Egg Parasitoids of Stink Bugs (Hemiptera: Coreidae and Pentatomidae) on Soybean and Cowpea in Brazil

Paz-Neto, Antonio de Almeida; Querino, Ranyse B.; Margaría, Cecilia Beatriz

doi:10.1653/024.098.0318

Cited by 18 publications

(17 citation statements)

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“…These results expand the known range of hemipteran egg parasitoids in northeastern Brazil. This is also the first report of C. sanctus egg parasitism by A. coreophagus and O. submetallicus in Brazil, and the first report of C. sanctus (Coreidae) as a host for N. flavipes, the latter a parasitoid that has been previously reported only in eggs of Pentatomidae by Paz-Neto et al (2015).…”

Section: Discussionsupporting

confidence: 58%

Diversity, Seasonality, and Egg Parasitism of Hemipteran (Coreidae and Pentatomidae) from a Cowpea Crop in Northeastern Brazil

Sousa

Silva

Querino

et al. 2019

Florida Entomologist

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We report here on the diversity and composition of Coreidae and Pentatomidae species, as well as their egg parasitoids collected on cowpea (Vigna unguiculata [L.] Walp) (Fabaceae) plants from a field in Teresina, central-northern Piauí State, Brazil. Weekly sweep net sampling was performed during the phenological cycle of this crop in the rainy and dry seasons. In the pentatomid collections, 14 species were identified from 3 subfamilies (Asopinae, Edessinae, and Pentatominae). Five species of Coreidae also were collected from the subfamily Coreinae. We found that Euschistus heros (F.), Crinocerus sanctus (F.), Chinavia ubica (Rolston), and Piezodorus guildinii (Westwood) (all Hemiptera: Pentatomidae) were the most abundant hemipteran species associated with cowpea. Generally, species richness and diversity of individuals from this order were higher in the rainy season than in the dry season. The parasitoid species identified from field-collected hemipteran egg masses were: Anastatus coreophagus Ashmead (Hymenoptera: Eupelmidae), Neorileya flavipes Ashmead (Hymenoptera: Eurytomidae), Ooencyrtus anasae (Ashmead) (Hymenoptera: Encyrtidae), O. submetallicus (Howard) (Hymenoptera: Encyrtidae), and Trissolcus urichi (Crawford) (Hymenoptera: Platygastridae). We found that about 52% of hemipteran egg masses collected from the cowpea field were naturally parasitized by the above parasitoids, whereas nearly 10% of C. sanctus and C. ubica sentinel egg masses were parasitized.

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Section: Discussionsupporting

confidence: 58%

Diversity, Seasonality, and Egg Parasitism of Hemipteran (Coreidae and Pentatomidae) from a Cowpea Crop in Northeastern Brazil

Sousa

Silva

Querino

et al. 2019

Florida Entomologist

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“…Esses resultados são importantes já que o cultivo do feijão-caupi tende a se estabelecer em grandes áreas, que incorporam tecnologias modernas aos arranjos produtivos (FREIRE FILHO et al, 2011) (PAZ-NETO et al, 2015). Venzon et al (1999) verificaram que, em todas as áreas de soja onde foi liberado o parasitoide de ovos T. basalis, a população de percevejos se manteve abaixo do nível de controle até o final da safra, e a porcentagem de sementes danificadas por percevejos foi semelhante àquela obtida em áreas onde o controle havia sido feito com inseticidas.…”

Section: Resultsunclassified

Níveis de dano e de controle do percevejo-verde-da-soja Nezara viridula (Hemiptera: Pentatomidae) em feijão-caupi

