Sex-specific pace-of-life syndromes

Moschilla, Joe A.; Tomkins, Joseph L.; Simmons, Leigh W.

doi:10.1093/beheco/arz055

Cited by 14 publications

(11 citation statements)

References 70 publications

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“…We used an experimental setup for the behavioural assays that has been utilised in previous studies (Moschilla et al, 2019(Moschilla et al, , 2020a. A 31 cm deep plastic trough (32 × 46 cm at base) was used as the trial arena.…”

Section: Behavioural Trialsmentioning

confidence: 99%

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Nongenetic inheritance of behavioural variability is context specific and sex specific

2021

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1. Environmentally mediated nongenetic inheritance extends the concept of phenotypic plasticity across generations, allowing for the experience of parents to influence the physiology, life history and behaviour of their offspring.2. We assess whether the perceived social environment of mothers and fathers impacts offspring behaviour in the Australian field cricket Teleogryllus oceanicus.3. We varied parents' perception of the density of conspecific males by exposing parents to either the presence or absence of male song throughout rearing. Following mating in a factorial design, the offspring of the parental pairs were also reared across the two acoustic environments and their behaviour assessed as adults.4. When reared in a no-song environment, offspring of both sexes were more active, emerging from a shelter sooner and displaying greater mobility in search of male song. 5. Offspring behaviour was not directly impacted by either the maternal or paternal social environments independently, but there was a significant interaction effect between the parental environments on the behaviour of daughters. When both parents were reared in song ('paternal song × maternal song'), their no-song-reared daughters exhibited lower levels of mobility than the no-song-reared daughters of 'paternal song × maternal no-song' and 'paternal no-song × maternal song' pairs. 6. Although our data suggest that nongenetic parental effects may have the potential to drive behavioural variability in offspring, such effects are highly complex, only arising as sex-and context-specific traits.

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Section: Behavioural Trialsmentioning

confidence: 99%

“…I G U R E 1 Diagram of the arena used for behavioural trials including the position of the speaker used to broadcast male song (fromMoschilla et al, 2019) …”

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confidence: 99%

Nongenetic inheritance of behavioural variability is context specific and sex specific

2021

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“…Although some studies have previously shown sex-specific relationships between AMR and behaviours ( e.g. , Niitepõld et al, 2011 ; Moschilla, Tomkins & Simmons, 2019 ; Methling et al, 2020 ), these behaviours were not tested repeatedly. Thus, to our knowledge, ours is the first to investigate the relationship between AMR and repeatable behaviour or personality traits on a sex-specific basis.…”

Section: Discussionmentioning

confidence: 99%

Sex-specific covariance between metabolic rate, behaviour and morphology in the ground beetle Carabus hortensis

Yarwood

Drees

Niven

et al. 2021

PeerJ

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Background Individuals within the same species often differ in their metabolic rates, which may covary with behavioural traits (such as exploration), that are consistent across time and/or contexts, and morphological traits. Yet, despite the frequent occurrence of sexual dimorphisms in morphology and behaviour, few studies have assessed whether and how sexes differ in metabolic trait covariances. Methods We investigated sex-specific relationships among resting or active metabolic rate (RMR and AMR, respectively) with exploratory behaviour, measured independently of metabolic rate in a novel environment, body size and body mass, in Carabus hortensis ground beetles. Results RMR, AMR and exploratory behaviour were repeatable among individuals across time, except for male RMR which was unrepeatable. Female RMR neither correlated with exploratory behaviour nor body size/body mass. In contrast, AMR was correlated with both body size and exploratory behaviour. Males with larger body sizes had higher AMR, whereas females with larger body sizes had lower AMR. Both male and female AMR were significantly related to exploratory behaviour, though the relationships between AMR and exploration were body mass-dependent in males and temperature-dependent in females. Discussion Differences between sexes exist in the covariances between metabolic rate, body size and exploratory behaviour. This suggests that selection acts differently on males and females to produce these trait covariances with potentially important consequences for individual fitness.

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“…We adopted an experimental design for the behavioural trials that has been used in previous studies [41][42][43][44] figure S1). Each behavioural trial began by placing an individual cricket into the shelter within the arena, with the door closed (electronic supplementary material, figure S1).…”

Section: (D) Mate Searching Behavioural Trialsmentioning

confidence: 99%

Males adjust their manipulation of female remating in response to sperm competition risk

2020

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To reduce the potential for sperm competition, male insects are thought to inhibit the post-mating reproductive behaviour of females through receptivity-inhibiting compounds transferred in the ejaculate. Selection is expected to favour phenotypic plasticity in male post-copulatory expenditure, with males investing strategically in response to their perceived risk of sperm competition. However, the impact that socially cued strategic allocation might have on female post-mating behaviour has rarely been assessed. Here, we varied male perception of sperm competition risk, both prior to and during mating, to determine if a male's competitive environment impacts the extent to which he manipulates female remating behaviour. We found that female Australian field crickets ( Teleogryllus oceanicus ) mated to males that were reared under sperm competition risk emerged from a shelter in search of male song sooner than did females mated to males reared without risk, but only when mating occurred in a risk-free environment. We also found that females reared in a silent environment where potential mates were scarce emerged from the shelter sooner than females exposed to male calls during development. Collectively, our findings suggest complex interacting effects of male and female sociosexual environments on female post-mating sexual receptivity.

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Sex-specific pace-of-life syndromes

Cited by 14 publications

References 70 publications

Nongenetic inheritance of behavioural variability is context specific and sex specific

Nongenetic inheritance of behavioural variability is context specific and sex specific

Sex-specific covariance between metabolic rate, behaviour and morphology in the ground beetle Carabus hortensis

Males adjust their manipulation of female remating in response to sperm competition risk

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