Personality traits across ontogeny in firebugs, Pyrrhocoris apterus

Gyuris, Enikő; Feró, Orsolya; Barta, Zoltán

doi:10.1016/j.anbehav.2012.04.014

Cited by 62 publications

(62 citation statements)

References 37 publications

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“…We found a period of personality restructuring during maturation, as was shown in squids [41]. However, this is not always the case, as some studies document an unchanged structure of behavioural syndrome across ontogeny [35, 40, 45]. …”

Section: Discussionsupporting

confidence: 59%

Development of behavioural profile in the Northern common boa (Boa imperator): Repeatable independent traits or personality?

et al. 2017

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Recent studies of animal personality have focused on its proximate causation and ecological and evolutionary significance in particular, but the question of its development was largely overlooked. The attributes of personality are defined as between-individual differences in behaviour, which are consistent over time (differential consistency) and contexts (contextual generality) and both can be affected by development. We assessed several candidates for personality variables measured in various tests with different contexts over several life-stages (juveniles, older juveniles, subadults and adults) in the Northern common boa. Variables describing foraging/feeding decision and some of the defensive behaviours expressed as individual average values are highly repeatable and consistent. We found two main personality axes—one associated with foraging/feeding and the speed of decision, the other reflecting agonistic behaviour. Intensity of behaviour in the feeding context changes during development, but the level of agonistic behaviour remains the same. The juveniles and adults have a similar personality structure, but there is a period of structural change of behaviour during the second year of life (subadults). These results require a new theoretical model to explain the selection pressures resulting in this developmental pattern of personality. We also studied the proximate factors and their relationship to behavioural characteristics. Physiological parameters (heart and breath rate stress response) measured in adults clustered with variables concerning the agonistic behavioural profile, while no relationship between the juvenile/adult body size and personality concerning feeding/foraging and the agonistic behavioural profile was found. Our study suggests that it is important for studies of personality development to focus on both the structural and differential consistency, because even though behaviour is differentially consistent, the structure can change.

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Section: Discussionsupporting

confidence: 59%

Development of behavioural profile in the Northern common boa (Boa imperator): Repeatable independent traits or personality?

et al. 2017

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“…In yellow bellied marmots (Marmota flaviventris), boldness was only predictable in yearlings, while docility was consistent across all age classes (Petelle et al, 2013). On the other hand, lake frogs (Rana ridibunda; Wilson and Krause, 2012) and firebugs (Pyrrhocoris apterus; Gyuris et al, 2012) show consistent personality (activity and exploration, boldness and exploration, respectively) across all life stages. The flexibility of some personality traits and the persistence of others may signal that some traits may be adaptively fixed, while others are plastic so as to respond to age-specific situations (Petelle et al, 2013).…”

Section: Defining and Evaluating Collective Personalitiesmentioning

confidence: 99%

The development of collective personality: the ontogenetic drivers of behavioral variation across groups

2014

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For the past decade, the study of personality has become a topic on the frontier of behavioral ecology. However, most studies have focused on exploring inter-individual behavioral variation in solitary animals, and few account for the role that social interactions may have on the development of an individual's personality. Moreover, a social group may exhibit collective personality: an emergent behavioral phenotype displayed at the group-level, which is not necessarily the sum or average of individual personalities within that group. The social environment, in many cases, can determine group success, which then influences the relative success of all the individuals in that group. In addition, group-level personality may itself evolve, subject to the same selection pressures as individual-level behavioral variation, when the group is a unit under selection. Therefore, we reason that understanding how collective personalities emerge and change over time will be imperative to understanding individual-and group-level behavioral evolution. Personality is considered to be fixed over an individual's lifetime. However, behavior may shift throughout development, particularly during adolescence. Therefore, juvenile behavior should not be compared with adult behavior when assessing personality. Similarly, as conditions within a group and/or the local environment can shift, group behavior may similarly fluctuate as it matures. We discuss potential within-group factors, such as group initiation, group maturation, genetic make-up of the group, and the internal social environment, and external factors, such as how local environment may play a role in generating group-level personalities. There are a variety of studies that explore group development or quantify group personality, but few that integrate both processes. Therefore, we conclude our review by discussing potential ways to evaluate development of collective personality, and propose several focal areas for future research.

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“…More studies are now desirable that investigate whether behavioral differences induced by developmental effects are consistent and stable, i.e., whether environmental conditions experienced influence animal personalities. Indeed, there is an increasing number of studies focusing on the development of animal personality (e.g., Sinn et al, 2008;Brodin, 2009;Schuett et al, 2011a;Gyuris et al, 2012;Hedrick and Kortet, 2012;Niemelä et al, 2012b;Petelle et al, 2013;Sweeney et al, 2013;Tremmel and Müller, 2013;Guenther et al, 2014;Johnson et al, 2015). To clearly identify underlying processes, experimental studies in which environmental conditions are manipulated are needed.…”

Section: Introductionmentioning

confidence: 99%

Early Environmental Conditions Shape Personality Types in a Jumping Spider

et al. 2015

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Individuals of many species across the animal kingdom are found to be less plastic than expected, even in behavioral traits. The existence of consistent behavioral differences between individuals, termed "personality differences", is puzzling, since plastic behavior is considered ideal to enable animals to adaptively respond to changes in environmental conditions. In order to elucidate which mechanisms are important for the evolution of personality differences, it is crucial to understand which aspects of the environment are important for the development of personality differences. Here, we tested whether physical or social aspects of the environment during development influence individual differentiation (mean level of behavior) using the jumping spider Marpissa muscosa. Furthermore, we assessed whether those behaviors were repeatable, i.e. whether personalities existed. We applied a split-brood design and raised spider siblings in three different environments: a deprived environment with no enrichment, a socially and a physically enriched environment. We focused on exploratory behavior and repeatedly assessed individual behavior in a novel environment and a novel object test. Results show that the environment during development influenced spiders' exploratory tendencies: spiders raised in enriched environments tended to be more exploratory. Most investigated behaviors were repeatable (i.e., personalities existed) across all individuals tested, whereas only few behaviors were also repeatable across individuals that had experienced the same environmental condition. Taken together, our results indicate that external stimuli can influence the development of one aspect of personality, the inter-individual variation (mean level of behavior), in a jumping spider. We also found family by environment interactions on behavioral traits potentially suggesting genetic variation in developmental plasticity.

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Personality traits across ontogeny in firebugs, Pyrrhocoris apterus

Cited by 62 publications

References 37 publications

Development of behavioural profile in the Northern common boa (Boa imperator): Repeatable independent traits or personality?

Development of behavioural profile in the Northern common boa (Boa imperator): Repeatable independent traits or personality?

The development of collective personality: the ontogenetic drivers of behavioral variation across groups

Early Environmental Conditions Shape Personality Types in a Jumping Spider

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