| new genus and six new species of chiggers (acari: trombiculidae and leeuwenhoekiidae) collected from small mammals in argentina. | argentinacarus. n. gen., is proposed with argentinacarus expansus, n. sp., off irenomys tarsalis and akodon longipilis, as type species. quadraseta akodonica, off akodon longipilis and auliscomys micropus, colicus sinpretarsus, off histiotus montanus, parasecia argentinensis off phyllotis xanthopygus, parasecia neuquenensis, off akodon longipilis, and andalgalomacarus xanthopyga, off phyllois xanthopygus and eligmodontia morgani, are described as new. all specimens were collected in argentina. | 1995 | 7650704 |
| host range and geographical distribution of ixodes sigelos (acari: ixodidae). | larvae, nymphs and females of ixodes sigelos keirans, clifford and corwin (ixodidae) were collected in 13 localities of the patagonian region of argentina parasitizing eight species of sigmodontine rodents. we report for the first time adults of i. sigelos for argentina. besides, we extend the southern limit of its geographical distribution, and six species of sigmodontines are added as new host species of i. sigelos (phyllotis xanthopygus, euneomys chinchilloides, calomys musculinus, reithrodon ... | 2010 | 20340041 |