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Decline in native ladybirds in response to the arrival of the harlequin ladybird Harmonia axyridis

Brown, P.M.J.; Frost, R.; Doberski, J.; Sparks, T.; Harrington, R.; Roy, H.E.. 2011 Decline in native ladybirds in response to the arrival of the harlequin ladybird Harmonia axyridis. [Lecture] In: British Ecological Society Annual Meeting and AGM, University of Sheffield, 12-14 September 2011. (Unpublished)

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Abstract/Summary

Changes in UK ladybird species assemblages were assessed during the invasion phase of the alien harlequin ladybird. Harlequins increased from 0.1% (year 1) to 40% (year 3) of total ladybirds sampled, whilst native aphidophagous ladybirds declined from 84% to 41%. Competition and intraguild predation particularly impacted the 2-spot ladybird

Item Type: Publication - Conference Item (Lecture)
Programmes: CEH Topics & Objectives 2009 - 2012 > Biodiversity > BD Topic 1 - Observations, Patterns, and Predictions for Biodiversity > BD - 1.2 - Data collection systems to record and assess changes ...
CEH Topics & Objectives 2009 - 2012 > Biodiversity > BD Topic 2 - Ecological Processes in the Environment > BD - 2.2 - Quantify the impact of invasive species, pathogens ...
CEH Sections: Pywell
NORA Subject Terms: Ecology and Environment
Date made live: 22 Sep 2011 12:15
URI: http://nora.nerc.ac.uk/id/eprint/15135

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