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Title: Nest-climatic factors affect the abundance of biting flies and their effects on nestling condition
Authors: Martínez-de la Puente, Josué
Merino, Santiago
Lobato, Elisa
Rivero-de Aguilar, Juan
del Cerro, Sara
Ruiz-de-Castañeda, Rafael
Moreno, Juan
UNESCO Clasification: 3109 Ciencias veterinarias
Keywords: Biting Midge Culicoides
Black Flies
Ficedula Hypoleuca
Host-Parasite Interactions
Temperature, et al
Issue Date: 2010
Journal: Acta Oecologica 
Abstract: The first step in the establishment of a host-biting 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.
ISSN: 1146-609X
DOI: 10.1016/j.actao.2010.07.008
Source: Acta Oecologica [ISSN 1146-609X], v. 36 (6), p. 543-547, (Noviembre-Diciembre 2010)
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