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Efficacy of Grain Protectants and Phosphine Against Liposcelis bostrychophila, L. entomophila, and L. paeta (Psocoptera: Liposcelidae)

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Nayak, M. K., Collins, P. J. and Reid, S.R. (1998) Efficacy of Grain Protectants and Phosphine Against Liposcelis bostrychophila, L. entomophila, and L. paeta (Psocoptera: Liposcelidae). Journal of Economic Entomology, 91 (5). pp. 1208-1212. ISSN 0022-0493

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Article Link: https://doi.org/10.1093/jee/91.5.1208

Abstract

The effectiveness of8 grain protectants and the fumigant phosphine was tested against Liposcelis bostrychophila Badonnel, L. entomophila (Enderlein), and L. paeta Peamlan. These species are common pests in Asia and have become important pests in the Australian grain-handling system. L. entomophila and L. paeta were tolerant to all protectants tested, whereas only organophosphates were effective against L. bostrychophila. Phosphine was highly effective against all 3species. Asurvey of field populations of L. entomophila and L. bostrychophila suggested that the tolerance to protectant insecticides was a natural phenomenon and not due to resistance. We conclude that of these chemical tactics only phosphine has a place in the management of psocids in general. Organophosphorous grain protectants could be used where L. bostrychophila is prevalent.

Item Type:Article
Keywords:Liposcelis bostrychophila, Liposcelis entomophila, Liposcelis paeta, Psocoptera, stored grain, phosphine
Subjects:Plant pests and diseases > Economic entomology
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Live Archive:15 Feb 2024 22:52
Last Modified:15 Feb 2024 22:52

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