1
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Scharf I, Hanna K, Gottlieb D. Experimental arena settings might lead to misinterpretation of movement properties. INSECT SCIENCE 2024; 31:271-284. [PMID: 37231528 DOI: 10.1111/1744-7917.13213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/07/2023] [Accepted: 04/19/2023] [Indexed: 05/27/2023]
Abstract
Movement is an important animal behavior contributing to reproduction and survival. Animal movement is often examined in arenas or enclosures under laboratory conditions. We used the red flour beetle (Tribolium castaneum) to examine here the effect of the arena size, shape, number of barriers, access to the arena's center, and illumination on six movement properties. We demonstrate great differences among arenas. For example, the beetles moved over longer distances in clear arenas than in obstructed ones. Movement along the arena's perimeter was greater in smaller arenas than in larger ones. Movement was more directional in round arenas than in rectangular ones. In general, the beetles stopped moving closer to the perimeter and closer to corners (in the square and rectangular arenas) than expected by chance. In some cases, the arena properties interacted with the beetle sex to affect several movement properties. All these suggest that arena properties might also interact with experimental manipulations to affect the outcome of studies and lead to results specific to the arena used. In other words, instead of examining animal movement, we in fact examine the animal interaction with the arena structure. Caution is therefore advised in interpreting the results of studies on movement in arenas under laboratory conditions and we recommend paying attention also to barriers or obstacles in field experiments. For instance, movement along the arena's perimeter is often interpreted as centrophobism or thigmotaxis but the results here show that such movement is arena dependent.
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Affiliation(s)
- Inon Scharf
- The George S. Wise Faculty of Life Sciences, School of Zoology, Tel Aviv University, Tel Aviv, Israel
| | - Kimberley Hanna
- The George S. Wise Faculty of Life Sciences, School of Zoology, Tel Aviv University, Tel Aviv, Israel
| | - Daphna Gottlieb
- Department of Food Science, Institute of Post-Harvest and Food Science, Volcani Center, ARO, Rishon LeZion, Israel
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2
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Scharf I, Radai A, Goldshtein D, Hanna K. Flour beetles prefer corners over walls and are slowed down with increasing habitat complexity. ROYAL SOCIETY OPEN SCIENCE 2024; 11:231667. [PMID: 38234433 PMCID: PMC10791520 DOI: 10.1098/rsos.231667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 12/19/2023] [Indexed: 01/19/2024]
Abstract
Movement affects all key behaviours in which animals engage, including dispersal and habitat use. The red flour beetle, known as a cosmopolitan pest of stored products, was the subject of our study. We examined whether the beetles preferred corners, walls or open areas, and how turns or obstacles in corridors delayed the beetles' arrival at a target cell. Beetles spent significantly more time in corners than expected by chance, while they spent considerably less time in open areas than expected. However, no significant difference was observed between areas with two or three surrounding walls. This could be attributed to the beetles' stronger attraction to corners than crevices or the insufficient proximity of the third wall to the other two. Movement through the corridor was delayed by turns or obstacles, expressed in arrival probabilities, arrival times, time in the corridor or movement speed. Obstacles on the corridor's perimeter had a stronger effect on the beetle movement than those in the corridor's centre owing to the beetles' tendency to follow walls. The research is important also for applied purposes, such as better understanding beetle movement, how to delay their arrival to new patches, and where to place traps.
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Affiliation(s)
- Inon Scharf
- School of Zoology, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Amit Radai
- School of Zoology, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Dar Goldshtein
- School of Zoology, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Kimberley Hanna
- School of Zoology, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
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3
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Horváth G, Garamszegi LZ, Herczeg G. Phylogenetic meta-analysis reveals system-specific behavioural type-behavioural predictability correlations. ROYAL SOCIETY OPEN SCIENCE 2023; 10:230303. [PMID: 37680498 PMCID: PMC10480700 DOI: 10.1098/rsos.230303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 07/24/2023] [Indexed: 09/09/2023]
Abstract
The biological significance of behavioural predictability (environment-independent within-individual behavioural variation) became accepted recently as an important part of an individual's behavioural strategy besides behavioural type (individual mean behaviour). However, we do not know how behavioural type and predictability evolve. Here, we tested different evolutionary scenarios: (i) the two traits evolve independently (lack of correlations) and (ii) the two traits' evolution is constrained (abundant correlations) due to either (ii/a) proximate constraints (direction of correlations is similar) or (ii/b) local adaptations (direction of correlations is variable). We applied a set of phylogenetic meta-analyses based on 93 effect sizes across 44 vertebrate and invertebrate species, focusing on activity and risk-taking. The general correlation between behavioural type and predictability did not differ from zero. Effect sizes for correlations showed considerable heterogeneity, with both negative and positive correlations occurring. The overall absolute (unsigned) effect size was high (Zr = 0.58), and significantly exceeded the null expectation based on randomized data. Our results support the adaptive scenario: correlations between behavioural type and predictability are abundant in nature, but their direction is variable. We suggest that the evolution of these behavioural components might be constrained in a system-specific way.
