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Ladybeetles (Coccinellidae)\ud Chapter 8.4

By Helen Roy and Alain Migeon

Abstract

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

Topics: Ecology and Environment
Publisher: Pensoft
Year: 2010
DOI identifier: 10.3897/biorisk.4.49
OAI identifier: oai:nora.nerc.ac.uk:10702

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