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7 January 2022 Two new species of nasal mites of the genus Rhinonyssus (Acari, Mesostigmata, Rhinonyssidae) from shearwaters
Silvia Bainy Gastal, Carolina Silveira Mascarenhas, Leandro Bugoni
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Abstract

Nasal mites of the family Rhinonyssidae are parasites living in the respiratory system of birds. To date there were no record of these mites from representatives of the order Procellariiformes, a numerous grouping of exclusively marine birds that includes albatrosses, petrels, storm-petrels and shearwaters. The paper describes two new species of the genus Rhinonyssus from shearwaters (Procellariidae) found on various shores of Brazil: Rhinonyssus borealis sp. nov. from Calonectris borealis (Cory's shearwater) and R. procellaricus sp. nov. from Puffinus puffinus (Manx shearwater) and Ardenna gravis (Great shearwater). Both described mites are characterized by a large elliptical body and a relatively large and strongly sclerotized with the well-developed caudal extension. Rhinonyssus borealis sp. nov. and R. procellaricus sp. nov. are similar in their general appearance to each other but differ in the size of idiosoma, shape of podosomal and sternal shields and leg chaetotaxy.

© Systematic & Applied Acarology Society
Silvia Bainy Gastal, Carolina Silveira Mascarenhas, and Leandro Bugoni "Two new species of nasal mites of the genus Rhinonyssus (Acari, Mesostigmata, Rhinonyssidae) from shearwaters," Systematic and Applied Acarology 27(1), 9-23, (7 January 2022). https://doi.org/10.11158/saa.27.1.2
Received: 6 December 2020; Accepted: 11 October 2021; Published: 7 January 2022
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KEYWORDS
Ardenna
Calonectris
parasites
Puffinus
systematics
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