Taxon - Links and literature
de Jong, Y.S.D.M. (ed.): Fauna Europaea 2.4 [http://www.faunaeur.org] [as Sphingonotus willemsei Mistshenko, 1937]Data retrieved on: 9 March 2012
IUCN Red List of Threatened Species 2024-1 [16084556]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Sphingonotus willemsei Mistshenko, 1937]
Data retrieved on: 29 January 2024
Orthoptera Species File Online [51237]
Eades D.C., Otte D., Naskrecki P.: Orthoptera Species File Online [http://orthoptera.speciesfile.org]