Helen E. Roy

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Ladybirds

by Helen E. Roy, Peter M. J. Brown, Richard F. Comont, Remy L. Poland, and John J. Sloggett First published in 2013 — 4 editions

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From biological control to invasion: the ladybird harmonia axyridis as a model species

by Helen E. Roy First published in 2008 — 4 editions

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Field Guide to Invasive Plants and Animals in Britain

by Olaf Booy, Max Wade, and Helen E. Roy First published in 2015 — 3 editions

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Field Guide to the Ladybirds of Great Britain and Ireland

by Helen E. Roy and Peter M. J. Brown First published in 2018 — 3 editions

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Natural History of Ladybird Beetles

by M. E. N. Majerus, Helen E. Roy, and P. M. J. Brown First published in 2016 — 2 editions

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The Ecology of Fungal Entomopathogens

by Helen E. Roy First published in 2010 — 2 editions

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Guide to Ladybirds of the British Isles

by M.E.N. Majerus, Helen E. Roy, Peter M. J. Brown, and Remy Ware First published in 2006 — 1 edition

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Natural History of Ladybird Beetles

by Michael Majerus, Helen E. Roy, and Peter M. J. Brown First published in 2016 — 1 edition

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Invasive Alien Arthropod Predators and Parasitoids: An Ecological Approach

by Helen E. Roy, Patrick De Clercq, Lori-Jayne Lawson Handley, John J. Sloggett, Remy L. Poland, and Eric Wajnberg First published in 2013 — 1 edition

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Field Guide to the Ladybirds of Britain and Ireland

by Helen E. Roy, Richard Lewington, and Peter M. J. Brown First published in 2018 — 1 edition

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Invasive Plants and Animals of Britain Helm Field Guides

by Helen E. Roy First published in 2014 — 1 edition

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Invasive Alien Arthropod Predators And Parasitoids An Ecological Approach

by Helen E. Roy First published in 2011 — 1 edition

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The ladybirds (Coccinellidae) of Britain and Ireland: an atlas of the ladybirds of Britain, Ireland, the Isle of Man, and the Channel Islands

by Helen E. Roy First published in 2011 — 1 edition

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ID Numbers

OLID: OL7077007A

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Alternative names

Helen Roy
H. E. Roy

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Created February 8, 2012
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July 6, 2025	Edited by bitnapper	merge authors
February 8, 2012	Created by LC Bot	import new book

Helen E. Roy

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