| abstract | Fur-mites or the family Atopomelidae (Acari: Astigmata) from the Philippines are revised. Among 74 potential host specics of 24 genera belonging to the families Muridae (Rodentia) and Soricidae (Soricomorpha) known from the Philippines, 54 species of 23 genera were examined for ectoparasites, and atopomelid mites were collected from 31 species in 10 genera. A total of 18 atopomelid species belonging to the genera Atopomelus Trouessart, 1917 and Listrophoroides Hirst, 1923, including 12 previously undescribed species, were recovered: Atopome1us crocidurae Fain and Lukoschus, 1977, Listrophoroides (s.s.) mindanensis Fain and Lukoschus, 1981, L. (s.s.) batornys sp.n., L. (s.s.) pulawanensis Fain, 1976, L. (s.s.) brachypyx Fain, 1974, L. (s.s) crunomys sp.n., L. (s.s.) insu1aris sp.n., L. (s.s.) chrotomys sp.n., L. (Marquesania) cucullatus (Trouessart, 1893), L. (M.) paracucullatus sp.n., L. (M.) postsquamatus Fain, 1976, L. (M.) apormys sp.n., L. (M.) heaneyi sp.n., L. (M.) faini sp.n., L. (M.) 1imnomys sp.n., L. (M.) bullimus sp.n., L. (M.) luzonicus sp.n., and L. (M.) corpuzrarosae sp.n. All specics are described or redescribed, host and geographic ranges are recorded, and keys to all species are provided. To clarify relationships of the Philippine species with other Southeast Asian Listrophoroides, a phylogenetic analysis was conducted using parsimony methods on morphological characters. The Philippine species of the subgenus Listrophoroides (s.s.) belong to a cluster including Southeast Asian species of the rajah and borneoensis species groups. Listrophoroides batomys and L. mindanensis form a separate clade that is sister to all other members of this cluster. Three other newly
described species of Listrophoroides (s.s.) (L. crunomys and L. insularis + L. chrotomys) are represented by two independent lineages situated in the core of this cluster, between the borneoensis and rajah groups. The species of the subgenus Marquesania form a monophyletic group sister to the Southeast Asian species of the subgenus Listrophoroides (s.s.). The phylogenetic relationships of the Philippine atopomelids are partially correlated with the host phylogeny, and there are several groups of closely related species that are associated with particular rodent taxa. However, this underlying co-evolutionary pattern is often complicated by probable cases of host switching. |