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Affiliation(s)
- Gergely Horváth
- Department of Systematic Zoology and Ecology, Institute of Biology, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/C, 1117 Budapest, Hungary
- ELKH-ELTE-MTM Integrative Ecology Research Group, Pázmány Péter sétány 1/C, 1117 Budapest, Hungary
| | - László Zsolt Garamszegi
- Centre for Ecological Research, Institute of Ecology and Botany, Alkotmány u. 2-4, 2163 Vácrátót, Hungary
- National Laboratory for Health Security, Centre for Ecological Research, Budapest, Hungary
| | - Gábor Herczeg
- Department of Systematic Zoology and Ecology, Institute of Biology, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/C, 1117 Budapest, Hungary
- ELKH-ELTE-MTM Integrative Ecology Research Group, Pázmány Péter sétány 1/C, 1117 Budapest, Hungary
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4
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Natta G, Laini A, Roggero A, Fabbriciani F, Rolando A, Palestrini C. Behavioural Repeatability and Behavioural Syndrome in the Dung Beetle Copris umbilicatus (Coleoptera, Scarabaeidae). INSECTS 2023; 14:529. [PMID: 37367344 DOI: 10.3390/insects14060529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/02/2023] [Accepted: 06/04/2023] [Indexed: 06/28/2023]
Abstract
Although personality studies have primarily focused on vertebrates, the evidence showing invertebrates to be capable of displaying personalities has been steadily growing in recent years. In this study, we investigated the behavioural repeatability (repetition of a behaviour over time) and behavioural syndromes (a set of correlated behaviours) in Copris umbilicatus, which is a dung beetle species showing complex sub-social behaviour. We analysed three behaviours (activity, thanatosis and distress call emission) by measuring seven distinct behavioural traits (i.e., three activity-, one thanatosis- and three distress call-related traits). We found moderate to high levels of individual repeatability in all behavioural traits considered. The duration of thanatosis was inversely correlated with two activity traits, hinting a behavioural syndrome for thanatosis and activity, with bolder individuals exhibiting shorter thanatosis and higher locomotor activity in contrast with fearful individuals, which display longer thanatosis and poor locomotor activity. No relationships were found between the behavioural traits and body size or sex. Results of the principal component analysis (PCA) suggested personality differences among individuals. Dung beetles provide an impressive variety of ecosystem services. Since the provision of these services may depend on the personalities represented in local populations and communities, studies on the ecology of personality in dung beetles should be encouraged in future research.
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Affiliation(s)
- Gianluca Natta
- Department of Life Science and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Torino, Italy
| | - Alex Laini
- Department of Life Science and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Torino, Italy
| | - Angela Roggero
- Department of Life Science and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Torino, Italy
| | | | - Antonio Rolando
- Department of Life Science and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Torino, Italy
| | - Claudia Palestrini
- Department of Life Science and Systems Biology, University of Turin, Via Accademia Albertina 13, 10123 Torino, Italy
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
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5
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Kerman K, Roggero A, Rolando A, Palestrini C. Sexual horn dimorphism predicts the expression of active personality trait: males perform better only in the sexually horn dimorphic Onthophagus dung beetle. J ETHOL 2023. [DOI: 10.1007/s10164-023-00782-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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6
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Magura T, Horváth R, Mizser S, Tóth M, Nagy DD, Csicsek R, Balla E, Lövei GL. Urban Individuals of Three Rove Beetle Species Are Not More Exploratory or Risk-Taking Than Rural Conspecifics. INSECTS 2022; 13:757. [PMID: 36005382 PMCID: PMC9409932 DOI: 10.3390/insects13080757] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/15/2022] [Accepted: 08/18/2022] [Indexed: 06/15/2023]
Abstract
Urbanization is creating changes in environmental and habitat conditions, as well as creating disturbance and threats to urban-associated species. Some traits, such as high exploratory and risk-taking behavior, are beneficial to allow colonization of urban habitats and coping with urbanization-derived pressures. In this study the exploratory and risk-taking behavior of rural and urban individuals of three forest-associated rove beetle species were tested during their main reproductive period by five frequently used behavioral measures. Individuals of all studied species were similarly ranked by all behavioral measures, indicating that the studied rove beetles responded consistently in the different contexts. However, the behavior of beetles was consistent over time for all/most studied species only by using two measures of exploratory behavior. These provide evidence for the existence of the exploratory dimension of personality in rove beetles. We found a higher exploratory behavior in males than females in Ocypus nitens which can be explained by the active searching of males for mating partners. There were no urbanization-related differences in the exploratory behavior of individuals, suggesting that behavioral changes (being more exploratory) may not yield additional fitness benefits in these rove beetle species with good dispersal capacity.
