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Scientific name
Dahlica triquetrella (Hübner, 1813) [bisex. Form]
German name
Dreikant-Zwerg-Sackträger (zweigeschlechtliche Form)
Group of organisms
Lepidoptera: Bombyces, Sphinges s.l.
Red List Category
Threatened with Extinction
Responsibility of Germany
General responsibility
Current population status
extremely rare
Long-term population trend
constant
Short-term population trend
constant
Special cases
Negative risk factor(s) is/are known
Risk factors
Fragmentation/isolation of remaining sub-populations
Previous Red List Category
Extremely Rare
Change of category compared to previous Red List
Current downgrading of Red List Category
Status
Indigenes or Archaeobiota
Source

Rennwald, E.; Sobczyk, T. & Hofmann, A. (2011): Rote Liste und Gesamtartenliste der Spinnerartigen Falter (Lepidoptera: Bombyces, Sphinges s.l.) 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): 243-283.