Food and habitat supplementation promotes predatory mites and enhances pest control

Etienne, Lucas; Bresch, Cécile; Oudenhove, Louise van; Mailleret, Ludovic

doi:10.1016/j.biocontrol.2021.104604

Cited by 7 publications

(2 citation statements)

References 74 publications

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“…Importantly, both crop and non-crop vegetation within agroecosystems host a range of naturally-occurring predatory mite species, beyond those potentially used in augmentative release programs (Tixier, 2018). Pest suppression from resident predatory mites can be heightened by landscape and habitat manipulation management actions aimed at maintaining and promoting beneficial mite diversity (Etienne et al, 2021; Möth et al, 2021). Another conservation biological control strategy is the use of selective pesticides, which have been specifically designed to reduce their off-target impacts on predatory mites and other beneficial species, over non-selective broad-spectrums (Holloway et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Acute toxicity effects of pesticides on predatory snout mites (family Bdellidae)

Knapp,

Mata,

McDougall

et al. 2023

Preprint

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Predatory mites biologically control a range of arthropod crop pests and are often central to agricultural IPM strategies globally. Conflict between chemical and biological pest control has prompted increasing interest in selective pesticides with fewer off-target impacts on beneficial invertebrates, including predatory mites. However, the range of predatory mite species included in standardised pesticide toxicity assessments does not match the diversity of naturally-occurring species contributing to biocontrol, with most testing carried out on species from the family Phytoseiidae. Here, we aim to bridge this knowledge gap by investigating the impacts of 22 agricultural pesticides on the predatory snout mite Odontoscirus lapidaria (Kramer) (family Bdellidae). Using internationally standardised testing methodologies, we identified several active ingredients with minimal impact on O. lapidaria mortality, including Bacillus thuringiensis, nuclear polyhedrosis virus, flonicamid, afidopyropen, chlorantraniliprole and cyantraniliprole, which may therefore be good candidates for IPM strategies utilising both chemical and biological control. Importantly, we reveal differences between Bdellidae and Phytoseiidae in responses to a number of chemicals, including the miticides diafenthiuron and abamectin, highlighting the risk of making generalisations around acute toxicity based on tests with one beneficial mite family. We also explored the impacts of several pesticides on a second Bdellidae species and found differences in the response to chlorpyrifos compared with O. lapidaria, further highlighting the taxon-specific nature of non-target toxicity effects.

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Section: Introductionmentioning

confidence: 99%

Acute toxicity effects of pesticides on predatory snout mites (family Bdellidae)

Knapp,

Mata,

McDougall

et al. 2023

Preprint

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show abstract

“…The generalists can establish on crops early in the growing season when prey is scarce or absent by feeding on the alternative foods. This enables them to respond quickly to new infestations of pests (Etienne et al, 2021; Ingegno & Messelink, 2016). Additionally, the generalist could maintain their population when the pest population decreases by exploiting alternative food, thus preventing the resurgence of pests and achieving sustainable pest management (Messelink et al, 2012; Perdikis et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Effects of supplementary pollen on the life history traits of predatory mite Euseius nicholsi across generations

Liu

et al. 2022

J Applied Entomology

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Pollen as one of the most important supplementary food benefits the generalist predators in many aspects. However, little is known about the performance of generalist predators with type IV lifestyle when they are reared continuously on prey supplemented with pollen for many generations. In this study, the life history traits of the predatory mites Euseius nicholsi (Ehara et Lee) (Acari: Phytoseiidae) were compared when two prey species, Tetranychus urticae Koch (Acari: Tetranychidae) and Eotetranychus kanktus Ehara (Acari: Tetranychidae) were offered with the presence/absence of camellia pollen. The results showed that the mixed diet of prey and pollen significantly improved the fitness of predatory mites. Predatory mites with pollen as supplementary food developed 1 day faster than their counterparts fed only with prey. They survived much longer and produced almost twice as many eggs as their counterparts. Nevertheless, these benefits were only evident in the first few generations and faded away from Generation 5. This study advanced our understanding by indicating that the beneficial effects of supplementary pollen decreased along with generations and clarifying that T. urticae was a more nutritious prey to E. nicholsi.

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Can pollen provision mitigate competition interactions between three phytoseiid predators of Tetranychus urticae under future climate change conditions?

Urbaneja‐Bernat

Miret

2022

Biological Control

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Food and habitat supplementation promotes predatory mites and enhances pest control

Cited by 7 publications

References 74 publications

Acute toxicity effects of pesticides on predatory snout mites (family Bdellidae)

Acute toxicity effects of pesticides on predatory snout mites (family Bdellidae)

Effects of supplementary pollen on the life history traits of predatory mite Euseius nicholsi across generations

Can pollen provision mitigate competition interactions between three phytoseiid predators of Tetranychus urticae under future climate change conditions?

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