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Affiliation(s)
- Tibor Magura
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
- ELKH-DE Anthropocene Ecology Research Group, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
| | - Roland Horváth
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
- ELKH-DE Anthropocene Ecology Research Group, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
| | - Szabolcs Mizser
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
| | - Mária Tóth
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
- ELKH-DE Anthropocene Ecology Research Group, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
| | - Dávid D. Nagy
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
| | - Réka Csicsek
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
| | - Emőke Balla
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
| | - Gábor L. Lövei
- ELKH-DE Anthropocene Ecology Research Group, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary
- Department of Agroecology, Research Centre Flakkebjerg, Aarhus University, DK-4200 Slagelse, Denmark
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7
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Harrison LM, Noble DWA, Jennions MD. A meta-analysis of sex differences in animal personality: no evidence for the greater male variability hypothesis. Biol Rev Camb Philos Soc 2021; 97:679-707. [PMID: 34908228 DOI: 10.1111/brv.12818] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 11/13/2021] [Accepted: 11/17/2021] [Indexed: 12/18/2022]
Abstract
The notion that men are more variable than women has become embedded into scientific thinking. For mental traits like personality, greater male variability has been partly attributed to biology, underpinned by claims that there is generally greater variation among males than females in non-human animals due to stronger sexual selection on males. However, evidence for greater male variability is limited to morphological traits, and there is little information regarding sex differences in personality-like behaviours for non-human animals. Here, we meta-analysed sex differences in means and variances for over 2100 effects (204 studies) from 220 species (covering five broad taxonomic groups) across five personality traits: boldness, aggression, activity, sociality and exploration. We also tested if sexual size dimorphism, a proxy for sex-specific sexual selection, explains variation in the magnitude of sex differences in personality. We found no significant differences in personality between the sexes. In addition, sexual size dimorphism did not explain variation in the magnitude of the observed sex differences in the mean or variance in personality for any taxonomic group. In sum, we find no evidence for widespread sex differences in variability in non-human animal personality.
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Affiliation(s)
- Lauren M Harrison
- Division of Ecology and Evolution, Research School of Biology, The Australian National University, 46 Sullivans Creek Road, Canberra, ACT, 2600, Australia
| | - Daniel W A Noble
- Division of Ecology and Evolution, Research School of Biology, The Australian National University, 46 Sullivans Creek Road, Canberra, ACT, 2600, Australia
| | - Michael D Jennions
- Division of Ecology and Evolution, Research School of Biology, The Australian National University, 46 Sullivans Creek Road, Canberra, ACT, 2600, Australia
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8
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Magura T, Mizser S, Horváth R, Nagy DD, Tóth M, Csicsek R, Lövei GL. Are There Personality Differences between Rural vs. Urban-Living Individuals of a Specialist Ground Beetle, Carabus convexus? INSECTS 2021; 12:insects12070646. [PMID: 34357306 PMCID: PMC8304727 DOI: 10.3390/insects12070646] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/09/2021] [Accepted: 07/12/2021] [Indexed: 11/16/2022]
Abstract
Simple Summary Urbanization causes substantial changes in environmental and habitat conditions. These, as well as more frequent disturbance events accompanying urbanization constitute selective forces acting on various reactions of urban-associated species, including behavior. In this study, rural and urban individuals of a forest specialist ground beetle, Carabus convexus were tested for their exploratory and risk-taking behavior. Beetles responded consistently in the different contexts, and also over time, demonstrating that they had personalities. Carabus convexus is the second ground beetle species in which the existence of personality was demonstrated. By agglomerative cluster analysis, we identified two groups of behavioral traits: the exploratory and the risk-taking dimensions of personality. Urban females were significantly more exploratory than urban males which can be an adaptation to find high quality food needed to mature eggs, as well as to find favorable microsites for oviposition. Moreover, urban females and males showed higher level of risk-taking behavior than rural females. Urban beetles with higher risk-taking behavior may be better able to cope with new conditions created by frequent urbanization-driven disturbance events. Abstract The world-wide, rapid urbanization is leading to substantial changes in environmental and habitat conditions. These changes, as well as disturbances accompanying urbanization have considerable effects at various levels of the biological organization on wildlife. Understanding behavioral responses to such changes is essential for identifying which organisms may successfully adapt to the altered conditions. In this study, individuals of a forest specialist ground beetle, Carabus convexus, from rural and urban forest patches were tested for their exploratory and risk-taking behavior. Beetles responded consistently in the different contexts; furthermore, by behaving consistently over time, demonstrated that they had personalities. Agglomerative cluster analysis identified two groups of behavioral traits: the exploratory and the risk-taking dimension of personality. Urban females were significantly more exploratory than urban males which can be an adaptation to find high quality food needed to mature eggs in urban habitats, as well as to select favorable microsites for oviposition. Moreover, urban females and males showed more risk-taking behavior than rural females. Urban beetles with more risk-taking behavior may be better able to cope with frequent urbanization-driven disturbance events.
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Affiliation(s)
- Tibor Magura
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary; (T.M.); (S.M.); (R.H.); (D.D.N.); (M.T.); (R.C.)
| | - Szabolcs Mizser
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary; (T.M.); (S.M.); (R.H.); (D.D.N.); (M.T.); (R.C.)
| | - Roland Horváth
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary; (T.M.); (S.M.); (R.H.); (D.D.N.); (M.T.); (R.C.)
| | - Dávid D. Nagy
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary; (T.M.); (S.M.); (R.H.); (D.D.N.); (M.T.); (R.C.)
| | - Mária Tóth
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary; (T.M.); (S.M.); (R.H.); (D.D.N.); (M.T.); (R.C.)
| | - Réka Csicsek
- Department of Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem sq. 1, H-4032 Debrecen, Hungary; (T.M.); (S.M.); (R.H.); (D.D.N.); (M.T.); (R.C.)
