&lt;p&gt;&lt;strong&gt;Intraguild predation among three phytoseiid species, &lt;em&gt;Neoseiulus barkeri&lt;/em&gt;, &lt;em&gt;Phytoseiulus persimilis&lt;/em&gt;&lt;em&gt; &lt;/em&gt;and &lt;em&gt;Amblyseius swirskii&lt;/em&gt;&lt;/strong&gt;&lt;/p&gt;

Maleknia, Bahador; Fathipour, Yaghoub; Soufbaf, Mahmoud

doi:10.11158/saa.21.4.4

Cited by 15 publications

(25 citation statements)

References 44 publications

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“…The occurrence of intraguild predation (IGP), defined as ‘predator–prey interactions among consumers potentially competing for limiting resources’, among Phytoseiids cannot be discarded. IGP commonly occurs within many predatory guilds, including generalist and specialist phytoseiid mites . IGP is relevant in applied ecology, including biological control.…”

Section: Introductionmentioning

confidence: 99%

Tracking mite trophic interactions by multiplex PCR

Gómez‐Martínez

Piña

Aguilar‐Fenollosa

et al. 2019

Pest Management Science

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BACKGROUND: A thorough knowledge of trophic webs in agroecosystems is essential to achieve successful biological pest control. Phytoseiid mites are the most efficient natural enemies of tetranychid mites, which include several important pests worldwide. Nevertheless, phytoseiids may feed on other food sources including other microarthropods, plants and even other phytoseiids (intraguild predation), which can interfere with biological control services. Molecular gut content analysis is a valuable tool for characterizing trophic interactions, mainly when working on microarthropods such as mites. We have designed new primers for Phytoseiidae, Tetranychidae and Thysanoptera identification and they have been multiplexed in a polymerase chain reaction (PCR) together with universal plant primers. Additionally, we have estimated prey DNA detectability success over time (DS 50 ) considering the most probable events in Spanish citrus orchards: the phytoseiid Euseius stipulatus as a predator, the phytoseiid Phytoseiulus persimilis as intraguild prey, and the thrips Frankliniella occidentalis and Anaphothrips obscurus as alternative prey to Tetranychus urticae. gut of the phytoseiid predator. DS 50 for E. stipulatus as the predator were 1.3, 2.3 and 18.7 h post feeding for F. occidentalis, A. obscurus and P. persimilis as prey, respectively. CONCLUSION: Tracking of the trophic relationships within the citrus acarofauna, and the unveiling of the role of alternative food sources will pave the way for enhancing T. urticae biological control. This multiplex PCR approach could be applicable for these purposes in similar agroecosystems. RESULTS: The designed multiplex PCR allows the identification of phytoseiids (both predator and intraguild prey) and detects alternative food sources mentioned above in the DNA extractionDNA of Phytoseiidae, Tetranychidae, Thysanoptera and other potential food sources for Phytoseiidae mites in citrus orchards and those provided in the laboratory rearings was extracted following different protocols depending on the organism and the objective of the study.Acari and Hemiptera from the UJI-IVIA DNA collection and new Acari DNA used for feeding trials (Tables 1 and 3), were previously Pest Manag Sci 2020; 76: 597-608

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Section: Introductionmentioning

confidence: 99%

Tracking mite trophic interactions by multiplex PCR

Gómez‐Martínez

Piña

Aguilar‐Fenollosa

et al. 2019

Pest Management Science

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“…Nevertheless, P. persimilis did not feed on the heterospecific nymph stages in interactions among P. persimilis , Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae), and Neoseiulus barkeri (Hughes) (Acari: Phytoseiidae) (Maleknia et al . 2016).…”

Section: Discussionmentioning

confidence: 99%

“…Bidirectional intraguild predation between P. persimilis and T. bagdasarjani has also been reported by Ghasemloo et al (2016), in absence of T. urticae. Nevertheless, P. persimilis did not feed on the heterospecific nymph stages in interactions among P. persimilis, Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae), and Neoseiulus barkeri (Hughes) (Acari: Phytoseiidae) (Maleknia et al 2016).…”

