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Scientific name
Thera britannica (Turner, 1925)
Synonyms or name indicated in the previous Red List
[syn. Thera albonigrata Gornik, 1942
German name
Sägezahnfühler-Nadelholzspanner
Group of organisms
Lepidoptera: Geometridae & Drepanidae
Red List Category
Data Deficient
Responsibility of Germany
General responsibility
Current population status
moderately common
Long-term population trend
unknown
Short-term population trend
unknown
Previous Red List Category
Not Threatened
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

Trusch, R.; Gelbrecht, J.; Schmidt, A.; Schönborn, C.; Schumacher, H.; Wegner, H. & Wolf, W. (2011): Rote Liste und Gesamtartenliste der Spanner, Eulenspinner und Sichelflügler (Lepidoptera: Geometridae et Drepanidae) 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): 287-324.