Personality and ectoparasitic mites (Hemipteroseius adleri) in firebugs (Pyrrhocoris apterus)

Gyuris, Enikő; Hankó, Júlia Fruzsina; Feró, Orsolya; Barta, Zoltán

doi:10.1016/j.beproc.2015.11.011

Cited by 15 publications

(7 citation statements)

References 57 publications

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“…In chipmunks ( Tamias minimus ), more exploratory individuals hosted a greater abundance of ectoparasites compared to less exploratory individuals (Bohn et al 2017 ). Bolder, more active female firebugs ( Pyrrhocoris apterus ) were more infected by mites ( Hemipteroseius adleri ) than their conspecifics that behaved in a less explorative way (Gyuris et al 2016 ). It is plausible that bolder, more explorative sticklebacks are at a higher risk of infection due to increased encounter with the G. anomala parasite.…”

Section: Discussionmentioning

confidence: 99%

Parasite infection and host personality: Glugea-infected three-spined sticklebacks are more social

Petkova

Abbey-Lee

Løvlie

2018

Behav Ecol Sociobiol

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The existence of animal personality is now well-documented, although the causes and consequences of this phenomenon are still largely unclear. Parasite infection can have pervasive effects on hosts, including altering host behaviour, and may thus contribute to differences in host personality. We investigated the relationship between the three-spined stickleback and its common parasite Glugea anomala, with focus on differences in host personality. Naturally infected and uninfected individuals were assayed for the five personality traits activity, exploration, boldness, sociability, and aggression. If infected fish behaved differently from uninfected, to benefit this parasite with horizontal transmission, we predicted behaviour increasing interactions with other sticklebacks to increase. Infection status explained differences in host personality. Specifically, Glugea-infected individuals were more social than uninfected fish. This confirms a link between parasite infection and host behaviour, and a relationship which may improve the horizontal transmission of Glugea. However, future studies need to establish the consequences of this for the parasite, and the causality of the parasite-host personality relationship.Significance statementParasite infection that alters host behaviour could be a possible avenue of research into the causes of animal personality. We studied the link between infection and personality using the three-spined stickleback and its parasite Glugea anomala. We predicted that infected individuals would be more prone to interact with other sticklebacks, since this would improve transmission of this parasite. The personality of uninfected and naturally infected fish was measured and we observed that Glugea-infected sticklebacks were more social. Our results confirm a link between parasitism and variation in host personality.Electronic supplementary materialThe online version of this article (10.1007/s00265-018-2586-3) contains supplementary material, which is available to authorized users.

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Section: Discussionmentioning

confidence: 99%

Parasite infection and host personality: Glugea-infected three-spined sticklebacks are more social

Petkova

Abbey-Lee

Løvlie

2018

Behav Ecol Sociobiol

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“…vulgare individuals infected with Wolbachia took less risk than their uninfected conspecifics. It has been suggested that infection with mild effects on the hosts' fitness is coupled with higher rates of behavioural activity, as infection often increases energetic needs (Lafferty and Morris 1996;García-Longoria et al 2014;Gyuris et al 2016). On the other hand, parasites with severe negative effects on their hosts' fitness are more likely to reduce behavioural activity, due to heavily reduced state (e.g.…”

Section: Among-individual Variationmentioning

confidence: 99%

Roll with the fear: environment and state dependence of pill bug (Armadillidium vulgare) personalities

Horváth

Garamszegi

Bereczki

et al. 2019

Sci Nat

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Most studies on animal personality evaluate individual mean behaviour to describe individual behavioural strategy, while often neglecting behavioural variability on the within-individual level. However, within-individual behavioural plasticity (variation induced by environment) and within-individual residual variation (regulatory behavioural precision) are recognized as biologically valid components of individual behaviour, but the evolutionary ecology of these components is still less understood. Here, we tested whether behaviour of common pill bugs (Armadillidium vulgare) differs on the among-and within-individual level and whether it is affected by various individual specific state-related traits (sex, size and Wolbachia infection). To this aim, we assayed risk-taking in familiar vs. unfamiliar environments 30 times along 38 days and applied double modelling statistical technique to handle the complex hierarchical structure for both individual-specific trait means and variances. We found that there are significant among-individual differences not only in mean risk-taking behaviour but also in environment-and time-induced behavioural plasticity and residual variation. Wolbachia-infected individuals took less risk than healthy conspecifics; in addition, individuals became more risk-averse with time. Residual variation decreased with time, and individuals expressed higher residual variation in the unfamiliar environment. Further, sensitization was stronger in females and in larger individuals in general. Our results suggest that among-individual variation, behavioural plasticity and residual variation are all (i) biologically relevant components of an individual's behavioural strategy and (ii) responsive to changes in environment or labile state variables. We propose pill bugs as promising models for personality research due to the relative ease of getting repeated behavioural measurements.

