Detailseite

Scientific name
Idia calvaria (Denis & Schiffermüller, 1775)
German name
Dunkelbraune Spannereule
Group of organisms
Eulenfalter, Trägspinner, Graueulchen
Red List Category
Threatened with Extinction
Responsibility of Germany
General responsibility
Current population status
extremely rare
Long-term population trend
strong decline
Short-term population trend
decrease of unknown extent
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.
Source

Wachlin, V. & Bolz, R. (2011): Rote Liste und Gesamtartenliste der Eulenfalter, Trägspinner und Graueulchen (Lepidoptera: Noctuoidea) 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): 197-239.