Taxonomic name: Ischnopsyllus Ischnopsyllus intermedius (Flea Species)Interaction Type: ectoparasite ofLocation: YorkshireReference: An illustrated catalogue of the Rothschild collection of fleas (Siphonaptera) in the British Museum (Natural History). Vol.II: Coptopsyllidae, Vermipsyllidae, Stephanocircidae, Ischnopsyllidae, Hypsophthalmidae and Xiphiopsyllidae. Taxonomic name: Nyctalus noctula