| | - Gábor L. Lövei
- Department of Agroecology, Aarhus University, Flakkebjerg Research Center, DK-4200 Slagelse, Denmark
- Correspondence:
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9
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Pointer MD, Gage MJG, Spurgin LG. Tribolium beetles as a model system in evolution and ecology. Heredity (Edinb) 2021; 126:869-883. [PMID: 33767370 PMCID: PMC8178323 DOI: 10.1038/s41437-021-00420-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 02/19/2021] [Accepted: 02/19/2021] [Indexed: 02/01/2023] Open
Abstract
Flour beetles of the genus Tribolium have been utilised as informative study systems for over a century and contributed to major advances across many fields. This review serves to highlight the significant historical contribution that Tribolium study systems have made to the fields of ecology and evolution, and to promote their use as contemporary research models. We review the broad range of studies employing Tribolium to make significant advances in ecology and evolution. We show that research using Tribolium beetles has contributed a substantial amount to evolutionary and ecological understanding, especially in the fields of population dynamics, reproduction and sexual selection, population and quantitative genetics, and behaviour, physiology and life history. We propose a number of future research opportunities using Tribolium, with particular focus on how their amenability to forward and reverse genetic manipulation may provide a valuable complement to other insect models.
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Affiliation(s)
- Michael D Pointer
- School of Biological Sciences, University of East Anglia, Norwich, UK.
| | - Matthew J G Gage
- School of Biological Sciences, University of East Anglia, Norwich, UK
| | - Lewis G Spurgin
- School of Biological Sciences, University of East Anglia, Norwich, UK.
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10
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Anwer H, Mason D, Zajitschek S, Noble DWA, Hesselson D, Morris MJ, Lagisz M, Nakagawa S. An efficient new assay for measuring zebrafish anxiety: Tall tanks that better characterize between-individual differences. J Neurosci Methods 2021; 356:109138. [PMID: 33753125 DOI: 10.1016/j.jneumeth.2021.109138] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/31/2021] [Accepted: 03/11/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Zebrafish (Danio rerio) are increasingly being used to model anxiety. A common behavioral assay employed for assessing anxiety-like behaviors in zebrafish is the "novel tank test". We hypothesized that using deeper tanks in this test would result in greater between-individual variation in behavioral responses and a more 'repeatable' assay. NEW METHODS After mapping the literature and identifying common behavioral parameters used in analysis, we performed novel tank anxiety tests in both custom-designed 'tall' tanks with increased depth and 'short' trapezoidal tanks. We compared the repeatability of the behavioral parameters between tall and short tanks and also investigated sex differences. RESULTS Overall, regardless of tank depth, almost all behavioral parameters associated with anxiety in zebrafish were significantly repeatable (R = 0.24 to 0.60). Importantly, our tall tanks better captured between-individual differences, resulting in higher repeatability estimates (average repeatability tall tanks: R = 0.46; average repeatability short tanks: R = 0.36) and clearer sex differences. CONCLUSIONS Our assay using tall tanks has advantages over tests based on short tanks which underestimate repeatability. We argue that use of deeper tanks will improve the reliability of behavioral data across studies using novel tank tests for zebrafish. Our results also call for increased attention in designing the most appropriate assay in biomedical and behavioral sciences as current methods may lack the sensitivity to detect subtle, yet important, information, such as between-individual variation, an important component in assessing the reliability of behavioral data.
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Affiliation(s)
- Hamza Anwer
- Evolution & Ecology Research Centre and School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, 2052, Australia; Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, 2010, Australia.
| | - Dominic Mason
- Evolution & Ecology Research Centre and School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, 2052, Australia; Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Susanne Zajitschek
- Evolution & Ecology Research Centre and School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, 2052, Australia; Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, 2010, Australia; Liverpool John Moores University, School of Biological and Environmental Sciences, Liverpool, L3 3 AF, United Kingdom
| | - Daniel W A Noble
- Evolution & Ecology Research Centre and School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, 2052, Australia; Division of Ecology and Evolution, Research School of Biology, The Australian National University, Canberra, ACT, 0200, Australia
| | - Daniel Hesselson
- Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, 2010, Australia; Centenary Institute and Faculty of Medicine and Health, University of Sydney, Sydney, NSW, 2006, Australia
| | - Margaret J Morris
- Department of Pharmacology, School of Medical Sciences, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Malgorzata Lagisz
- Evolution & Ecology Research Centre and School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, 2052, Australia; Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, 2010, Australia
| | - Shinichi Nakagawa
- Evolution & Ecology Research Centre and School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW, 2052, Australia; Diabetes and Metabolism Division, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, 2010, Australia
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11
