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Scientific name
Eumerus longicornis Loew, 1855
Group of organisms
Diptera: Syrphidae
Red List Category
Threatened with Extinction
Responsibility of Germany
Extremely high level of responsibility
Current population status
very rare
Long-term population trend
strong decline
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
Threat of Unknown Extent
Change of category compared to previous Red List
The change of category is not assessable, for example because the previous Red List does not list the taxon or the taxon has not been assessed in the previous Red List.
Comment on responsibility
Südeuropäische Funde in der Literatur gehören teilweise zu E. minotaurus Claussen & Lucas, 1988
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.