First record of Orthohalarachne attenuata in Arctocephalus australis in mainland Argentina (Parasitiformes, Mesostigmata, Dermanyssoidea, Halarachnidae) with observations on its ambulacral morphology
Andrés Osvaldo Porta,
Juan Pablo Loureiro,
Marcela Karina Castelo
Abstract:Pinniped respiratory mites of the species Orthohalarachne attenuata have been recorded from various locations around the world but not from continental Argentina. In the present work, we document for the first time the presence of O. attenuata on Arctocephalus australis on the Argentine mainland. A total of 23 adult and 381 immature mites were collected from the nose and nasopharyngeal cavity during a necropsy. The mite ambulacrum is described in adults and larvae. This structure consists of a pretarsus, an ex… Show more
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