Taxonomic name: Ceratophyllus Emmareus borealis (Flea Species)Interaction Type: ectoparasite ofLocation: Fair IsleReference: The distribution of Ceratophyllus borealis Rothschild, 1906, and C. garei Rothschild, 1902, with records of specimens intermediate between the two. Taxonomic name: Oenanthe oenanthe