Efficacy of <i>Trichogramma</i> wasps for controlling tomato leaf miner <i>Tuta absoluta</i>

Abdel-Razek, A. S.; Masry, Saad; Sadek, Hanaa E.; Gaafar, Nawal

doi:10.1080/03235408.2019.1634782

Cited by 7 publications

(4 citation statements)

References 24 publications

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“…Pero se determinó que el control ejercido por T. brassicae unido a una variedad resistente, redujeron el daño causado y el número de aplicaciones de insecticidas (Saeidi & Raeesi, 2021). Otras especies de Trichogramma no especificadas, son citadas como efectivas en la reducción poblacional de T. absoluta (Abdel-Razek et al, 2019;Gaffar et al, 2016). Similar a lo que sucede con el número de referencias del parasitismo de huevos de las otras dos plagas.…”

Section: Discussionunclassified

Parasitismo de huevos de lepidópteros plagas (Insecta: Lepidoptera) por Trichogramma pretiosum (Hymenoptera: Trichogrammatidae) en tomate (Solanum lycopersicum)

Salas

Ferrer-Wurst²

2022

Agron. Mesoam.

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Introducción. El perforador del fruto del tomate Neoleucinodes elegantalis (Guenée) (Lepidoptera: Pyralidae) y los minadores de la hoja Phthorimaea operculella (Zeller) y Tuta absoluta Meyrick (Lepidoptera: Gelechiidae), afectan la producción de tomate en diferentes áreas en Venezuela. El parasitismo de sus huevos por Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) es una valiosa alternativa de control de bajo costo y sustentable que combinado con otras formas de control sería un excelente componente del Manejo Integrado de Plagas. Objetivo. Evaluar el parasitismo ejercido por T. pretiosum sobre las poblaciones de plagas lepidópteras en tomate. Materiales y métodos. La evaluación se realizó en todas las siembras entre junio y agosto de 2017, desde la tercera semana después del trasplante hasta dos semanas después de la última floración, en las localidades El Pueblito, Los Ejidos del Hato y El Vigiadero, municipio Jiménez, estado Lara, Venezuela. Se liberaron los adultos del parasitoide y posteriormente, se recolectaron los foliolos para evaluar el parasitismo de los huevos de las especies minadoras. Al iniciarse la fructificación, se colectaron frutos pequeños y medianos incluyendo el cáliz y fueron cortados cuidadosamente del pedúnculo floral. En ambos casos se realizó el conteo de los huevos. Resultados. En todas las evaluaciones, se registró un parasitismo que varió en 43 y 53 % para N. elegantalis y entre 16 y 48 % para las especies minadoras de las hojas. En el laboratorio, el parasitismo para P. operculella y T. absoluta varió entre 88 y 84 % cuando los huevos estuvieron separados, al estar juntos se observó un mayor parasitismo de huevos de P. operculella (76 %) versus T. absoluta (44 %). Conclusiones. T. pretiosum ejerció un parasitismo significativo sobre los huevos de las tres especies lepidópteras estudiadas en siembras de tomate en Venezuela. Palabras claves: Neoleucinodes, Phthorimaea, Tuta, manejo integrado de plagas, hortalizas.

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Section: Discussionunclassified

Parasitismo de huevos de lepidópteros plagas (Insecta: Lepidoptera) por Trichogramma pretiosum (Hymenoptera: Trichogrammatidae) en tomate (Solanum lycopersicum)

Salas

Ferrer-Wurst²

2022

Agron. Mesoam.

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“…The tomato production system was also recorded as either an open field or greenhouse/screen house production. Additionally, an average number of N. tenuis per kilogram of tomato leaves were estimated and four classes were obtained for this variable 0 = absence of N. tenuis , [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 ] = low-level presence of N. tenuis , [ 50 ,…”

Section: Methodsmentioning

confidence: 99%

“…Other native parasitoids of T. absoluta such as Bracon nigricans Szépligeti, Bracon hebetor (Say), Ecdamua cadenat (Risbec) (Hymenoptera: Torymidae), Dolichogenidea appellator (Telenga) (Hymenoptera: Braconidae), and Neochrysocharis formosa (Westwood) (Hymenoptera: Eulophidae) have been reported in Sudan [ 29 , 30 ]. In the Middle East and North Africa (MENA) region, there have been several efforts of parasitoid releases against T. absoluta [ 31 ], and this showed a significant reduction in the pest damage [ 32 , 33 , 34 , 35 , 36 ].…”

