Published online by Cambridge University Press: 31 May 2012
In a sense, this book is an expanded version of an earlier work by this author entitled “The Siphonaptera of Canada”, published in 1949. It is extended beyond the political confines of this country and includes treatment of the fauna of Alaska and Greenland, as well as much new distributional information on the fleas of Canada, especially the Canadian north. This latter was made possible by the Northern Insect Survey (1947-1962), mostly directed by the late Dr. T.N. Freeman, which involved the establishment of about 80 field parties in the Arctic and Subarctic Regions of Canada, Alaska and Greenland.A section on flea anatomy in relation to taxonomy is followed by a key to the genera. Then the six families and 15 sub-families, 60 genera and subgenera, and 183 species and subspecies, of fleas are carefully described and illustrated. Under the description of each species is a detailed listing of all specimens available to the author, West to East. This is followed by a host-flea index providing a taxonomic list of all the species of mammals and birds from which fleas have been taken. Distribution maps have been prepared illustrating all the collection records of flea species. Sometimes the known ranges of mammal hosts are included, where there is evidence of a strong host association.
En un sens, ce livre est une version élargie d'un ouvrage antérieur intitulé "Siphonaptères du Canada", publié par l'auteur en 1949. On a maintenant débordé les frontières politiques pour étudier la faune de l'Alaska et du Groenland. De nouvelles données sur la répartition des insectes au Canada, en particulier dans le nord, se sont ajoutées aux anciennes grâce à l'enquête entomologique poursuivie entre 1947 et 1962 par le regretté T.N. Freeman et qui comprenait l'implantation d'environ 80 équipes de chercheurs dans les régions arctiques et subarctiques du Canada, de l'Alaska et du Groenland.
Une section sur l'anatomie des puces en relation avec leur taxonomie suit la clé d'identification des genres. Ensuite vient la description détaillée, avec illustrations à l'appui, des six familles et 15 sous-familles, des 60 genres et sous-genres et des 183 espèces et sous-espèces de l'ordre. Après la description de chaque espèce on trouvera la liste détaillée des spécimens auxquels l'auteur a eu accès, de l'ouest à l'est du pays. Suit un index hôte-parasite donnant la liste des mammifères et des oiseaux d'où provenaient les puces. Les cartes de distribution ont été préparées d'après les dossiers sur les sites de prélèvement. Parfois, on y voit l'aire des mammifères hôtes, lorsqu'il y a évidence d'une forte association entre ce dernier et son parasite.
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