- Scientific name
- Xylota caeruleiventris Zetterstedt, 1838
- Group of organisms
- Diptera: Syrphidae
- Red List Category
- Critically endangered
- Responsibility of Germany
- High level of responsibility for fully isolated outpost populations
- Current population status
- extremely 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
- No evidence, not listed without intentionally excluding the taxa or no confirmed established occurrence (neither under the same nor a different name).
- 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
- In Europa vom Aussterben bedroht, Glazialrelikt in Deutschland nur im Federseeried
- 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.