Section: Introductionmentioning

confidence: 99%

Identification, Microhabitat, and Ecological Niche Prediction of Two Promising Native Parasitoids of Tuta absoluta in Kenya

Sambo

Ndlela

Plessis

et al. 2022

Insects

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Associations between the South American tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), and its native parasitoids need to be updated to increase the implementation of pest control strategies. In this study, T. absoluta-infested tomato plants were collected from three regions in Kenya. The emerged parasitoids were identified, and their abundance was correlated with agroecological parameters, viz. cropping systems, and the abundance of the predator Nesidiocoris tenuis Reuter (Hemiptera: Miridae). The study further conducted a habitat suitability prediction for the identified parasitoids. Two parasitoid species, Bracon nigricans (Szépligeti) (Hymenoptera: Braconidae) and Stenomesius sp. near japonicus (Ashmead) (Hymenoptera: Eulophidae) emerged from T. absoluta immature stages, with parasitism rates ranging from 0 to 21% and 0 to 17% respectively. Insecticide application and open field cropping negatively influenced the parasitism by S. sp. nr japonicus. Low occurrence of N. tenuis positively affected B. nigricans parasitism. The predicted occurrence of parasitoid species indicated vast suitable areas for B. nigricans in sub-Saharan Africa, Australia, and South America. Low suitability was observed for S. sp. nr japonicus in Africa. Therefore, native parasitoids, especially B. nigricans could be considered for implementation as a biocontrol agent in the Integrated Pest Management program of T. absoluta.

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“…Several synthetic insecticides and pesticides were tested for their effectiveness and ease of application in the control and management of leafminer, but they were gradually discovered to be less responsive and ineffective due to the nature of damage, lifecycle, and resistance development in T. absoluta (Ayele et al, 2020). T. absoluta is now controlled in its native land through IPM strategies that include the introduction of biological control methods such as the use of several entomopathogenic organisms as well as other insects that feed on the larvae, pupae, and adults of T. absoluta (i.e., use of predators) as well as the use of pheromones or coloured traps (Abdel-Razek et al, 2019). The following are some of the pest management approaches that can be used.…”

Section: Management Strategies Of T Absolutamentioning

confidence: 99%

Effective Management Practices Of Tomato Leafminer- Tuta Absoluta (Lepidoptera: Gelechiidae): A Review

Kurmi¹,

Tiwari²,

Roy³

et al. 2022

Sust.food.agr.

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Tomato leafminer (Tuta absoluta) is an economically and physiologically important oligophagous pest (a pest which feeds on plants of a particular group) of solanaceous crops, particularly tomato. The lifecycle of tomato leafminers possesses complete metamorphosis, which means that all four phases are present in its lifetime. The larval stage, which feeds by mining the mesophyll of tomato leaves and fruits, is the most destructive of the four phases. The insect population is rapidly increasing, obliterating and consuming crop fields all over the world. Their expansion has reduced the quantity of high-quality tomato produce, resulting in an economic loss. To counteract this trend, the pest population must be controlled before it reaches crisis proportions. Several studies and experiments have been undertaken, and several management approaches have been applied to control T. absoluta, but they have gradually proved ineffectual due to their feeding and damage behaviour, reproductive potential, and resistance development to applied treatments. They have been subjected to a variety of chemical control approaches. But slowly, they became immune to the majority of contact insecticides and pesticides used against them. As a result, the emerging strategy for now is the integration of all management methods, including physical, biological, biochemical, cultural, genetic, and Integrated Pest Management (IPM), in order to discourage the development of resistance in them and obliterate their populations both inside greenhouses and open fields, which could be possible with the government’s and concerned authorities’ ongoing support.

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Efficacy of Trichogramma wasps for controlling tomato leaf miner Tuta absoluta

Cited by 7 publications

References 24 publications

Parasitismo de huevos de lepidópteros plagas (Insecta: Lepidoptera) por Trichogramma pretiosum (Hymenoptera: Trichogrammatidae) en tomate (Solanum lycopersicum)

Parasitismo de huevos de lepidópteros plagas (Insecta: Lepidoptera) por Trichogramma pretiosum (Hymenoptera: Trichogrammatidae) en tomate (Solanum lycopersicum)

Identification, Microhabitat, and Ecological Niche Prediction of Two Promising Native Parasitoids of Tuta absoluta in Kenya

Effective Management Practices Of Tomato Leafminer- Tuta Absoluta (Lepidoptera: Gelechiidae): A Review

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