Age and parasitism status of Tuta absoluta eggs alter the foraging responses of the predator Nabis pseudoferus

Mohammadpour, Marzieh; Michaud, J.P.; Hosseini, Mojtaba; Karimi, Javad; Hosseininaveh, Vahıd

doi:10.1007/s10526-021-10078-7

Cited by 2 publications

(3 citation statements)

References 32 publications

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“…It has been shown that some generalist mirid egg predators can discern and avoid eggs that are parasitized, as reflected in the preference for unparasitized or newly parasitized T. absoluta eggs over old parasitized eggs by M. pygmaeus [11] and N. tenuis [48], as well as Nabis pseudoferus Remane (Hemiptera: Nabidae) [37]. Similarly, the predator Dicyphus hesperus (Knight) (Hemiptera: Miridae) also avoids parasitized Bactericera cockerelli (Šulc) (Hemiptera: Triozidae) nymphs having late instars of the parasitoid Tamarixia triozae (Burks) (Hymenoptera: Eulophidae) [49].…”

Section: Discussionmentioning

confidence: 99%

“…Several indigenous natural enemies such as the larval parasitoids: Bracon nigricans Szépligeti (Hymenoptera: Braconidae), Dolichogenidea appellater (Telenga) (Hymenoptera: Braconidae), Necremnus tutae Ribes, and Bernardo (Hymenoptera: Eulophidae); as well as the egg parasitoids: Trichogramma bourarachae Pintureau and Babault, Trichogramma cacoeciae (Marchal) (Hymenoptera: Trichogrammatidae); and the egg predators: M. pygmaeus, N. tenuis, and Rhynocoris segmentarius (Germar) (Hemiptera: Reduvidae), have been reported as biological control agents of T. absoluta in several African countries [19,37,51]. Dolichogenidea gelechiidivoris has been released in three of these countries and releases in other countries are planned.…”

Section: Discussionmentioning

confidence: 99%

“…Nesidiocoris tenuis occurs in tomato agroecosystems in Africa, including the three countries where D. gelechiidivoris has been released [19,35,36]. So far, investigations into the nature of interactions between natural enemies of T. absoluta have been limited to egg parasitoids and predators belonging to the family Miridae or Nabidae [11,13,37]. Some studies have investigated interactions between idiobiont larval ectoparasitoids and mirid predators for the control of T. absoluta [10,38,39].…”

Section: Introductionmentioning

confidence: 99%

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Can the Combined Use of the Mirid Predator Nesidiocoris tenuis and a Braconid Larval Endoparasitoid Dolichogenidea gelechiidivoris Improve the Biological Control of Tuta absoluta?

Aigbedion-Atalor

Hill

Ayelo

et al. 2021

Insects

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The koinobiont solitary larval endoparasitoid Dolichogenidea gelechiidivoris (Marsh) (Syn.: Apanteles gelechiidivoris) (Hymenoptera: Braconidae) and the predatory bug Nesidiocoris tenuis (Reuter) (Hemiptera: Miridae) are important natural enemies of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), a serious pest of tomato. Although N. tenuis preferentially feeds on T.absoluta eggs, it is also recorded as a predator of first and second instar larval stages. Dolichogenidea gelechiidivoris preferentially seeks these early larval stages of T. absoluta for oviposition. The occurrence of intraguild predation between N. tenuis and D. gelechiidivoris and the consequences on the oviposition performance of D. gelechiidivoris were investigated in the laboratory. Regardless of the manner of introduction (i.e., the sequence of combinations with D. gelechiidivoris) or density (i.e., number of N. tenuis combined with D. gelechiidivoris), the presence of N. tenuis did not affect the oviposition performance of D. gelechiidivoris or the parasitoid’s progeny. Combination assays revealed that the efficacy of the combined use of N. tenuis and D. gelechiidivoris in controlling T. absoluta populations was significantly higher than that of either natural enemy alone. Our results highlight the potential of combining mirid predators and koinobiont larval endoparasitoids to control T. absoluta. The findings further contribute to data supporting the release of D. gelechiidivoris in tomato agroecosystems for the control of T. absoluta in Africa, where N. tenuis is widespread and abundant.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Can the Combined Use of the Mirid Predator Nesidiocoris tenuis and a Braconid Larval Endoparasitoid Dolichogenidea gelechiidivoris Improve the Biological Control of Tuta absoluta?

Aigbedion-Atalor

Hill

Ayelo

et al. 2021

Insects

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The mirid predator Macrolophus basicornis smells and avoids eggs of Tuta absoluta parasitized by Trichogramma pretiosum

Lenteren

Bueno

Santos-Silva

et al. 2023

Preprint

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Biological control, which uses natural enemies to reduce pest populations, is a non-polluting powerful method to manage impacts of (invasive) pests. Currently, polyphagous mirid predators are increasingly used in commercial, augmentative biological control. Information about their foraging behaviour is essential, especially if one intends to use several natural enemies for control of one or more pests in a crop, to detect if negative intraguild effects occur. We studied a case of intraguild predation (IGP) involving a predator, Macrolophus basicornis, of the worldwide invasive South American tomato leaf miner Tuta absoluta, and explored how this predator deals with prey parasitized by Trichogramma pretiosum. Behavioural observations show that M. basicornis predators contacted significantly fewer old, parasitized eggs of T. absoluta than recently parasitized ones. Olfactometer tests revealed that predators could smell differences between volatiles of tomato leaves infested with eggs of different quality to locate suitable prey. They preferred volatiles from leaflets with unparasitized eggs above control leaflets, and, moreover, preferred volatiles from leaflets with recently parasitized eggs over volatiles of leaflets with 5-day old parasitized eggs. When predators and parasitoids are used together to control T. absoluta, parasitoids should be introduced days before predators to prevent high levels of IGP.

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Age and parasitism status of Tuta absoluta eggs alter the foraging responses of the predator Nabis pseudoferus

Cited by 2 publications

References 32 publications

Can the Combined Use of the Mirid Predator Nesidiocoris tenuis and a Braconid Larval Endoparasitoid Dolichogenidea gelechiidivoris Improve the Biological Control of Tuta absoluta?

Can the Combined Use of the Mirid Predator Nesidiocoris tenuis and a Braconid Larval Endoparasitoid Dolichogenidea gelechiidivoris Improve the Biological Control of Tuta absoluta?

The mirid predator Macrolophus basicornis smells and avoids eggs of Tuta absoluta parasitized by Trichogramma pretiosum

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