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      Ladybeetles (Coccinellidae). Chapter 8.4

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      BioRisk

      Pensoft Publishers

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          Abstract

          The majority of Coccinellidae are beneficial predators and they have received considerable research attention because of their potential as biological control agents. Indeed the role of coccinellids as predators of pest insects has been a major factor in the movement of coccinellids between countries. The commercial production of coccinellids by biological control companies and local producers led to a rapid increase in distribution thoughout the 1990s. To date, 13 alien coccinellid species have been documented in Europe; 11 of these are alien to Europe (two are alien to Great Britain and Sweden but native within Europe). The distribution of alien coccinellids in Europe mirrors the biogeographical distribution and patterns of introduction. Some species have dispersed widely; Harmonia axyridis has spread rapidly from countries where it was deliberately introduced to many others across Europe. The ecological and economic impacts of alien coccinellids are not well documented. In this chapter we provide an overview of the temporal and spatial patterns of alien coccinellids in Europe.

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          Author and article information

          Journal
          BioRisk
          BR
          Pensoft Publishers
          1313-2652
          1313-2644
          July 06 2010
          July 06 2010
          : 4
          : 293-313
          Article
          10.3897/biorisk.4.49
          © 2010
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