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Scientific name
Gyas annulatus (Olivier, 1791)
German name
Weißstirniger Riesenweberknecht
Group of organisms
Arachnida: Opiliones
Red List Category
Threat of Unknown Extent
Responsibility of Germany
General responsibility
Current population status
very rare
Long-term population trend
decline of unknown extent
Short-term population trend
constant
Previous Red List Category
Extremely Rare
Change of category compared to previous Red List
Current downgrading of Red List Category
Margin of range
North-Western
Status
Indigenes or Archaeobiota
Source

Muster, C.; Blick, T. & Schönhofer, A. (2016): Rote Liste und Gesamtartenliste der Weberknechte (Arachnida: Opiliones) Deutschlands. – In: Gruttke, H.; Balzer, S.; Binot-Hafke, M.; Haupt, H.; Hofbauer, N.; Ludwig, G.; Matzke-Hajek, G. & Ries, M. (Red.): Rote Liste gefährdeter Tiere, Pflanzen und Pilze Deutschlands, Band 4: Wirbellose Tiere (Teil 2). – Münster (Landwirtschaftsverlag). – Naturschutz und Biologische Vielfalt 70 (4): 513-536.