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Jablonszky M, Krenhardt K, Markó G, Szász E, Hegyi G, Herényi M, Kötél D, Laczi M, Nagy G, Rosivall B, Török J, Garamszegi LZ. A behavioural trait displayed in an artificial novel environment correlates with dispersal in a wild bird. Ethology 2020. [DOI: 10.1111/eth.13005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Mónika Jablonszky
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Katalin Krenhardt
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Gábor Markó
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
- Department of Plant Pathology Szent István University Budapest Hungary
| | - Eszter Szász
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Gergely Hegyi
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Márton Herényi
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
- Department of Zoology and Animal Ecology Szent István University Gödöllő Hungary
| | - Dóra Kötél
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Miklós Laczi
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Gergely Nagy
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Balázs Rosivall
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - János Török
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - László Zsolt Garamszegi
- MTA‐ELTE Theoretical Biology and Evolutionary Ecology Research Group Institute of Physics Eötvös Loránd University Budapest Hungary
- Department of Evolutionary Ecology Estación Biológica de Doñana‐CSIC Seville Spain
- Institute of Ecology and Botany Centre for Ecological Research Hungarian Academy of Sciences Vácrátót Hungary
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12
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Carlson BE, Tetzlaff SJ. Long‐term behavioral repeatability in wild adult and captive juvenile turtles (
Terrapene carolina
): Implications for personality development. Ethology 2020. [DOI: 10.1111/eth.13024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
| | - Sasha J. Tetzlaff
- Department of Natural Resources and Environmental Sciences University of Illinois at Urbana‐Champaign Urbana Illinois
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13
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Kok EMA, Burant JB, Dekinga A, Manche P, Saintonge D, Piersma T, Mathot KJ. Within-Individual Canalization Contributes to Age-Related Increases in Trait Repeatability: A Longitudinal Experiment in Red Knots. Am Nat 2019; 194:455-469. [DOI: 10.1086/704593] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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14
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Labaude S, O'Donnell N, Griffin CT. Description of a personality syndrome in a common and invasive ground beetle (Coleoptera: Carabidae). Sci Rep 2018; 8:17479. [PMID: 30504923 PMCID: PMC6269510 DOI: 10.1038/s41598-018-35569-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 10/23/2018] [Indexed: 11/23/2022] Open
Abstract
Animal personality, defined as consistent differences among individuals in their behaviour, is being increasingly studied as it might lead to a new understanding of the evolution of behaviours. Despite a clear interest in studying personality in a wide range of taxa for comparative analyses, studies on invertebrates are still scarce. Here, we investigated the personality of a ground beetle, Nebria brevicollis, which is widespread in Europe and invasive in North America. We measured seven behavioural traits from an array of three different tests: (i) activity and exploration related traits; (ii) reaction to a threat, and (iii) phototaxis. The repeatability was tested by measuring all behaviours twice, on different days. All behavioural traits were consistent through time, highlighting the presence of personality in the beetle. In addition, we analysed the relationship between the different traits and highlighted two clusters of behaviours (behavioural syndrome), one grouping activity, exploration and boldness traits, and a second one consisting of responses to a threat. This study is the first to our knowledge to provide evidence for personality dimensions within the vast group of the Carabidae. It also constitutes a preliminary step in the experimental investigation of the importance of animal personality in invasive species.
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Affiliation(s)
- Sophie Labaude
- Department of Biology, Maynooth University, Maynooth, Ireland.
| | - Niamh O'Donnell
- Department of Biology, Maynooth University, Maynooth, Ireland
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15
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Urbanisation and sex affect the consistency of butterfly personality across metamorphosis. Behav Ecol Sociobiol 2018. [DOI: 10.1007/s00265-018-2616-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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16
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Endriss SB, Vahsen ML, Bitume EV, Grey Monroe J, Turner KG, Norton AP, Hufbauer RA. The importance of growing up: juvenile environment influences dispersal of individuals and their neighbours. Ecol Lett 2018; 22:45-55. [PMID: 30450720 DOI: 10.1111/ele.13166] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/03/2018] [Accepted: 08/30/2018] [Indexed: 12/31/2022]
Abstract
Dispersal is a key ecological process that is strongly influenced by both phenotype and environment. Here, we show that juvenile environment influences dispersal not only by shaping individual phenotypes, but also by changing the phenotypes of neighbouring conspecifics, which influence how individuals disperse. We used a model system (Tribolium castaneum, red flour beetles) to test how the past environment of dispersing individuals and their neighbours influences how they disperse in their current environment. We found that individuals dispersed especially far when exposed to a poor environment as adults if their phenotype, or even one-third of their neighbours' phenotypes, were shaped by a poor environment as juveniles. Juvenile environment therefore shapes dispersal both directly, by influencing phenotype, as well as indirectly, by influencing the external social environment. Thus, the juvenile environment of even a minority of individuals in a group can influence the dispersal of the entire group.