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“…Thus, this axis of personality has been associated with increased or decreased individual risk of some parasites and pathogens, although the relative roles of individual variation in susceptibility versus exposure in driving these patterns is often difficult to discern (Barber and Dingemanse, 2010). In general, studies have found a positive relationship between individual boldness and parasite or pathogen risk: bolder or more exploratory individuals had higher ectoparasite loads than shy individuals in both Siberian chipmunks (Tamias sibiricus) and firebugs (Pyrrhocoris apterus) (Boyer et al, 2010;Gyuris et al, 2016), and bolder feral cats (Felis catus L.) and deer mice (Peromyscus maniculatus) showed higher seroprevalence of viral and bacterial pathogens, respectively (Dizney and Dearing, 2013;Natoli et al, 2005). In a study that tracked transmission using a labeled, inert bacterium (and thus isolated effects of exploratory behavior on exposure alone), bold female social spiders (Stegodyphus dumicola) had a higher risk of acquiring a cuticular bacterial species (Keiser et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…In a study that tracked transmission using a labeled, inert bacterium (and thus isolated effects of exploratory behavior on exposure alone), bold female social spiders (Stegodyphus dumicola) had a higher risk of acquiring a cuticular bacterial species (Keiser et al, 2016). Effects of personality traits on susceptibility to parasites and pathogens are less well understood (reviewed in Lopes, 2017), but firebugs that mount stronger immune responses behave more boldly (Gyuris et al, 2016), and wild-caught greenfinches (Carduelis chloris) with a calmer coping style while in captivity mount stronger antibody responses to a novel antigen (Sild et al, 2011). The causative role of stress hormones in underlying personality-related differences in susceptibility to pathogens is challenging to unravel, but because stress hormones induce immunomodulation or suppression in many systems (reviewed in Demas et al, 2011), these hormones have the potential to significantly alter host susceptibility to pathogens.…”

Section: Introductionmentioning

confidence: 99%

Exploratory behavior is linked to stress physiology and social network centrality in free-living house finches (Haemorhous mexicanus)

Moyers

Adelman

Farine

et al. 2018

Hormones and Behavior

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Animal personality has been linked to individual variation in both stress physiology and social behaviors, but few studies have simultaneously examined covariation between personality traits, stress hormone levels, and behaviors in free-living animals. We investigated relationships between exploratory behavior (one aspect of animal personality), stress physiology, and social and foraging behaviors in wild house finches (Haemorhous mexicanus). We conducted novel environment assays after collecting samples of baseline and stress-induced plasma corticosterone concentrations from a subset of house finches. We then fitted individuals with Passive Integrated Transponder tags and monitored feeder use and social interactions at radio-frequency identification equipped bird feeders. First, we found that individuals with higher baseline corticosterone concentrations exhibit more exploratory behaviors in a novel environment. Second, more exploratory individuals interacted with more unique conspecifics in the wild, though this result was stronger for female than for male house finches. Third, individuals that were quick to begin exploring interacted more frequently with conspecifics than slow-exploring individuals. Finally, exploratory behaviors were unrelated to foraging behaviors, including the amount of time spent on bird feeders, a behavior previously shown to be predictive of acquiring a bacterial disease that causes annual epidemics in house finches. Overall, our results indicate that individual differences in exploratory behavior are linked to variation in both stress physiology and social network traits in free-living house finches. Such covariation has important implications for house finch ecology, as both traits can contribute to fitness in the wild.

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Personality and ectoparasitic mites (Hemipteroseius adleri) in firebugs (Pyrrhocoris apterus)

Cited by 15 publications

References 57 publications

Parasite infection and host personality: Glugea-infected three-spined sticklebacks are more social

Parasite infection and host personality: Glugea-infected three-spined sticklebacks are more social

Roll with the fear: environment and state dependence of pill bug (Armadillidium vulgare) personalities

Exploratory behavior is linked to stress physiology and social network centrality in free-living house finches (Haemorhous mexicanus)

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