Isolation and evaluation of entomopathogenic fungi against the neotropical brown stink bug <i>Euschistus heros</i> (F.) (Hemiptera: Pentatomidae) under laboratory conditions

Nora, Daiane Dalla; Piovesan, Bruno Cherobini; Bellé, Cristiano; Stacke, Regina Sonete; Balardin, Ricardo Rubin; Guedes, Jerson Vanderlei Carús; Michaud, J.P.; Jacques, Rodrigo Josemar Seminoti

doi:10.1080/09583157.2020.1826904

Cited by 7 publications

(3 citation statements)

References 28 publications

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“…Brown stink bug is one of the main pest insects of the soybean crop in Brazil (Associação Brasileira das Indústrias e Óleos Vegetais (ABIOVE), 2018), which requires constant phytosanitary application for its control, including products based on entomopathogenic fungi (Silva-Santana et al, 2021;Nora et al, 2021). Even though fungal-based biopesticides are less toxic than conventional chemical insecticides, they can affect non-target organisms such as egg parasitoids.…”

Section: Resultsmentioning

confidence: 99%

“…In addition to the parasitoids, products based on entomopathogenic fungi are also being used in the country for the biological control of the soybean brown stink bug, with so far seven registered products formulated with isolates of B. bassiana and M. anisopliae (Sistema de Agrotóxicos Fitossanitários (AGROFIT), 2021). Studies have been carried out to select and characterize new fungal isolates that have the potential to infect E. heros, since the natural infection by entomopathogenic fungi is generally insufficient for population control of this insect; thus, requiring flooding application (Silva-Santana, Alves, Ferreira, & Bonini, 2021;Nora et al, 2021). With this growth in the use of entomopathogens comes the need to assess their lethal and sublethal effects on egg parasitoids, which in many occasions are applied in an associated way in the field (Polanczyk, Pratissoli, Dalvi, Grecco, & Franco, 2010;Potrich et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Selectivity of Metarhizium anisopliae and Beauveria bassiana to adults of Telenomus podisi (Hymenoptera: Scelionidae)

Battisti

Warmling

Vieira

et al. 2022

Semina: Ciênc. Agrár.

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The selectivity of entomopathogenic fungi to non-target organisms needs to be considered in Integrated Pest Management (IPM), because even though they are biological control agents, if used incorrectly, they can negatively alter the functioning of agroecosystems. Therefore, studies that assess the selectivity of these fungi to beneficial organisms are extremely important. The objective of this work was to evaluate the selectivity of Metarhizium anisopliae (Metarril®) and Beauveria bassiana (Boveril®) to adults of Telenomus podisi Ashmead (Hymenoptera: Scelionidae), under laboratory conditions. The products were evaluated on adult females of T. podisi, at the concentrations recommended by the manufacturer. To this, 0.2 mL of suspensions of each product and control (treatments) were applied to the inner surface of glass tubes, and then a female T. podisi was placed in it (≤ 48 h of emergence). After 24 h of contact, cards with 25 eggs of Euschistus heros Fabricius (Hemiptera: Pentatomidae) were offered for 24 h (COF24). After this period, the COF24 were withdrawn. After 72 h of contact of the female with the tube surface, new E. heros egg cards were made available (COF72) for 24 h for T. podisi ovipositioning. The mortality of T. podisi females was evaluated daily to determine longevity, percentage of parasitism and emergence, sex ratio, and egg-adult period of the T. podisi offspring. Metarril® and Boveril®, considered selective for adult females of T. podisi, did not negatively affect most of the parameters evaluated.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Selectivity of Metarhizium anisopliae and Beauveria bassiana to adults of Telenomus podisi (Hymenoptera: Scelionidae)

Battisti

Warmling

Vieira

et al. 2022

Semina: Ciênc. Agrár.

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“…Biological control strategies explored for stink bugs include the use of insectivorous bats (Weier et al 2019), entomopathogenic fungi (Erper et al 2016, Dalla Nora et al 2021) and egg parasitoids (Buffington et al 2018, Stahl et al 2019). An alternative approach might be to identify the food sources of stink bugs when they are not in the macadamia orchards, since these plants could serve as breeding hosts where the insects accumulate before and during the nut set season.…”

Section: Introductionmentioning

confidence: 99%

A Detection Assay to Identify Alternative Food Sources of the Two-Spotted Stink Bug, Bathycoelia distincta (Hemiptera: Pentatomidae)

Fourie

Venter

Slippers

et al. 2022

Journal of Economic Entomology

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The two-spotted stink bug, Bathycoelia distincta Distant (Hemiptera: Pentatomidae), is a serious pest in South African macadamia orchards. This pest is predominantly controlled using insecticides, thus alternative control methods are essential. The stink bugs arrive as adults in the orchards, during the early nut set season, but little is known about their alternative plant hosts before their arrival. The aim of this study was to develop a PCR-based metabarcoding assay to identify plant material in the gut of B. distincta. Thereafter, the persistence of plant DNA in the gut, after switching food sources, was determined by rearing the stink bugs on Zea mays L. (Cyperales: Poaceae), transferring them to Macadamia sp. and then collecting insects at different time points. As a proof of concept, the assay was tested on insects collected from commercial macadamia orchards to determine if it can identify alternative food sources. The chloroplast gene markers, trnL and trnF, were most successful for plant DNA amplification. The time trial suggested that plant material can be detected 24 h after switching to the alternate food source and one of the samples still contained Z. mays DNA after five days. Various plant species were detected from the orchard collected samples, including known food sources of other stink bugs, such as tea plants (Camellia sinensis L. (Ericales:Theaceae)) and sunflowers (Helianthus annuus L. (Asterales: Asteraceae)). This study provides the first indication of potential alternative food sources of B. distincta. The assay developed in this study can now be implemented for large-scale field surveys to contribute to future integrated pest management strategies.

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New frontiers of soil fungal microbiome and its application for biotechnology in agriculture

dos Santos,

Ody,

Kerber

et al. 2023

World J Microbiol Biotechnol

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Isolation and evaluation of entomopathogenic fungi against the neotropical brown stink bug Euschistus heros (F.) (Hemiptera: Pentatomidae) under laboratory conditions

Cited by 7 publications

References 28 publications

Selectivity of Metarhizium anisopliae and Beauveria bassiana to adults of Telenomus podisi (Hymenoptera: Scelionidae)

Selectivity of Metarhizium anisopliae and Beauveria bassiana to adults of Telenomus podisi (Hymenoptera: Scelionidae)

A Detection Assay to Identify Alternative Food Sources of the Two-Spotted Stink Bug, Bathycoelia distincta (Hemiptera: Pentatomidae)

New frontiers of soil fungal microbiome and its application for biotechnology in agriculture

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