Literature Review on the Natural Enemies of Spodoptera Frugiperda J. E. Smith (Lepidoptera: Noctuidae) and the Effectiveness of Their Use in the Management of This Pest in Corn (Zea Mays L.)

Tchao, Manguilibè; Tounou, Agbéko Kodjo; Agboka, Komi; Tchein, Gnon; Matotiloa, Tchegueni; Gnamkoulamba, Atama; Sanda, Komla

doi:10.5281/zenodo.6797815

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“…Temelucha spp. are endolarval hymenopteran parasitoids that have previously been shown to be effective against FAW larvae in India 50 , 56 and other countries 27 . Similarly, Euplectrus spp., a konobiont ectoparasitoid, has been shown to effectively parasitize FAW larvae in India 56 .…”

Section: Discussionmentioning

confidence: 99%

“…There are large numbers of potential FAW parasitoids in the world, and this paves the way to regulate the pest sustainably and economically in farmers’ fields 25 , 26 . Previous research in the American continents and the Caribbean resulted in the identification of more than 150 parasitoid species that had the potential to suppress FAW in the maize fields and diverse crops habitats, and thus to be a key part of IPM of FAW to minimize crop yield loss 27 , 28 .…”

Section: Introductionmentioning

confidence: 99%

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Hymenopteran parasitoid complex and fall armyworm: a case study in eastern India

Pal,

Bhattacharya,

Dhar

et al. 2024

Sci Rep

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Fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith) has significantly affected maize crop yields, production efficiency, and farmers’ incomes in the Indian Eastern Gangetic Plains region since it was first observed in India in 2018. A lack of awareness by maize growers of the appropriate selection, method, and timing of insecticide application not only creates a barrier to sustainable FAW control but also contributes to increased environmental pollution, reduced human health and increased production costs. We demonstrated that FAW inflicted the most damage in early whorl growth stage of maize, regardless of whether chemical insecticides were applied. FAW egg masses and larvae collected from maize fields in which no insecticides had been sprayed showed high parasitism rates by parasitoid wasps; in contrast fields that had been sprayed had much lower rates of parasitism on FAW. Ten hymenopteran parasitoids were observed in maize fields across the study region, suggesting a diversity of natural methods to suppress FAW in maize at different growth stages. These included two FAW egg parasitoids and eight FAW larval parasitoids. Microplitis manilae Ashmead was the most abundant FAW larval parasitoid species, and Telenomus cf. remus was the dominant FAW egg parasitoid species. Endemic FAW parasitoids such as those observed in this study have great potential as part of a sustainable, cost-effective agroecological management strategy, which can be integrated with other methods to achieve effective control of FAW.

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Section: Discussionmentioning

confidence: 99%