North Spain (Burgos) wild mammals ectoparasites.

Twenty-seven species of arthropods were collected from 105 wild mammals, six wolves Canis lupus (Linnaeus, 1758) included. A total of 87 animals (82.8%) harboured some ectoparasites. Ticks were found in 60% of the samples, fleas in 51.4%, chewing-lice in 3.8%, and others (Mesostigmata and hippoboscids) in 3.8%. Moreover, 42.5% were single infestation and 57.5% mixed. Some of the species were new records for a host in spanish country such as Trichodectes canis (De Géer, 1778), Ixodes trianguliceps (Birula, 1895), Ceratophyllus (Monopsyllus) S. sciurorum (Schrank, 1803) and Paraceras melis melis (Walker, 1856) on several mammals. Two species were new records for Spain: Chaetopsylla matina (Jordan, 1925) and Archaeopsylla erinacei erinacei (Bouché, 1835).