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Nest-climatic factors affect the abundance of biting flies and their effects on nestling condition

AuthorsMartínez de la Puente, Josué ; Merino, Santiago ; Lobato, Elisa ; Rivero de Aguilar, Juan ; Cerro Gómez, Sara del ; Ruíz de Castañeda, Rafael; Moreno Klemming, Juan
KeywordsBiting midge Culicoides
Black flies
Ficedula hypoleuca
Hosteparasite interactions
Issue Date2010
CitationActa Oecologica, 35:543-547 (2010)
AbstractThe first step in the establishment of a hostebiting fly relationship is host location. While a number of studies highlight the role of host emitted products as important cues affecting host location by biting flies, the role of host temperature is far from clear. We investigated the role of different nest microclimatic variables affecting the interaction between pied flycatchers and two biting flies: black flies and biting midges. Biting midge abundances increased with temperature inside the nest, supporting the potential importance of nest temperature as a cue used by insects to localize their hosts. The possibility that biting fly infestations were associated to ecological conditions in the vicinity of the nests is also discussed. Furthermore, we found a negative association between nestling weight (including tarsus length as a covariate in the analyses) and the interaction between the abundance of biting midges and the presence/ absence of black flies in nests. The potential negative effect of these ectoparasites on nestling weight (condition index) and potential differences in the bird phenotypic/genetic quality associated with nest site choice and parasite infestations are considered
Publisher version (URL)http://dx.doi.org/10.1016/j.actao.2010.07.008
Appears in Collections:(EBD) Artículos
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