Taxon - Links and literature
de Jong, Y.S.D.M. (ed.): Fauna Europaea 2.4 [http://www.faunaeur.org] [as Cerceris rybyensis dittrichi Schulz, 1904]Data retrieved on: 9 March 2012
de Jong, Y.S.D.M. (ed.): Fauna Europaea 2.4 [http://www.faunaeur.org] [as Cerceris rybyensis dittrichi Schulz, 1904]