2024-03-28T10:27:47Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1078962016-02-18T02:51:05Zcom_10261_9676com_10261_8col_10261_9679
DIGITAL.CSIC
author
Stefan, Laura M.
author
Gómez-Díaz, Elena
author
McCoy, Karen D.
author
González-Solís, Jacob
2014-11-21T10:12:57Z
2014-11-21T10:12:57Z
2012-01
I Congreso Ibérico de Sistemática Animal (2012)
http://hdl.handle.net/10261/107896
Although parasites represent a substantial portion of global biodiversity, the majority
of extant parasite species remain undescribed and a full characterization of parasite
biodiversity is essential to understand the processes and mechanisms that have lead to
it. Mites are a particularly interesting group in this sense because of their
extraordinary ecological and evolutionary diversity. Feather mites (Acari:
Analgoidea) are highly specialized ectosymbionts adapted to inhabit well-defined
microhabitats on a bird´s body. About 2000 species of feather mites have been
described, but is assumed that the actual number of species is 10 000 or more. In this
study, we investigated feather mite morphological and molecular diversity within the
seabird community of the Cape Verde islands. We analyzed dust-ruffling samples
from six seabird species (Procellariiformes and Phaethontiformes) and five islands.
Almost all feather mites corresponded to new species and grouped into eight genera
(Zachvatkinia, Rhinozachvatkinia, Microspalax, Brephosceles, Alloptes,
Laminalloptes, Onychalloptes and Ingrassia). The procellariiform seabirds harbored a
distinct acarofauna compared with the Phaethontiformes, Ingrassia being the only
genus shared by the two seabird families. The greatest number of feather mite genera
(five) was found on shearwaters (Calonectris edwardsii and Puffinus boydi), which
are also the only hosts that harbor mites from genus Alloptes. Molecular data based on
two mitochondrial genes (12S and 16S rRNA) confirmed morphological results and
showed high levels of cryptic diversity at the genus level. These results highlight the
vast, largely unrecognized; biodiversity supported by seabird communities and
illustrate the need of integrating molecular and morphological approaches for fully
characterizing parasite cryptic species.
eng
closedAccess
Integrating molecular and morphological approaches to uncover the unknown world of seabird feather mites from the Cape Verde Archipelago
póster de congreso
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