2020
DOI: 10.1111/jeb.13641
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Death feigning as an adaptive anti‐predator behaviour: Further evidence for its evolution from artificial selection and natural populations

Abstract: Death feigning is considered to be an adaptive anti-predator behavior. Previous studies on Tribolium castaneum have shown that prey which death feign have a fitness advantage over those that do not when using a jumping spider as the predator. Whether these effects are repeatable across species or whether they can be seen in nature is, however, unknown.Therefore, the present study involved two experiments: 1) divergent artificial selection for the duration of death feigning using a related species T. freemani a… Show more

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Cited by 41 publications
(46 citation statements)
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“…This is not unlike lucid dreaming and cataplexy which are features of REM sleep intrusion into wakefulness (80) that can occur in NDE (11). Thanatosis increases chances for escape from imminent danger and, being a heritable behavioral trait, it can evolve under natural selection for fitness of survival (95). Although its association with NDE is still entirely speculative, it seems fair to say that panicking in situations of unescapable danger is never a good option for humans either.…”
Section: Figure 10 |mentioning
confidence: 99%
“…This is not unlike lucid dreaming and cataplexy which are features of REM sleep intrusion into wakefulness (80) that can occur in NDE (11). Thanatosis increases chances for escape from imminent danger and, being a heritable behavioral trait, it can evolve under natural selection for fitness of survival (95). Although its association with NDE is still entirely speculative, it seems fair to say that panicking in situations of unescapable danger is never a good option for humans either.…”
Section: Figure 10 |mentioning
confidence: 99%
“…Some studies su ggest that this beetle disperse s very well [32] We considered two few hypothese s regarding why no clines in the length of circadian rhythms were found in T. castaneum, as follow: bottlenecks and local adaptation. A small number of individuals or one fertilized female can enter and settle in individual rice mills s cattered in the countryside of Japan [36]. A small number of T. castaneum will form each population within each mill.…”
Section: Circadian Periods Seemed To Vary Evenly Between 20 H and 28 mentioning
confidence: 99%
“…A small number of T. castaneum will form each population within each mill. Predation pressures, including that from predator insects [36], and the differences due to human cleaning will differ among mills. T hese pressure s can cause differences in traits, especi ally in the activity traits, of T. and walking is the mechanism by which males locally search for females [37].…”
Section: Circadian Periods Seemed To Vary Evenly Between 20 H and 28 mentioning
confidence: 99%
“…This result is consistent with the nding of many expressed RNAs involved by Uchiyama et al 13 . The duration of death feigning has been found to be multilaterally expressed with other traits of insects: for example, locomotor activity in T. castaneum 14 , T. confusum 18 , and T. freemani 19 , ight ability in Callosobruchus chinensis 20 , life history traits in C. chinensis 21 , and mating behavior in T. castaneum 22 and C. chinensis 23 . Therefore, it is easy to predict that the duration of a behavioral trait will be genetically affected by many other traits.…”
Section: Introductionmentioning
confidence: 99%