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
  Development cycle of Ornithodoros peruvianus Kohls, Clifford and Jones (Ixodoidea: Argasidae) under laboratory conditions