Effect of adult females' predation risk on oviposition site selection in a water strider

Hirayama, Hiroyuki; Kasuya, Eiiti

doi:10.1111/eea.12124

Cited by 10 publications

(7 citation statements)

References 29 publications

(34 reference statements)

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“…Defence can come in many forms, including safety attained in numbers (selfish herd, overwhelming predators with abundance of eggs), morphological adaptations (having hard cases or rough surfaces) (Dumont, Nandini & Sarma, 2002), and additional investment by parents. Parents can alter their behaviours in response to predators by concealing their eggs (Lemos et al, 2010;Hirayama & Kasuya, 2013;McKeon & Summers, 2013), or engage in antipredation defence (Requena et al, 2009;Colombelli-Negrel et al, 2010;Goiran & Shine, 2015).…”

Section: Introductionmentioning

confidence: 99%

Dynamic switching in predator attack and maternal defence of prey

Poo¹,

Evans

Tan

et al. 2016

Biol. J. Linn. Soc.

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Predator and prey relationships are dynamic and interrelated. Thus, any offensive behaviour will vary according to differing defensive behaviours, or vice versa, within each species in any predator-prey system. However, most studies are one-sided as they focus on just one behaviour, that of either the predator or prey. Here, we examine both predatory behaviour of an oophagus katydid and antipredator behaviour by a frog with egg-stage parental care. Katydid offensive behaviour and predation success was greater in females and increased with predator maturity and size. Frog defensive behaviour was sex specific, probably because only mothers provide parental care. Defensive behaviour could be active, such as charging predators, or passive, such as sheltering eggs, with greater active defence against larger predators; neither was influenced by offspring age. These results are contrary to existing theory, which argues parental investment ought to be negatively correlated with parental predation risks and affected by offspring age. This study highlights the use of antipredator behaviour to test predictions of parental investment theories in amphibians. In addition, it illustrates the need to consider factors that influence both species concurrently when examining the complex interaction between predators and parents.

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Section: Introductionmentioning

confidence: 99%

Dynamic switching in predator attack and maternal defence of prey

Poo¹,

Evans

Tan

et al. 2016

Biol. J. Linn. Soc.

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“…However, we handled A. paludum every day in both the before‐ and post‐experiment periods for exchanging water in the container. Also, A. paludum usually lays eggs despite such handling, for example, around 50% of A. paludum laid eggs were laid within 4 h after each bout of handling in our previous study (Hirayama & Kasuya ). Thus, A. paludum is likely not to refrain from laying eggs simply through the handlings associated with forced submergence.…”

Section: Discussionmentioning

confidence: 77%

Potential Costs of Selecting Good Sites For Offspring: Increased Risk of Drowning And Negative Effects on Egg Production

Hirayama

Kasuya

2014

Ethology

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Many studies have shown the benefits of selecting suitable sites for offspring survival and growth. However, costs of selecting suitable sites have been little covered. If the female's costs associated with selecting suitable sites exceed the benefit from improvement of offspring performance, selecting such sites can have a negative effect on the ongoing reproductive success for ovipositing females. We investigate the potential costs of selecting suitable sites in the water strider Aquarius paludum insularis. Where there exists a risk of egg parasitism, the female A. paludum will submerge and select a deep site, more suitable for offspring survival, for oviposition. By forcing A. paludum underwater once a day for 10 d, we investigated the potential costs associated with oviposition at deep sites, firstly relating to the performance of submergence (latency to asphyxiation or proportion of buoyancy loss) and, secondly, in the number of eggs laid. Buoyancy became weaker and the latency to asphyxiation became shorter with the number of submergences. The number of eggs laid in the period of forced submergence was smaller than both before and after the period. Selecting deep sites can therefore increase the mortality risk of ovipositing females and also decrease the number of eggs laid in their lives. Selecting suitable sites in all the oviposition bouts can decrease ovipositing females' reproductive success. Costs, not only benefits, should be taken into consideration for understanding oviposition site selection during the lifespan of an ovipositing female.

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“…In this species, females feed extensively on the nectar of the plant they select for oviposition, whereas this plant only has a poor nutritional value -compared to other neighbouring plants -for its larvae (Courtney, 1981). Similarly in the water strider Aquarius paludum insularis, females avoid ovipositing in sites where the backswimmer Notonecta triguttata, a predator that only attacks adults, is present (Hirayama and Kasuya, 2013).…”

Section: Site Selection For Ovipositionmentioning

confidence: 99%

Reproductive Strategies in Insects

Omkar¹,

Mishra²

2022

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Providing care to offspring is a costly, but effective strategy of parents to increase the fitness of their descendants. In insects, parental care has repeatedly evolved in a wide range of taxa. It can take a great diversity of forms, occur at different times during offspring development, last from a few minutes to several years and involve either the mother, the father or both parents. In this chapter, we detail the astounding diversity of parental care in insects. We start by presenting forms of parental care that occur before oviposition, then move to forms occurring between oviposition and egg hatching and conclude with forms of post-hatching parental care occurring before and/or after nutritional independence. This comprehensive review demonstrates overall insects represent a perfect example of the diversity of parental care that can be found in animals, and thus emphasizes why they are excellent biological models for improving our general understanding of its evolution, diversification and underlying physiological and genetic mechanisms.

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Effect of adult females' predation risk on oviposition site selection in a water strider

Cited by 10 publications

References 29 publications

Dynamic switching in predator attack and maternal defence of prey

Dynamic switching in predator attack and maternal defence of prey

Potential Costs of Selecting Good Sites For Offspring: Increased Risk of Drowning And Negative Effects on Egg Production

Reproductive Strategies in Insects

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