| The harlequin ladybird, Harmonia axyridis: global perspectives on invasion history and ecology HE Roy, PMJ Brown, T Adriaens, N Berkvens, I Borges, S Clusella-Trullas, ... Biological invasions 18, 997-1044, 2016 | 418 | 2016 |
| The global spread of Harmonia axyridis (Coleoptera: Coccinellidae): distribution, dispersal and routes of invasion PMJ Brown, CE Thomas, E Lombaert, DL Jeffries, A Estoup, ... BioControl 56, 623-641, 2011 | 413 | 2011 |
| Harmonia axyridis in Europe: spread and distribution of a non-native coccinellid PMJ Brown, T Adriaens, H Bathon, J Cuppen, A Goldarazena, T Hägg, ... From biological control to invasion: the ladybird Harmonia axyridis as a …, 2008 | 403 | 2008 |
| Lessons from lady beetles: accuracy of monitoring data from US and UK citizen‐science programs MM Gardiner, LL Allee, PMJ Brown, JE Losey, HE Roy, RR Smyth Frontiers in Ecology and the Environment 10 (9), 471-476, 2012 | 388 | 2012 |
| Invasive alien predator causes rapid declines of native European ladybirds HE Roy, T Adriaens, NJB Isaac, M Kenis, T Onkelinx, GS Martin, ... Diversity and Distributions 18 (7), 717-725, 2012 | 349 | 2012 |
| A vision for global biodiversity monitoring with citizen science MJO Pocock, M Chandler, R Bonney, I Thornhill, A Albin, T August, ... Advances in ecological research 59, 169-223, 2018 | 233 | 2018 |
| Harmonia axyridis in Great Britain: analysis of the spread and distribution of a non-native coccinellid PMJ Brown, HE Roy, P Rothery, DB Roy, RL Ware, MEN Majerus From biological control to invasion: the ladybird Harmonia axyridis as a …, 2008 | 148 | 2008 |
| Decline in native ladybirds in response to the arrival of Harmonia axyridis: early evidence from England PMJ Brown, R Frost, J Doberski, TIM Sparks, R Harrington, HE Roy Ecological Entomology 36 (2), 231, 2011 | 147 | 2011 |
| Interactions between the fungal pathogen Beauveria bassiana and three species of coccinellid: Harmonia axyridis, Coccinella septempunctata and Adalia bipunctata HE Roy, PMJ Brown, P Rothery, RL Ware, MEN Majerus BioControl 53, 265-276, 2008 | 140 | 2008 |
| Agricultural management and climatic change are the major drivers of biodiversity change in the UK F Burns, MA Eaton, KE Barlow, BC Beckmann, T Brereton, DR Brooks, ... PLoS One 11 (3), e0151595, 2016 | 116 | 2016 |
| Ten years of invasion: Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) in Britain HE Roy, PMJ Brown Ecological Entomology 40 (4), 336-348, 2015 | 116 | 2015 |
| Harmonia axyridis: a successful biocontrol agent or an invasive threat? H Roy, P Brown, M Majerus An ecological and societal approach to biological control, 295-309, 2006 | 115 | 2006 |
| Rapid spread of Harmonia axyridis in Chile and its effects on local coccinellid biodiversity AA Grez, T Zaviezo, HE Roy, PMJ Brown, G Bizama Diversity and Distributions 22 (9), 982-994, 2016 | 104 | 2016 |
| The contribution of volunteer recorders to our understanding of biological invasions HE Roy, SL Rorke, B Beckmann, O Booy, MS Botham, PMJ Brown, ... Biological Journal of the Linnean Society 115 (3), 678-689, 2015 | 90 | 2015 |
| Harmonia axyridis (Coleoptera: Coccinellidae) in Asia: a re-examination of the native range and invasion to southeastern Kazakhstan and Kyrgyzstan MJ Orlova-Bienkowskaja, AS Ukrainsky, PMJ Brown Biological Invasions 17, 1941-1948, 2015 | 79 | 2015 |
| Native ladybird decline caused by the invasive harlequin ladybird Harmonia axyridis: evidence from a long‐term field study PMJ Brown, HE Roy Insect Conservation and Diversity 11 (3), 230-239, 2018 | 78 | 2018 |
| Characteristics and drivers of high-altitude ladybird flight: insights from vertical-looking entomological radar DL Jeffries, J Chapman, HE Roy, S Humphries, R Harrington, PMJ Brown, ... PloS one 8 (12), e82278, 2013 | 77 | 2013 |
| Ladybirds (Coccinellidae) of Britain and Ireland. H Roy, P Brown, R Frost, R Poland | 66 | 2011 |
| Predation of native coccinellids by the invasive alien Harmonia axyridis (Coleoptera: Coccinellidae): detection in Britain by PCR‐based gut analysis AP Thomas, J Trotman, A Wheatley, A Aebi, R Zindel, PMJ Brown Insect Conservation and Diversity 6 (1), 20-27, 2013 | 59 | 2013 |
| Intraguild predation by Harmonia axyridis (Coleoptera: Coccinellidae) on native insects in Europe: molecular detection from field samples PMJ Brown, B Ingels, A Wheatley, EL Rhule, P De Clercq, ... Entomological Science 18 (1), 130-133, 2015 | 58 | 2015 |
Helen RoyProfessor, UK Centre for Ecology & HydrologyVerified email at ceh.ac.uk