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Affiliation(s)
- Stacy B Endriss
- Graduate Degree Program in Ecology, Colorado State University, Fort Collins, CO, USA.,Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, USA.,Department of Natural Resources, Cornell University, Ithaca, NY, USA
| | - Megan L Vahsen
- Graduate Degree Program in Ecology, Colorado State University, Fort Collins, CO, USA.,Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, USA.,Department of Biological Sciences, University of Notre Dame, Notre Dame, IN, USA
| | - Ellyn V Bitume
- Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, USA.,Exotic and Invasive Weeds Research Unit, U.S. Department of Agriculture - Agricultural Research Service, Albany, CA, USA
| | - J Grey Monroe
- Graduate Degree Program in Ecology, Colorado State University, Fort Collins, CO, USA.,Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, USA
| | - Kathryn G Turner
- Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, USA.,Department of Biology, Pennsylvania State University, State College, PA, USA
| | - Andrew P Norton
- Graduate Degree Program in Ecology, Colorado State University, Fort Collins, CO, USA.,Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, USA
| | - Ruth A Hufbauer
- Graduate Degree Program in Ecology, Colorado State University, Fort Collins, CO, USA.,Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, USA
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17
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Koenig AM, Ousterhout BH. Behavioral syndrome persists over metamorphosis in a pond-breeding amphibian. Behav Ecol Sociobiol 2018. [DOI: 10.1007/s00265-018-2595-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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18
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Struelens Q, Rebaudo F, Quispe R, Dangles O. Thermal pace-of-life strategies improve phenological predictions in ectotherms. Sci Rep 2018; 8:15891. [PMID: 30367155 PMCID: PMC6203799 DOI: 10.1038/s41598-018-34274-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 10/04/2018] [Indexed: 01/20/2023] Open
Abstract
Phenological variability among populations is widespread in nature. A few predictive phenological models integrate intrapopulational variability, but none has ever explored the individual strategies potentially occurring within a population. The "pace-of-life" syndrome accounts for such individual strategies, but has yet to be explored under a phenological context. Here we integrated, for the first time, the slow-fast thermal strategies stemming from the "pace-of-life" into a mechanistic predictive framework. We obtained 4619 phenological observations of an important crop pest in the Bolivian Andes by individually following 840 individuals under five rearing temperatures and across nine life stages. The model calibrated with the observed individual "pace-of-life" strategies showed a higher accuracy in phenological predictions than when accounting for intrapopulational variability alone. We further explored our framework with generated data and suggest that ectotherm species with a high number of life stages and with slow and/or fast individuals should exhibit a greater variance of populational phenology, resulting in a potentially longer time window of interaction with other species. We believe that the "pace-of-life" framework is a promising approach to improve phenological prediction across a wide array of species.
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Affiliation(s)
- Quentin Struelens
- Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France. .,Institut de Recherche pour le Développement, Centre d'Ecologie Fonctionnelle et Evolutive, UMR 5175, CNRS, Université de Montpellier, Université Paul Valéry, Montpellier, EPHE, IRD, Montpellier, France.
| | - François Rebaudo
- Institut de Recherche pour le Développement, UMR EGCE-Université Paris Sud-CNRS-IRD-Paris Saclay, Gif-sur-Yvette, France
| | | | - Olivier Dangles
- Institut de Recherche pour le Développement, Centre d'Ecologie Fonctionnelle et Evolutive, UMR 5175, CNRS, Université de Montpellier, Université Paul Valéry, Montpellier, EPHE, IRD, Montpellier, France.,Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York, USA
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19
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Rangel-Patiño C, García-Morales C, Mastachi-Loza C, Carmen-Cristóbal JM, Ruiz-Gómez MDL. Personality and its variation between sexes in the black-bellied bunchgrass lizard Sceloporus aeneus
during the breeding season. Ethology 2018. [DOI: 10.1111/eth.12814] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Carlos Rangel-Patiño
- Laboratorio de Ecología y Conducta, Facultad de Ciencias; Universidad Autónoma del Estado de México; Toluca Estado de México México
| | - Carla García-Morales
- Laboratorio de Biología Molecular y del Desarrollo, Facultad de Ciencias; Universidad Autónoma del Estado de México; Toluca Estado de México México
| | - Carlos Mastachi-Loza
- Centro Interamericano de Recursos del Agua, Facultad de Ingeniería; Universidad Autónoma del Estado de México; Toluca Estado de México México
| | - Juan M. Carmen-Cristóbal
- Laboratorio de Ecología y Conducta, Facultad de Ciencias; Universidad Autónoma del Estado de México; Toluca Estado de México México
| | - María de Lourdes Ruiz-Gómez
- Laboratorio de Ecología y Conducta, Facultad de Ciencias; Universidad Autónoma del Estado de México; Toluca Estado de México México
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20
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Reiskind MH, Janairo MS. Tracking Aedes aegypti (Diptera: Culicidae) Larval Behavior Across Development: Effects of Temperature and Nutrients on Individuals' Foraging Behavior. JOURNAL OF MEDICAL ENTOMOLOGY 2018; 55:1086-1092. [PMID: 29771372 DOI: 10.1093/jme/tjy073] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Indexed: 06/08/2023]
Abstract
Immature mosquitoes alter their foraging behavior in response to variation in nutrients, predators, and temperature, with consequences on the adult stage where pathogens are transmitted. These patterns of behavior have not been described with respect to both developmental stage and environmental variation, nor has behavior been examined within an individual across instars. We hypothesized that individual larvae have distinct behavioral syndromes, and predict that the rank of foraging activity in the third instar will be correlated with foraging activity in the fourth instar for an individual across all conditions. We also hypothesized that individuals that fail to achieve adulthood forage more intensely than those that will emerge due to the need for greater resources. To examine these hypotheses, we conducted an experiment in which we exposed 96 individual Aedes aegypti L. (Diptera: Culicidae) larvae to four combinations of temperature and nutrients. We recorded larvae in the third and fourth instar, and generated time budgets of active and passive foraging behaviors. We found correlations between individual behavior in the third and fourth instar when conditions were the most stressful (cool temperatures and low nutrients). Controlling for this intra-individual behavior, there was variation between instar behaviors, but this was dependent on both temperature and nutrients. We also found that larvae that failed to pupate within 28 d before emergence foraged more intensely than those that emerged. While we found no evidence that mosquitoes have distinct behavioral syndromes in Ae. aegypti, we did find support that nutrients and temperature affect behavior differently at different instars.