Silva

Sobrinho

2017

AGRO@MBIENTE ON-LINE

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Resumo: Estudos sobre níveis de danos causados por insetos são importantes para tomada de decisão de controle de pragas nas culturas e implementação de práticas de manejo integrado de pragas. Em culturas como as de soja e feijão-comum, esses níveis já foram estudados e definidos, e o manejo de suas pragas já está estabelecido. Entretanto, no feijão-caupi, que possui muitas pragas semelhantes às da soja e do feijão-comum, parâmetros utilizados para tomada de decisão de controle ainda precisam ser estabelecidos. Assim, objetivou-se com este estudo determinar os níveis de danos e de controle do percevejo-verde-da-soja, Nezara viridula em feijão-caupi. Gaiolas teladas foram colocadas em campo sobre estrados, e, em seu interior, cinco vasos contendo uma planta em cada um deles, o que equivaleu a uma população de cinco plantas por metro linear. Os níveis de densidades populacionais de percevejos nas gaiolas foram o equivalente aos de 0; 2; 4; 6 e 8 adultos m -1. A infestação pelos percevejos ocorreu por todo o período reprodutivo da cultura, compreendendo o início da emissão das vagens até a sua completa maturação fisiológica, que corresponde a aproximadamente 20 dias. Diariamente, as gaiolas eram observadas, e os insetos mortos substituídos; ao final do período de infestação, avaliou-se a produção de grãos íntegros. O aumento de um percevejo por metro de fileira proporcionou perdas na produção de 6,36%. O nível de controle estimado para o percevejoverde-da-soja em feijão-caupi é de 0,7 percevejos por metro de fileira. Palavras-chave: Manejo integrado de pragas. Nível de ação. Vigna unguiculata.Abstract: Studies on the levels of damage caused by insects are important for decision-making in pest control in crops and the implementation of integrated pest management practices. In crops such as the soybean and the common bean, these levels have already been studied and defined, and pest management already established. However, in the cowpea, which has many similar pests to the soybean and the common bean, the parameters used in decision-making for their control still need to be established. The aim of this study therefore, was to determine levels of damage and control of the green stink bug, Nezara viridula in the cowpea. In the field, screen cages were placed on low frames; inside, were five pots, each containing one plant, equivalent to a population of five plants per linear metre. The levels of bug population density in the cages were equivalent to 0, 2, 4, 6, and 8 adults m -1 . Bug infestation occurred throughout the reproductive period of the crop, including the start of pod emission until their complete physiological maturation, corresponding to approximately 20 days. The cages were checked daily, and dead insects replaced. At the end of the infestation period, the production of whole grains was evaluated. An increase of one bug per metre of row gave production losses of 6.36%. The estimated level of control for the green stink bug in the cowpea is 0.7 bugs per metre of row.

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“…Because of the high diversity of natural enemies (Cingolani, 2012), especially of egg parasitoids (Scelionidae), which can reach high natural parasitism rates of 60–80% (Corrêa‐Ferreira & Moscardi, 1995; Cingolani et al, 2014a,b; Paz‐Neto et al, 2015; Zerbino & Panizzi, 2019), conservation biological control appears to be an effective approach for stink bug management in South America. However, due to the expansion of agricultural fields, landscape and habitat management may be necessary to enhance the ecological services provided by parasitoids (Aquino et al, 2019).…”

Section: Case Study 5: Biological Control Of Stink Bugs In South Americamentioning

confidence: 99%

Biological control of invasive stink bugs: review of global state and future prospects

Conti

Avila

Barratt

et al. 2020

Entomologia Exp Applicata

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Egg Parasitoids of Stink Bugs (Hemiptera: Coreidae and Pentatomidae) on Soybean and Cowpea in Brazil

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 18 publications

References 18 publications

Diversity, Seasonality, and Egg Parasitism of Hemipteran (Coreidae and Pentatomidae) from a Cowpea Crop in Northeastern Brazil

Diversity, Seasonality, and Egg Parasitism of Hemipteran (Coreidae and Pentatomidae) from a Cowpea Crop in Northeastern Brazil

Níveis de dano e de controle do percevejo-verde-da-soja Nezara viridula (Hemiptera: Pentatomidae) em feijão-caupi

Biological control of invasive stink bugs: review of global state and future prospects

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