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Scientific name
Nomada opaca Alfken, 1913
Group of organisms
Hymenoptera: Apidae
Red List Category
Highly Threatened
Responsibility of Germany
Not assessed
Current population status
very rare
Long-term population trend
moderate decline
Short-term population trend
decrease of unknown extent
Special cases
Negative risk factor(s) is/are known
Risk factors
Taxon is largely depending on another significantly decreasing species
Previous Red List Category
Highly Threatened
Change of category compared to previous Red List
Red List Category unchanged
Status
Indigenes or Archaeobiota
Source

Westrich, P.; Frommer, U.; Mandery, K.; Riemann, H.; Ruhnke, H.; Saure, C. & Voith, J. (2011): Rote Liste und Gesamtartenliste der Bienen (Hymenoptera, Apidae) 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): 373-416.