Article (Scientific journals)
Natural enemies of the fall armyworm Spodoptera frugiperda (Smith) (Lepidoptera: Noctuidae) in Burkina Faso
Ahissou, Besmer Régis; Sawadogo, Wendnéyidé Mathieu; Bonzi, Schémaéza et al.
2021In Tropicultura, 39 (3)
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Keywords :
biological control; entomopathogenic fungus; entomopathogenic nematodes; parasitoids; generalist predators
Abstract :
[en] The fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae) is a voracious pest that preferentially feeds on cereals and other crops of economic importance. Native to America, it has recently invaded sub-Saharan African countries where it is currently threatening food security. There is limited knowledge of the natural enemies of the fall armyworm in Africa. In this study, we aimed to identify arthropods, fungi and entomopathogenic nematodes that naturally control this pest in Burkina Faso. Insect samplings, including larvae and egg masses, were conducted in 47 maize farms from October 2019 to November 2020. About 20 species of parasitoids, predators and entomopathogenic fungus associated with the fall armyworm were identified. The overall parasitism rate was 10.5%. Nematodes (Mermithidae) were the most frequent parasites (73.2% of the parasitized larvae). Identified parasitoids included Hymenopterans [Coccygidium luteum (Brullé), Chelonus bifoveolatus (Szépligeti)] and Dipterans (Drino sp.). Predators included Areneae and insects belonging to the following families: Carabidae (Calleida sp.), Coccinellidae [Cheilomenes sulphurea (Olivier)], Forficulidae [Diaperasticus erythrocephalus (Olivier), Forficula senegalensis (Serville)], Formicidae [Pheidole megacephala (Fabricius) and others], Mantidae, Pentatomidae and Reduviidae (Rhynocoris sp.). The most abundant predators were members of the Forficulidae (51%), Formicidae (15%) and Coccinellidae (13%). We advocate for the development of conservation biological control since this approach can be simple and cost-effective to control this pest.
Disciplines :
Entomology & pest control
Author, co-author :
Ahissou, Besmer Régis  ;  Université de Liège - ULiège > TERRA Research Centre
Sawadogo, Wendnéyidé Mathieu  ;  Université de Liège - ULiège > TERRA Research Centre
Bonzi, Schémaéza
Baimey, Hugues
Somda, Irénée
Bokonon-Ganta, Aimé
Verheggen, François  ;  Université de Liège - ULiège > Département GxABT > Gestion durable des bio-agresseurs
Language :
English
Title :
Natural enemies of the fall armyworm Spodoptera frugiperda (Smith) (Lepidoptera: Noctuidae) in Burkina Faso
Publication date :
2021
Journal title :
Tropicultura
ISSN :
0771-3312
eISSN :
2295-8010
Publisher :
Agri-Overseas, Bruxelles, Belgium
Volume :
39
Issue :
3
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
ARES - Académie de Recherche et d'Enseignement Supérieur
Available on ORBi :
since 08 November 2021

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