Workshop on Important Arthropod Pests of the Caribbean Basin Amenable to Biological Control: Homoptera, Coleoptera, Lepidoptera: Biological Approaches for Management of Weevils of Root and Tuber Crops: A Review

Richard K. Jansson

Abstract


Several weevils attack root and tuber crops. These include: Cylas formicarius (Fabricius), C. puncticollis (Boheman), C. brunneus (Fabricius), Euscepes postfasciatus (Fairmaire), E. porcellus Boheman, Alcidodes dentipes (Oliver), Parisacalles guadalupensis (Hust.), and Parisacalles sp. on sweet potato, Ipomoea batatas (L.) Lam.; Premnotrypes spp. on potato, Solanum tuberosum L.; and Palaeopus dioscoreae Pierce on yam, Dioscorea spp.. Few studies have evaluated biological control agents of these weevils. All known natural enemies, biological control agents, and other biorational approaches, such as sex pheromone, used against these weevils for their management are reviewed. In addition, the future of these approaches for managing these weevils is discussed.

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