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      Diamondback moth ecology and management: problems, progress, and prospects.

      1 , ,
      Annual review of entomology
      Annual Reviews

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          Abstract

          Agricultural intensification and greater production of Brassica vegetable and oilseed crops over the past two decades have increased the pest status of the diamondback moth (DBM), Plutella xylostella L., and it is now estimated to cost the world economy US$4-5 billion annually. Our understanding of some fundamental aspects of DBM biology and ecology, particularly host plant relationships, tritrophic interactions, and migration, has improved considerably but knowledge of other aspects, e.g., its global distribution and relative abundance, remains surprisingly limited. Biological control still focuses almost exclusively on a few species of hymenopteran parasitoids. Although these can be remarkably effective, insecticides continue to form the basis of management; their inappropriate use disrupts parasitoids and has resulted in field resistance to all available products. Improved ecological understanding and the availability of a series of highly effective selective insecticides throughout the 1990s provided the basis for sustainable and economically viable integrated pest management (IPM) approaches. However, repeated reversion to scheduled insecticide applications has resulted in resistance to these and more recently introduced compounds and the breakdown of IPM programs. Proven technologies for the sustainable management of DBM currently exist, but overcoming the barriers to their sustained adoption remains an enormous challenge.

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          Author and article information

          Journal
          Annu Rev Entomol
          Annual review of entomology
          Annual Reviews
          1545-4487
          0066-4170
          2013
          : 58
          Affiliations
          [1 ] School of Biological Sciences, University of Queensland, St Lucia, Queensland 4072, Australia. m.furlong@uq.edu.au
          Article
          10.1146/annurev-ento-120811-153605
          23020617
          1a8329f2-8019-4f12-a177-0e4233cdfe5f
          History

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