicerus is placed in the tribe Geostibini within the large Aleocharinae. The specific epithet 'obscurus' (Latin for dark or indistinct) likely refers to the 's coloration, though original description details are not provided in available sources.
Collection records
The is represented in major European collections and has been documented through the Global Biodiversity Information Facility (GBIF) with verified occurrence records across its native range.