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Items where NERC Author is "Roy, Helen"

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Publication - Article

Roy, Helen E.; Preston, Chris D.; Harrower, Colin A.; Rorke, Stephanie L.; Noble, David; Sewell, Jack; Walker, Kevin; Marchant, John; Seeley, Becky; Bishop, John; Jukes, Alison; Musgrove, Andy ; Pearman, David ; Booy, Olaf. 2014 GB Non-native Species Information Portal: documenting the arrival of non-native species in Britain. Biological Invasions, 16 (12). 2495-2505. 10.1007/s10530-014-0687-0

Roy, Helen E.; Peyton, Jodey; Aldridge, David C.; Bantock, Tristan; Blackburn, Tim M.; Britton, Robert; Clark, Paul; Cook, Elizabeth; Dehnen-Schmutz, Katharina; Dines, Trevor; Dobson, Michael; Edwards, Francois; Harrower, Colin; Harvey, Martin C.; Minchin, Dan; Noble, David G.; Parrott, Dave; Pocock, Michael J.O.; Preston, Chris D.; Roy, Sugoto; Salisbury, Andrew; Schonrogge, Karsten; Sewell, Jack ; Shaw, Richard H.; Stebbing, Paul; Stewart, Alan J.A.; Walker, Kevin J.. 2014 Horizon scanning for invasive alien species with the potential to threaten biodiversity in Great Britain. Global Change Biology, 20 (12). 3859-3871. 10.1111/gcb.12603

Comont, Richard F.; Purse, Bethan V.; Phillips, William; Kunin, William E.; Hanson, Matthew; Lewis, Owen T.; Harrington, Richard; Shortall, Christopher R.; Rondoni, Gabriele; Roy, Helen E.. 2014 Escape from parasitism by the invasive alien ladybird, Harmonia axyridis. Insect Conservation and Diversity, 7 (4). 334-342. 10.1111/icad.12060

Panigaj, Ľubomír ; Zach, Peter; Honek, Alois; Nedved, Oldrich; Kulfan, Jan; Martinkova, Zdenka; Selyemova, Diana; Viglasova, Sandra; Roy, Helen E.. 2014 The invasion history, distribution and colour pattern forms of the harlequin ladybird beetle Harmonia axyridis (Pall.) (Coleoptera, Coccinellidae) in Slovakia, Central Europe. ZooKeys, 412. 89-102. 10.3897/zookeys.412.6587

Brown, Peter; Roy, Helen. 2014 Wildlife reports: ladybirds. British Wildlife, 25 (4). 286-288.

Caffrey, Joe M.; Baars, Jan-Robert; Barbour, Jenny H.; Boets, Pieter; Boon, Philip; Davenport, Keith; Dick, Jaimie T.A.; Early, John; Edsman, Lennart; Gallagher, Cathal; Gross, Jackson; Heinimaa, Petri; Horrill, Chris; Hudin, Stéphanie; Hulme, Philip E.; Hynes, Stephen; MacIsaac, Hugh J.; McLoone, Paul; Millane, Michael; Moen, Toril L.; Moore, Niall; Newman, Jonathan; O’Conchuir, Ruairi; O’Farrell, Martin; O’Flynn, Colette; Oidtmann, Birgit; Renals, Trevor; Ricciardi, Anthony; Roy, Helen; Shaw, Richard; Weyl, Olaf; Williams, Frances; Lucy, Frances E.. 2014 Tackling invasive alien species in Europe: the top 20 issues. Management of Biological Invasions, 5 (1). 1-20. 10.3391/mbi.2014.5.1.01

Jeffries, Daniel L.; Chapman, Jason; Roy, Helen E.; Humphries, Stuart; Harrington, Richard; Brown, Peter M.J.; Lawson Handley, Lori-J.. 2013 Characteristics and drivers of high-altitude ladybird flight: insights from vertical-looking entomological radar. PLoS ONE, 8 (12), e82278. 12, pp. 10.1371/journal.pone.0082278

Marris, Gay; Roy, Helen. 2013 Cases of mistaken identity: The Asian Hornet. Bee Craft, 95 (6). 30-32.

Sandvik, Hanno; Saether, Bernt-Erik; Holmern, Tomas; Tufto, Jarle; Engen, Steinar; Roy, Helen E.. 2013 Generic ecological impact assessments of alien species in Norway: a semi-quantitative set of criteria. Biodiversity and Conservation, 22 (1). 37-62. 10.1007/s10531-012-0394-z

Katsanevakis, Stelios; Genovesi, Piero; Gaiji, Samy; Hvid, Helene Nyegaard; Roy, Helen; Nunes, Ana Luísa; Aguado, Francisco Sánchez; Bogucarskis, Konstantins; Debusscher, Bos; Deriu, Ivan; Harrower, Colin; Josefsson, Melanie; Lucy, Frances E.; Marchini, Agnese; Richards, Gareth; Trichkova, Teodora; Vanderhoeven, Sonia; Zenetos, Argyro; Cardoso, Ana Cristina. 2013 Implementing the European policies for alien species: networking, science, and partnership in a complex environment. Management of Biological Invasions, 4 (1). 3-6. 10.3391/mbi.2013.4.1.02

Brown, Peter; Roy, Helen; Comont, Richard. 2013 Wildlife reports: ladybirds. British Wildlife, 24 (3). 208-209.

Roy, Helen; Pocock, Michael. 2013 The value of citizen science. People & Science, March 2013. 20.

