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Integration of Entomopathogenic Fungi into IPM Programs: Studies Involving Weevils (Coleoptera: Curculionoidea) Affecting Horticultural Crops

Sciprofile linkKim Khuy Khun, Sciprofile linkBree A. L. Wilson, Sciprofile linkMark M. Stevens, Sciprofile linkRuth K. Huwer, Sciprofile linkGavin J. Ash
Published: 25 September 2020
 by  MDPI
 in Insects
Insects , Volume 11; doi:10.3390/insects11100659

Abstract: Weevils are significant pests of horticultural crops and are largely managed with insecticides. In response to concerns about negative impacts of synthetic insecticides on humans and the environment, entomopathogenic fungi (EPF) have been developed as an alternative method of control, and as such appear to be “ready-made” components of integrated pest management (IPM) programs. As the success of pest control requires a thorough knowledge of the biology of the pests, this review summarises our current knowledge of weevil biology on nut trees, fruit crops, plant storage roots, and palm trees. In addition, three groups of life cycles are defined based on weevil developmental habitats, and together with information from studies of EPF activity on these groups, we discuss the tactics for integrating EPF into IPM programs. Finally, we highlight the gaps in the research required to optimise the performance of EPF and provide recommendations for the improvement of EPF efficacy for the management of key weevils of horticultural crops.
Keywords: Bacillus thuringiensis / transmission / endophyte / weevil / Metarhizium / Beauveria / Entomopathogenic Nematode / Sterile Male / Attract-and-kill / Repellent Volatile

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