Taxon - Links and literature
de Jong, Y.S.D.M. (ed.): Fauna Europaea 2.4 [http://www.faunaeur.org] [as Pipizella speighti Verlinden, 1999]Data retrieved on: 9 March 2012
IUCN Red List of Threatened Species 2024-1 [149168942]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Pipizella speighti Verlinden, 1999]
Data retrieved on: 29 January 2024