Effects of Haematophagous Ectoparasites on Nestling House Wrens, Troglodytes aedon: Who Pays the Cost of Parasitism?

Johnson, L. Scott; Albrecht, Daniel J.

doi:10.2307/3544812

Cited by 116 publications

(100 citation statements)

References 26 publications

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“…Conclusions concerning nestling performance and health under the influence of parasitism may depend on the kind of indicators taken into consideration. Johnson and collaborators suggested that nestling House Wrens Troglodytes aedon did not suffer from Protocalliphora parasitism when they analysed haematocrit levels but afterwards found a pronounced influence on haemoglobin concentration (Johnson & Albrecht 1993, O'Brian et al 2001, Morrison & Johnson 2002.…”

Section: Discussionmentioning

confidence: 99%

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Effects ofProtocalliphoraParasites on Nestling Food Composition in Corsican Blue TitsParus caeruleus: Consequences for Nestling Performance

et al. 2004

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Section: Discussionmentioning

confidence: 99%

“…Merino & Potti 1995, O'Brien et al 2001. Hence, the question arises, do parents try to reduce the effects by infestation-dependent feeding and other types of behaviour (Rothschild & Clay 1952, Johnson & Albrecht 1993, Morrison & Johnson 2002, Simon 2003?…”

Section: Introductionmentioning

confidence: 99%

Effects ofProtocalliphoraParasites on Nestling Food Composition in Corsican Blue TitsParus caeruleus: Consequences for Nestling Performance

et al. 2004

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“…Time-dependent mortality resulting from nest ectoparasites is a powerful selection pressure on nestling growth and developmental periods, and maternal strategies that minimize this mortality range from transfer of growth-affecting and immunological substances into eggs (15,16) and greater provisioning of infested offspring (17,18) to selection of parasite-free nest sites or parasite-repellent nest material (19,20). Moreover, egg-laying females are often exposed to the same nest ectoparasites that will attack their nestlings, enabling females to induce parasite responses and resistance in their offspring.…”

mentioning

confidence: 99%

Sex-biased maternal effects reduce ectoparasite-induced mortality in a passerine bird

Badyaev

Hamstra

et al. 2006

Proc. Natl. Acad. Sci. U.S.A.

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Duration of developmental stages in animals evolves under contrasting selection pressures of age-specific mortality and growth requirements. When relative importance of these effects varies across environments, evolution of developmental periods is expected to be slow. In birds, maternal effects on egg-laying order and offspring growth, two proximate determinants of nestling period, should enable rapid adjustment of developmental periods to even widely fluctuating mortality rates. We test this hypothesis in a population of house finches (Carpodacus mexicanus) breeding under two contrasting mortality risks: (i) a nest mite-free condition when selection on offspring survival favors a longer time in the nest; and (ii) a mite infestation when selection favors a shorter nest tenure. Mites affected survival of sons more than daughters, and females breeding under mite infestation laid male eggs last and female eggs first in the clutch, thereby reducing sons' exposure to mites and associated mortality. Strong sex bias in laying order and growth patterns enabled mite-infested offspring to achieve similar fledging size, despite a shorter nest tenure, compared with mitefree conditions. In mite-infested nests, male nestlings hatched at larger sizes, completed growth earlier, and had faster initial growth compared with mite-free nests, whereas mite-infested females grew more slowly but for a longer period of time. A combination of heavily sex-biased laying order and sex differences in growth patterns lowered mite-induced mortality by >10% in both sexes. Thus, strong maternal effects can account for frequently observed, but theoretically unexpected, concordance of mortality risks and growth patterns, especially under fluctuating ecological conditions. life history ͉ logistic growth ͉ parasites ͉ sexual dimorphism

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“…Ample research has been carried out on nestling development and first year survival in many bird species, focusing on effects of parental feeding (Ardia 2007;Krist 2009), brood size and composition (Ardia 2007), time of breeding (Verboven and Visser 1998) and environmental conditions (Sillanpää et al 2009). Although several studies have been carried out on the effect of ectoparasites on nestling development and breeding success (Johnson and Albrecht 1993;Bauchau 1997;Thomas and Shutler 2001;Eggert and Jodice 2008), to the best of our knowledge, no research has been carried out on the impact of the microhabitat of the nest and the trophic structure of arthropods inhabiting the nest (combined effects of ectoparasitic mites and predatory mites that feed on the ectoparasites). The only known studies on the effects of ectoparasites on breeding success in holebreeding birds showed a negative effect on breeding success and nestling condition (e.g.…”

Section: Introductionmentioning

confidence: 99%

Trophic structure of arthropods in Starling nests matter to blood parasites and thereby to nestling development

et al. 2012

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Nestling development and long-term survival in many bird species depend on factors such as parental feeding, time of breeding and environmental conditions. However, little research has been carried out on the effect of ectoparasites on nestling development, and no research on the impact of the trophic structure of arthropods inhabiting the nest (combined effects of ectoparasitic mites and predatory mites feeding on ectoparasites). We assess nestling development of European Starlings (Sturnus vulgaris) in relation to the number of parasitic mites Dermanyssus gallinae (DG, a blood-sucking mite) and their predators, i.e. Androlaelaps casalis (AC), both dominant species of nidicolous arthropods in Starling nests. DG densities were not associated with nestling body mass or tarsus length during development (10 and 17 days of age), which contradicts our expectation that parasitic mites negatively influence growth. Furthermore, an increase in AC densities was associated with a significant decrease in body mass (not tarsus length) later during nestling development (at day 17-a proxy for nestling age-but not at day 10). The latter seems counterintuitive, but not when the inherent density-dependent delays in Lotka-Volterra predator-prey interactions are taken into account: a high density of predatory mites (AC) always arises after an increase of prey mites (DG). Thus, the high density of predatory mites indicates a preceding peak density of parasitic mites. Clearly, this explanation requires insight in the trophic structure of mites inhabiting Starling nests and bird nests in general. We conclude that multitrophic interactions (between predator, parasite and host) in nests should not be ignored when assessing nestling development.

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Effects of Haematophagous Ectoparasites on Nestling House Wrens, Troglodytes aedon: Who Pays the Cost of Parasitism?

Cited by 116 publications

References 26 publications

Effects ofProtocalliphoraParasites on Nestling Food Composition in Corsican Blue TitsParus caeruleus: Consequences for Nestling Performance

Effects ofProtocalliphoraParasites on Nestling Food Composition in Corsican Blue TitsParus caeruleus: Consequences for Nestling Performance

Sex-biased maternal effects reduce ectoparasite-induced mortality in a passerine bird

Trophic structure of arthropods in Starling nests matter to blood parasites and thereby to nestling development

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