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Selectivity and molecular stress responses to classical and botanical acaricides in the predatory mite Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseiidae)

Sabina Bajda-Wybouw (UGent) , Patrick De Clercq (UGent) and Thomas Van Leeuwen (UGent)
(2022) PEST MANAGEMENT SCIENCE. 78(3). p.881-895
Author
Organization
Project
  • POLYADAPT (Molecular-genetic mechanisms of extreme adaptation in a polyphagous agricultural pest)
  • SuperPests (Innovative tools for rational control of the most difficult-to-manage pests (super pests) and the diseases they transmit)
Abstract
BACKGROUND Acaricide application remains an integral component of integrated pest management (IPM) for the two-spotted spider mite Tetranychus urticae. Species and strains of phytoseiid predatory mites vary significantly in their response to acaricides. For the success of IPM, it is imperative to identify the determinants of selectivity and molecular stress responses of acaricides in predatory mites. RESULTS The three classical acaricides bifenazate, cyflumetofen, and fenbutatin oxide did not affect the survival and fecundity of Phytoseiulus persimilis regardless of the route of exposure. Selectivity of the orange oil and terpenoid blend-based botanical acaricides was low via a combination of direct exposure, acaricide-laced diet, and residual exposure but improved when limiting exposure only to diet. To gain insights into the molecular stress responses, the transcriptome of P. persimilis was assembled. Subsequent gene expression analysis of predatory mites orally exposed to fenbutatin oxide and orange oil yielded only a limited xenobiotic stress response. In contrast, P. persimilis exhibited target-site resistance mutations, including I260M in SdhB, I1017M in CHS1, and kdr and super-kdr in VGSC. Extending the screen using available Phytoseiidae sequences uncovered I136T, S141F in cytb, G119S in AChE, and A2083V in ACC, well-known target-sites of acaricides. CONCLUSION Selectivity of the tested botanical acaricides to P. persimilis was low but could be enhanced by restricting exposure to a single route. Differential gene expression analysis did not show a robust induced stress response after sublethal exposure. In contrast, this study uncovered target-site mutations that may help to explain the physiological selectivity of several classical acaricides to phytoseiid predators.
Keywords
acaricide selectivity, Phytoseiidae, Phytoseiulus persimilis, physiological selectivity, ecological selectivity, Integrated Pest Management, 2-SPOTTED SPIDER-MITE, URTICAE KOCH ACARI, TETRANYCHUS-URTICAE, COMPLEX-I, CROSS-RESISTANCE, ESSENTIAL OILS, UBIQUINONE OXIDOREDUCTASE, INSECTICIDE RESISTANCE, BIFENAZATE RESISTANCE, PYRETHROID RESISTANCE

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Citation

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MLA
Bajda-Wybouw, Sabina, et al. “Selectivity and Molecular Stress Responses to Classical and Botanical Acaricides in the Predatory Mite Phytoseiulus Persimilis Athias-Henriot (Acari: Phytoseiidae).” PEST MANAGEMENT SCIENCE, vol. 78, no. 3, 2022, pp. 881–95, doi:10.1002/ps.6747.
APA
Bajda-Wybouw, S., De Clercq, P., & Van Leeuwen, T. (2022). Selectivity and molecular stress responses to classical and botanical acaricides in the predatory mite Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseiidae). PEST MANAGEMENT SCIENCE, 78(3), 881–895. https://doi.org/10.1002/ps.6747
Chicago author-date
Bajda-Wybouw, Sabina, Patrick De Clercq, and Thomas Van Leeuwen. 2022. “Selectivity and Molecular Stress Responses to Classical and Botanical Acaricides in the Predatory Mite Phytoseiulus Persimilis Athias-Henriot (Acari: Phytoseiidae).” PEST MANAGEMENT SCIENCE 78 (3): 881–95. https://doi.org/10.1002/ps.6747.
Chicago author-date (all authors)
Bajda-Wybouw, Sabina, Patrick De Clercq, and Thomas Van Leeuwen. 2022. “Selectivity and Molecular Stress Responses to Classical and Botanical Acaricides in the Predatory Mite Phytoseiulus Persimilis Athias-Henriot (Acari: Phytoseiidae).” PEST MANAGEMENT SCIENCE 78 (3): 881–895. doi:10.1002/ps.6747.
Vancouver
1.
Bajda-Wybouw S, De Clercq P, Van Leeuwen T. Selectivity and molecular stress responses to classical and botanical acaricides in the predatory mite Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseiidae). PEST MANAGEMENT SCIENCE. 2022;78(3):881–95.
IEEE
[1]
S. Bajda-Wybouw, P. De Clercq, and T. Van Leeuwen, “Selectivity and molecular stress responses to classical and botanical acaricides in the predatory mite Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseiidae),” PEST MANAGEMENT SCIENCE, vol. 78, no. 3, pp. 881–895, 2022.
@article{8740111,
  abstract     = {{BACKGROUND Acaricide application remains an integral component of integrated pest management (IPM) for the two-spotted spider mite Tetranychus urticae. Species and strains of phytoseiid predatory mites vary significantly in their response to acaricides. For the success of IPM, it is imperative to identify the determinants of selectivity and molecular stress responses of acaricides in predatory mites. RESULTS The three classical acaricides bifenazate, cyflumetofen, and fenbutatin oxide did not affect the survival and fecundity of Phytoseiulus persimilis regardless of the route of exposure. Selectivity of the orange oil and terpenoid blend-based botanical acaricides was low via a combination of direct exposure, acaricide-laced diet, and residual exposure but improved when limiting exposure only to diet. To gain insights into the molecular stress responses, the transcriptome of P. persimilis was assembled. Subsequent gene expression analysis of predatory mites orally exposed to fenbutatin oxide and orange oil yielded only a limited xenobiotic stress response. In contrast, P. persimilis exhibited target-site resistance mutations, including I260M in SdhB, I1017M in CHS1, and kdr and super-kdr in VGSC. Extending the screen using available Phytoseiidae sequences uncovered I136T, S141F in cytb, G119S in AChE, and A2083V in ACC, well-known target-sites of acaricides. CONCLUSION Selectivity of the tested botanical acaricides to P. persimilis was low but could be enhanced by restricting exposure to a single route. Differential gene expression analysis did not show a robust induced stress response after sublethal exposure. In contrast, this study uncovered target-site mutations that may help to explain the physiological selectivity of several classical acaricides to phytoseiid predators.}},
  author       = {{Bajda-Wybouw, Sabina and De Clercq, Patrick and Van Leeuwen, Thomas}},
  issn         = {{1526-498X}},
  journal      = {{PEST MANAGEMENT SCIENCE}},
  keywords     = {{acaricide selectivity,Phytoseiidae,Phytoseiulus persimilis,physiological selectivity,ecological selectivity,Integrated Pest Management,2-SPOTTED SPIDER-MITE,URTICAE KOCH ACARI,TETRANYCHUS-URTICAE,COMPLEX-I,CROSS-RESISTANCE,ESSENTIAL OILS,UBIQUINONE OXIDOREDUCTASE,INSECTICIDE RESISTANCE,BIFENAZATE RESISTANCE,PYRETHROID RESISTANCE}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{881--895}},
  title        = {{Selectivity and molecular stress responses to classical and botanical acaricides in the predatory mite Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseiidae)}},
  url          = {{http://doi.org/10.1002/ps.6747}},
  volume       = {{78}},
  year         = {{2022}},
}
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