Section: Prey Predator Speciesmentioning

confidence: 99%

“…The consumption rate of T. bagdasarjani, as a generalist phytoseiid mite, was significantly affected by presence of pollen, as pollen addition reduced predation on heterospecific eggs and deutonymphs in absence and presence of T. urticae treatments, respectively. Pollen is an important supplementary food for generalist predators and it has an effective role in reduced intensity predation on alternative prey (McMurtry and Croft 1997;McMurtry et al 2013;Guzman et al 2016;Maleknia et al 2016). However, when pollen was offered to T. bagdasarjani, the feeding rate on heterospecifics was not significantly different between presence and absence of T. urticae treatments.…”

Section: Prey Predator Speciesmentioning

confidence: 99%

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Effect of prey and pollen on interactions between Typhlodromus bagdasarjani and Phytoseiulus persimilis (Acari: Phytoseiidae) on cucumber (Cucurbitaceae)

Moghadasi

Allahyari

2017

Can Entomol

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Intraguild predation is a notable factor to proper application of biocontrol agents to reduce pest populations. Intraguild predation was studied between Typhlodromus bagdasarjani Wainstein and Arutunjan (Acari: Phytoseiidae) and Phytoseiulus persimilis Athias-Henriot (Acari: Phytoseiidae) in presence and absence of Tetranychus urticae Koch (Acari: Tetranychidae) as well as pollen. Intraguild predation between two predators was bidirectional. The highest and the lowest predation rates of both predators in absence and presence of T. urticae as well as in the pollen treatments were on heterospecific eggs and deutonymphs, respectively. Typhlodromus bagdasarjani consumed more heterospecific eggs compared with P. persimilis. When pollen was added, predation of T. bagdasarjani significantly reduced on heterospecific eggs and deutonymphs in absence and presence of T. urticae treatments, respectively. However, predation rate of P. persimilis on heterospecific stages was not significantly affected by pollen addition. Oviposition of both predators was higher in presence of T. urticae than in its absence and oviposition of P. persimilis was significantly higher on heterospecific stages than T. bagdasarjani. Pollen addition had a significant effect on increasing the oviposition rate of T. bagdasarjani. Extraguild prey presence had a nonsignificant effect on the consumption rate of intraguild prey by the intraguild predators. However, presence of extraguild prey led to a significant increase in oviposition rate of both predators.

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“…In that study, Pérez-Sayas et al In addition to interspecific predation, intraguild predation (IGP), defined as ''predator-prey interactions among consumers potentially competing for limiting resources'' (Holt and Huxel 2007), cannot be discarded as it commonly occurs within many predatory guilds (Arim and Marquet 2004;Vance-Chalcraft et al 2007;Gagnon et al 2011b;Traugott et al 2012), including generalist and specialist phytoseiid mites (e.g. Schausberger 1999a, b;Schausberger and Croft 2000;Hatherly et al 2005;Maleknia et al 2016). Indeed, with the previously mentioned multiplex PCR (Pérez-Sayas et al 2015), some intraguild events were detected, although Phytoseiidae specific primers were not specifically designed for IGP detection.…”

Section: Introductionmentioning

confidence: 99%

El papel de Anaphothrips obscurus (Müller) en la mejora del control biológico de Tetranychus urticae Koch

Martínez¹

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a mis padres, por educarme en el valor del esfuerzo personal para lograr mis fines y por apoyarme incondicionalmente en este proyecto y en muchos otros que he iniciado a lo largo de mi vida, y que me han llevado a ser quien soy, y a mi hermana, siempre dispuesta a echarme una mano y a darme palabras de ánimo, a Joaquín y Mª Dolores, por estar siempre donde haga falta, a Rubén, compañero de vida y lucero en la oscuridad, y por supuesto a Marco, mi pequeño torbellino de caracoles dorados, capaz de hacer que salga el sol incluso en mis días más nublados. A todos vosotros quiero expresaros mi agradecimiento desde el corazón.

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<p><strong>Intraguild predation among three phytoseiid species, <em>Neoseiulus barkeri</em>, <em>Phytoseiulus persimilis</em><em> </em>and <em>Amblyseius swirskii</em></strong></p>

Cited by 15 publications

References 44 publications

Tracking mite trophic interactions by multiplex PCR

Tracking mite trophic interactions by multiplex PCR

Effect of prey and pollen on interactions between Typhlodromus bagdasarjani and Phytoseiulus persimilis (Acari: Phytoseiidae) on cucumber (Cucurbitaceae)

El papel de Anaphothrips obscurus (Müller) en la mejora del control biológico de Tetranychus urticae Koch

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