The development of suppression tactics for Biprorulus bibax (Heteroptera: Pentatomidae) as Part of an integrated pest management programme in citrus in inland South-eastern Australia

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Abstract
Suppression tactics for the citrus stink bug pest, Biprorulus bibax Breddin, were developed and implemented during 1987–1992 in four lemon orchards in southern New South Wales, Australia. Tactics were based on introduction and conservation of natural enemies (principally egg parasitoids), physical or chemical treatment of overwintering populations and strategic low rate applications of a selective insecticide. Estimated adult populations of 10–35,000/1.5 ha and 70–90% fruit damage in untreated crops were reduced to <500/1.5 ha and <5%, respectively, following full implementation of the management programme. Integrated management of B. bibax removes the need for broad-spectrum insecticides to control this pest and lessens the risk of disruption to biological control of other citrus pests.