Detailseite
- Scientific name
- Eumerus clavatus Becker, 1921
- Group of organisms
- Diptera: Syrphidae
- Red List Category
- Critically endangered
- Responsibility of Germany
- General responsibility
- Current population status
- extremely rare
- Long-term population trend
- unknown
- Short-term population trend
- decrease of unknown extent
- Special cases
- Negative risk factor(s) is/are known
- Risk factors
- Fragmentation/isolation of remaining sub-populations
- Previous Red List Category
- Critically endangered
- Change of category compared to previous Red List
- Red List Category unchanged
- Status
- Indigenes or Archaeobiota
- Source
-
Ssymank, A.; Doczkal, D.; Rennwald, K. & Dziock, F. (2011): Rote Liste und Gesamtartenliste der Schwebfliegen (Diptera: Syrphidae) Deutschlands. – In: Binot-Hafke, M.; Balzer, S.; Becker, N.; Gruttke, H.; Haupt, H.; Hofbauer, N.; Ludwig, G.; Matzke-Hajek, G. & Strauch, M. (Red.): Rote Liste gefährdeter Tiere, Pflanzen und Pilze Deutschlands, Band 3: Wirbellose Tiere (Teil 1). – Münster (Landwirtschaftsverlag). – Naturschutz und Biologische Vielfalt 70 (3): 13-83.
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