Plant‑feeding may explain why the generalist predator Euseius stipulatus does better on less defended citrus plants but Tetranychus‑specialists Neoseiulus californicus and Phytoseiulus persimilis do not
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comunitat-uji-handle2:10234/2508
comunitat-uji-handle3:10234/6999
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Title
Plant‑feeding may explain why the generalist predator Euseius stipulatus does better on less defended citrus plants but Tetranychus‑specialists Neoseiulus californicus and Phytoseiulus persimilis do notAuthor (s)
Date
2021-01-22Publisher
SpringerBibliographic citation
Cruz-Miralles, J., Cabedo-López, M., Guzzo, M. et al. Plant-feeding may explain why the generalist predator Euseius stipulatus does better on less defended citrus plants but Tetranychus-specialists Neoseiulus californicus and Phytoseiulus persimilis do not. Exp Appl Acarol 83, 167–182 (2021). https://doi.org/10.1007/s10493-020-00588-xType
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info:eu-repo/semantics/publishedVersionSubject
Abstract
The generalist predator Euseius stipulatus (Athias-Henriot) and the Tetranychidae-specialist predators Neoseiulus californicus (McGregor) and Phytoseiulus persimilis Athias-Henriot play a key role in the regulation ... [+]
The generalist predator Euseius stipulatus (Athias-Henriot) and the Tetranychidae-specialist predators Neoseiulus californicus (McGregor) and Phytoseiulus persimilis Athias-Henriot play a key role in the regulation of Tetranychus urticae Koch in Spanish citrus orchards.
Previous studies have shown that sour orange (Citrus aurantium L.) and Cleopatra mandarin (Citrus reshni hort. ex Tan.) display extreme resistance and susceptibility to T. urticae,
respectively. When ofered a choice between these two genotypes infested by T. urticae,
E. stipulatus preferred Cleopatra mandarin, whereas the specialists did not show any preference. The present study was undertaken to check whether these preferences could be
related to the feeding of E. stipulatus on the host plant and/or to diferences in prey feeding
on the two plants. Our results demonstrate that E. stipulatus is a zoophytophagous mite,
which can engage in direct plant feeding in sour orange and Cleopatra mandarin, whereas
neither N. californicus nor P. persimilis do so. Whereas Cleopatra mandarin provided a
higher-quality prey/feeding substrate for E. stipulatus, which may be related to its phytophagy, no diferences were observed for the two specialists. As higher constitutive and
faster inducible defense against T. urticae in sour orange relative to Cleopatra mandarin
plants result in sour orange supporting lower T. urticae densities and plant damage, our
results demonstrate that pest regulation by specialist natural enemies may be more efective
when prey feed on better defended plants. [-]
Is part of
Experimental and Applied Acarology (2021) 83:167–182Related data
http://hdl.handle.net/10234/191655Funder Name
Ministerio de Economía y Competitividad
Project code
AGL2014-55616-C3 | BES-2015-074570 | AGL2015-64990-2R | RTI2018-094350-B-C33
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info:eu-repo/semantics/openAccess
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