Araneophagy as an alternative foraging tactic to kleptoparasitism in two Argyrodinae (Araneae: Theridiidae) species

Meira, Felipe André; Moura, Rafael Rios; Gonzaga, Marcelo O.

doi:10.1016/j.beproc.2021.104445

Cited by 3 publications

(1 citation statement)

References 40 publications

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“…Therefore, spiders can adopt foraging strategies to minimize the exposure time outside the shelter in periods of higher activity of their predators (Scharf et al 2011;Pekár 2014). Most predators are visually oriented and diurnal, such as birds (Gunnarsson and Wiklander 2015), lizards (Spiller and Schoener, 1988), hunting wasps from the Crabronidae family, specialized in capturing spiders (Moura et al 2019), as well as other spider species (Moura et al 2016;Meira et al 2021). Therefore, shelter-building spiders are more likely to be predated when capturing prey outside the shelter during the day.…”

Section: Introductionmentioning

confidence: 99%

Predation avoidance behavior and web investment are not constrained by individual nutritional status in a shelter-building spider species

Ceribelli

Moura

Kloss

2023

Preprint

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Optimal foraging and individual specialization theories suggest that different properties of the interaction between prey and predators determine foraging strategies. However, none of them consider how the nutritional status of the predators and the risk of being attacked by other predators can affect the option for these strategies. Some spider species can build webs as dynamic traps to capture prey and perform behaviors that optimize capture efficiency while adopting strategies to minimize their exposure to predators, such as building a shelter. In this sense, the risk of predation during foraging and the nutritional status of spiders may be important factors mediating predator-prey interactions, because capturing prey involves leaving the shelter, which may contribute to an increased risk of exposure to predators lurking close to the web. In this study, we evaluated the hypotheses that individuals of the shelter-building spider Metazygia laticeps (Araneidae) with poor nutritional status (i) are more exposed to predators during foraging and (ii) invest more in web structures to capture prey. Nutritional status was unrelated to exposure to predation. However, M. laticeps individuals left the shelter faster at night than during the day, regardless of their nutritional status, probably to reduce exposure to visually oriented predators. In addition, individuals with poor nutritional status did not show higher investment in webs when compared to well-nourished spiders. Nutritional status, therefore, was not a determining factor modulating investment in web foraging structures by M. laticeps.

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Section: Introductionmentioning

confidence: 99%

Predation avoidance behavior and web investment are not constrained by individual nutritional status in a shelter-building spider species

Ceribelli

Moura

Kloss

2023

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

Nutritional Status Does Not Restrict Foraging Activity and Web Investment in a Shelter-Building Spider Species, But Individuals are More Risk-Prone at Night

Ceribelli,

Moura,

Kloss

2024

J Insect Behav

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Optimal foraging and individual specialization theories suggest that different properties of the interaction between prey and predators determine foraging strategies. However, none of them consider how the nutritional status of the predators and the risk of being attacked by other predators can affect the option for these strategies. Some spider species can build webs as dynamic traps to capture prey and perform behaviors that optimize capture e ciency while adopting strategies to minimize their exposure to predators, such as building a shelter. In this sense, the risk of predation during foraging and the nutritional status of spiders may be important factors mediating predator-prey interactions, because capturing prey involves leaving the shelter, which may contribute to an increased risk of exposure to predators lurking close to the web. In this study, we evaluated the hypotheses that individuals of the shelter-building spider Metazygia laticeps (Araneidae) with poor nutritional status (i) are more exposed to predators during foraging and (ii) invest more in web structures to capture prey. Nutritional status was unrelated to exposure to predation. However, M. laticeps individuals left the shelter faster at night than during the day, regardless of their nutritional status, probably to reduce exposure to visually oriented predators. In addition, individuals with poor nutritional status did not show higher investment in webs when compared to well-nourished spiders. Nutritional status, therefore, was not a determining factor modulating investment in web foraging structures by M. laticeps.

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Offspring mortality factors and parental care efficiency of the spider Manogea porracea (Araneidae) in the Brazilian savanna

Quero

Gonzaga

Vasconcellos‐Neto

et al. 2023

Ethology Ecology & Evolution

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Araneophagy as an alternative foraging tactic to kleptoparasitism in two Argyrodinae (Araneae: Theridiidae) species

Cited by 3 publications

References 40 publications

Predation avoidance behavior and web investment are not constrained by individual nutritional status in a shelter-building spider species

Predation avoidance behavior and web investment are not constrained by individual nutritional status in a shelter-building spider species

Nutritional Status Does Not Restrict Foraging Activity and Web Investment in a Shelter-Building Spider Species, But Individuals are More Risk-Prone at Night

Offspring mortality factors and parental care efficiency of the spider Manogea porracea (Araneidae) in the Brazilian savanna

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