Taxonomic name: Ischnopsyllus Ischnopsyllus elongatus (Flea Species)Interaction Type: ectoparasite ofLocation: SuffolkReference: Ceratophyllus g. gallinae (Schrank) (Siphonaptera: Ceratophyllidae) from a British coypu (Myocastor coypus Molina) (Rodentia: Capromyidae). Taxonomic name: Nyctalus noctula