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Affiliation(s)
- Michael H Reiskind
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC
| | - M Shawn Janairo
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC
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21
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Ingram T, Burns ZD. Top-down control by an aquatic invertebrate predator increases with temperature but does not depend on individual behavioral type. Ecol Evol 2018; 8:8256-8265. [PMID: 30250700 PMCID: PMC6144970 DOI: 10.1002/ece3.4367] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 05/25/2018] [Accepted: 06/25/2018] [Indexed: 11/16/2022] Open
Abstract
Variation in behavioral traits among individuals within a population can have implications for food webs and ecosystems. Temperature change also alters food web structure and function, but potential interactions between warming and intraspecific behavioral variation are largely unexplored. We aimed to test how increased temperature, individual activity level of a predatory backswimmer (Anisops assimilis), and their interaction influenced the strength of top-down control of zooplankton and phytoplankton. We used stable isotopes to support our assumption that the study population of A. assimilis is zooplanktivorous, and behavioral trials to confirm that activity level is a repeatable trait. We established freshwater microcosms to test for effects of warming, backswimmer presence, and backswimmer behavioral type on zooplankton density, zooplankton composition, and phytoplankton chlorophyll a. Top-down control was present and was generally stronger at increased temperature. There was no indication that predator behavioral type influenced the strength of top-down control either on its own or interactively with temperature. Predator behavioral type may not be associated with ecologically important function in this species at the temporal and spatial scales addressed in this study, but the links between behavior, temperature, and food web processes are worthy of broader exploration.
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Affiliation(s)
- Travis Ingram
- Department of ZoologyUniversity of OtagoDunedinNew Zealand
| | - Zuri D. Burns
- Department of ZoologyUniversity of OtagoDunedinNew Zealand
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22
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Abstract
Abstract
The developmental perspectives of animal personality enhance our understanding of how personality structure changes in relation to life stage. Clonal animals are ideal models for developmental studies because personality differences can be solely attributed to environmental factors. Here, I investigated the presence of personality within a species of clonal gecko, Lepidodactylus lugubris, at different developmental stages. For juveniles and adult geckos, I measured exploration (reaction to a novel situation) and boldness (risk-prone tendency) and evaluated repeatability and correlation of these behavioural traits. Each gecko exhibited different exploration and boldness with significant repeatability through time but no correlation between these behavioural traits. Small juveniles were composed of only bold and low explorative individuals but large juveniles and adults were composed of various personality type individuals. These results demonstrate that subject geckos have a similar personality structure across life stages and that exploration and boldness are independent personality without forming behavioural syndrome structure. Biased composition of personality type between life stages suggests that appearance of different personality type individuals during an early ontogenetic stage generates personality variation within the clonal population. This study provides developmental insight about personality structure and its composition in clonal animals living in the wild.
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23
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Amat I, Desouhant E, Gomes E, Moreau J, Monceau K. Insect personality: what can we learn from metamorphosis? CURRENT OPINION IN INSECT SCIENCE 2018; 27:46-51. [PMID: 30025634 DOI: 10.1016/j.cois.2018.02.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 02/08/2018] [Accepted: 02/09/2018] [Indexed: 06/08/2023]
Abstract
Ontogeny of animal personality is still an open question. Testing whether personality traits correlated with state variables (e.g. metabolic rate, hormones) and/or life history traits, and which ones are involved, requires more empirical studies. Insects with metamorphosis represent a good opportunity to tackle this question. Because of the various degrees of internal (physiological, nervous) and environmental changes linked to metamorphosis they allow testing whether these modifications drive consistency in personality traits between immature and adult stages. In this review, we establish general predictions for the effects of metamorphosis on personality in insects with complete or incomplete metamorphosis and suffering from a strong or weak niche shift after metamorphosis. We then reviewed the still rare empirical literature and discuss future research axes.
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Affiliation(s)
- Isabelle Amat
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, 69100 Villeurbanne, France.
