Evaluation of the influence of biotic and abiotic factors on the prevalence and abundance of infestations of Mysolaelaps microspinosus (Fonseca, 1936) (Mesostigmata: Laelapidae) on Oligoryzomys longicaudatus (Bennett, 1832) in Chile
  New records of Gigantolaelaps wolffsohni (Mesostigmata: Laelapidae) in Chile, an ectoparasite of Oligoryzomys longicaudatus (Rodentia: Cricetidae): ecological aspects and relation to body size and sex of their host