Scientific name
Megalodontes thor Taeger, 2002
Synonyms or name indicated in the previous Red List
Megalodontes plagiocephalus (Fabricius, 1804)
Group of organisms
Hymenoptera: Symphyta
Red List Category
Highly Threatened
Responsibility of Germany
Data deficient, high responsibility can only be assumed
Current population status
Long-term population trend
decline of unknown extent
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
Fragmentation/isolation of remaining sub-populations
Previous Red List Category
Not Evaluated
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.
Comment on taxonomy
Siehe Taeger (2002).
Further comments
Wirtspflanze Peucedanum oreoselinum. Gemeldet für Deutschland von Blank et al. (2001).

Liston, A.D.; Jansen, E.; Blank, S.M.; Kraus, M. & Taeger, A. (2011): Rote Liste und Gesamtartenliste der Pflanzenwespen (Hymenoptera: Symphyta) 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): 491-556.