| | - Emmanuel Desouhant
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, 69100 Villeurbanne, France
| | - Elisa Gomes
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, 69100 Villeurbanne, France
| | - Jérôme Moreau
- UMR CNRS 6282 Biogéosciences, Equipe Ecologie Evolutive, Université de Bourgogne-Franche-Comté, 21000 Dijon, France
| | - Karine Monceau
- Centre d'Etudes Biologiques de Chizé, UMR 7372 CNRS, Université de la Rochelle, 79360 Villiers en Bois, France
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24
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25
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Wexler Y, Scharf I. Distinct effects of two separately applied stressors on behavior in the red flour beetle. Behav Processes 2017; 145:86-92. [DOI: 10.1016/j.beproc.2017.10.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 10/16/2017] [Accepted: 10/17/2017] [Indexed: 02/06/2023]
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26
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DiRienzo N, Aonuma H. Individual differences are consistent across changes in mating status and mediated by biogenic amines. Behav Ecol Sociobiol 2017. [DOI: 10.1007/s00265-017-2345-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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27
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Krause ET, Krüger O, Schielzeth H. Long-term effects of early nutrition and environmental matching on developmental and personality traits in zebra finches. Anim Behav 2017. [DOI: 10.1016/j.anbehav.2017.04.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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28
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Müller T, Müller C. Phenotype of a leaf beetle larva depends on host plant quality and previous test experience. Behav Processes 2017; 142:40-45. [PMID: 28552703 DOI: 10.1016/j.beproc.2017.05.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 04/28/2017] [Accepted: 05/22/2017] [Indexed: 12/21/2022]
Abstract
Phenotypic expressions of insects are strongly dependent on various external and internal factors, like diet or density and age or sex. However, environmental effects on the behavioural phenotype and repeatability are rather unexplored for holometabolous insects in their larval stage. We examined the effects of the food environment (young versus old cabbage leaves) and previous test experience on growth and behaviour of Phaedon cochleariae larvae. A more nutritious diet, i.e., young leaves, had beneficial consequences on larval growth. Contrary to findings on adults, the behaviour of larvae was neither consistent over time nor across contexts, thus larvae did not show personality. Furthermore, larval behaviour was shaped independent of the diet, pointing to a stage-dependent receptivity towards diet conditions in this species. Besides, larval activity was significantly influenced by former test experience, with naïve larvae being more active than previously tested larvae. In general, in insects memories in an olfactory or sexual behaviour context can lead to behavioural responses later in life. Mechanisms of memory-learning should be further explored in different contexts in insects. Overall, the present study reveals that growth-related traits are diet-dependent and that the activity of a holometabolous larva is shaped in dependence of its previous test experience.
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Affiliation(s)
- Thorben Müller
- Department of Chemical Ecology, Bielefeld University, Universitätsstr. 25, 33615 Bielefeld, Germany.
| | - Caroline Müller
- Department of Chemical Ecology, Bielefeld University, Universitätsstr. 25, 33615 Bielefeld, Germany
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29
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Monceau K, Dechaume-Moncharmont FX, Moreau J, Lucas C, Capoduro R, Motreuil S, Moret Y. Personality, immune response and reproductive success: an appraisal of the pace-of-life syndrome hypothesis. J Anim Ecol 2017; 86:932-942. [PMID: 28425582 DOI: 10.1111/1365-2656.12684] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 04/07/2017] [Indexed: 01/18/2023]
Abstract
The pace-of-life syndrome (POLS) hypothesis is an extended concept of the life-history theory that includes behavioural traits. The studies challenging the POLS hypothesis often focus on the relationships between a single personality trait and a physiological and/or life-history trait. While pathogens represent a major selective pressure, few studies have been interested in testing relationships between behavioural syndrome, and several fitness components including immunity. The aim of this study was to address this question in the mealworm beetle, Tenebrio molitor, a model species in immunity studies. The personality score was estimated from a multidimensional syndrome based of four repeatable behavioural traits. In a first experiment, we investigated its relationship with two measures of fitness (reproduction and survival) and three components of the innate immunity (haemocyte concentration, and levels of activity of the phenoloxidase including the total proenzyme and the naturally activated one) to challenge the POLS hypothesis in T. molitor. Overall, we found a relationship between behavioural syndrome and reproductive success in this species, thus supporting the POLS hypothesis. We also showed a sex-specific relationship between behavioural syndrome and basal immune parameters. In a second experiment, we tested whether this observed relationship with innate immunity could be confirmed in term of differential survival after challenging by entomopathogenic bacteria, Bacillus thuringiensis. In this case, no significant relationship was evidenced. We recommend that future researchers on the POLS should control for differences in evolutionary trajectory between sexes and to pay attention to the choice of the proxy used, especially when looking at immune traits.
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Affiliation(s)
- Karine Monceau
- UMR CNRS 6282 Biogéosciences, Equipe Ecologie Evolutive, Université de Bourgogne Franche-Comté, 6 bd Gabriel, 21000, Dijon, France
| | | | - Jérôme Moreau
- UMR CNRS 6282 Biogéosciences, Equipe Ecologie Evolutive, Université de Bourgogne Franche-Comté, 6 bd Gabriel, 21000, Dijon, France
| | - Camille Lucas
- UMR CNRS 6282 Biogéosciences, Equipe Ecologie Evolutive, Université de Bourgogne Franche-Comté, 6 bd Gabriel, 21000, Dijon, France
| | - Rémi Capoduro
- UMR CNRS 6282 Biogéosciences, Equipe Ecologie Evolutive, Université de Bourgogne Franche-Comté, 6 bd Gabriel, 21000, Dijon, France
| | - Sébastien Motreuil
- UMR CNRS 6282 Biogéosciences, Equipe Ecologie Evolutive, Université de Bourgogne Franche-Comté, 6 bd Gabriel, 21000, Dijon, France
| | - Yannick Moret
- UMR CNRS 6282 Biogéosciences, Equipe Ecologie Evolutive, Université de Bourgogne Franche-Comté, 6 bd Gabriel, 21000, Dijon, France
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30
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Monceau K, Moreau J, Richet J, Motreuil S, Moret Y, Dechaume-Moncharmont FX. Larval personality does not predict adult personality in a holometabolous insect. Biol J Linn Soc Lond 2017. [DOI: 10.1093/biolinnean/blw015] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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31
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Effects of larval versus adult density conditions on reproduction and behavior of a leaf beetle. Behav Ecol Sociobiol 2016. [DOI: 10.1007/s00265-016-2212-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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