Purse, Bethan V.; Gregory, Steve J.; Harding, Paul; Roy, Helen E.. 2012 Habitat use governs distribution patterns of saprophagous (litter-transforming) macroarthropods – a case study of British woodlice (Isopoda: Oniscidea). European Journal of Entomology, 109 (4). 543-552.

Roy, Helen E.; Adriaens, Tim; Isaac, Nick J.B.; Kenis, Marc; Onkelinx, Thierry; San Martin, Gilles; Brown, Peter M.J.; Hautier, Louis; Poland, Remy; Roy, David B.; Comont, Richard; Eschen, Rene; Frost, Robert; Zindel, Renate; Van Vlaenderen, Johan; Nedved, Oldrich; Ravn, Hans Peter; Gregoire, Jean-Claude; de Biseau, Jean-Christophe; Maes, Dirk. 2012 Invasive alien predator causes rapid declines of native European ladybirds. Diversity and Distributions, 18 (7). 717-725. 10.1111/j.1472-4642.2012.00883.x

Gardiner, Mary M.; Allee, Leslie L.; Brown, Peter M.J.; Losey, John E.; Roy, Helen E.; Smyth, Rebecca Rice. 2012 Lessons from lady beetles: accuracy of monitoring data from US and UK citizen-science programs. Frontiers in Ecology and the Environment, 10 (9). 471-476. 10.1890/110185

Roy, Helen; Brown, Peter; Comont, Richard; Lawson Handley, Lori-Jayne; Poland, Remy. 2012 UK Ladybird Survey: engaging people in recording ladybirds. Antenna, 36 (3). 186-193.

Comont, Richard F.; Roy, Helen E.; Lewis, Owen T.; Harrington, Richard; Shortall, Christopher R.; Purse, Bethan V.. 2012 Using biological traits to explain ladybird distribution patterns. Journal of Biogeography, 39 (10). 1772-1781. 10.1111/j.1365-2699.2012.02734.x

Preston, Chris D.; Roy, David B.; Roy, Helen E.. 2012 What have we learnt from 50 years of biological recording? British Wildlife, 24 (2). 97-106.

Brown, Peter; Comont, Richard; Poland, Remy; Roy, Helen. 2012 Wildlife reports: ladybirds. British Wildlife, 23 (3). 208-210.

Roy, Helen. 2011 Recording invasive species counts (RISC)- one year since launch. In Practice, 72. 16-17.

Roy, Helen E.; De Clercq, Patrick; Lawson Handley, Lori-Jayne; Poland, Remy L.; Sloggett, John J.; Wajnberg, Eric. 2011 Alien arthropod predators and parasitoids: an ecological approach. BioControl, 56 (4). 375-382. 10.1007/s10526-011-9388-0

Ormond, Emma L.; Thomas, Alison P.M.; Pell, Judith K.; Freeman, Stephen N.; Roy, Helen E.. 2011 Avoidance of a generalist entomopathogenic fungus by the ladybird, Coccinella septempunctata. FEMS Microbiology Ecology, 77 (2). 229-237. 10.1111/j.1574-6941.2011.01100.x

Roy, H.E.; Lawson Handley, L.-J.; Schonrogge, K.; Poland, R.L.; Purse, B.V.. 2011 Can the enemy release hypothesis explain the success of invasive alien predators and parasitoids? BioControl, 56 (4). 451-468. 10.1007/s10526-011-9349-7

Roy, H.E.; Lawson-Handley, L.-J.; Schonrogge, K.; Poland, R.L.; Purse, B.V.. 2011 Can the enemy release hypothesis explain the success of invasive alien predators and parasitoids? BioControl, 56 (4). 451-468. 10.1007/s10526-011-9349-7

Brown, Peter M.J.; Frost, Robert; Doberski, Julian; Sparks, Tim; Harrington, Richard; Roy, Helen E.. 2011 Decline in native ladybirds in response to the arrival of Harmonia axyridis: early evidence from England. Ecological Entomology, 36 (2). 231-240. 10.1111/j.1365-2311.2011.01264.x

Lawson Handley, L.-J.; Estoup, A.; Evans, D.M.; Thomas, C.E.; Lombaert, E.; Facon, B.; Aebi, A.; Roy, H.E.. 2011 Ecological genetics of invasive alien species. BioControl, 56 (4). 409-428. 10.1007/s10526-011-9386-2

Roy, H.E.; Roy, D.B.; Roques, A.. 2011 Inventory of terrestrial alien arthropod predators and parasites established in Europe. BioControl, 56 (4). 477-504. 10.1007/s10526-011-9355-9

Poland, Remy; Roy, Helen. 2011 Ladybird, Ladybird fly away home. Biological Sciences Review, 23 (3). 10-15.

Roy, Helen E.; Rhule, Emma; Harding, Susanne; Lawson Handley, Lori-Jayne; Poland, Remy L.; Riddick, Eric W.; Steenberg, Tove. 2011 Living with the enemy: parasites and pathogens of the ladybird Harmonia axyridis. BioControl, 56 (4). 663-679. 10.1007/s10526-011-9387-1

Wells, P.M.; Baverstock, J.; Majerus, M.E.N.; Jiggins, F.M.; Roy, H.E.; Pell, J.K.. 2011 The effect of the coccinellid Harmonia axyridis (Coleoptera: Coccinellidae) on transmission of the fungal pathogen Pandora neoaphidis (Entomophthorales: Entomophthoraceae). European Journal of Entomology, 108. 87-90.

Comont, Richard; Roy, Helen. 2011 The spread of the harlequin ladybird in Britain. Outlooks on Pest Management, 22 (4). 152-155. 10.1564/22aug02

Roy, Helen. 2010 Encounters with aliens Invasive species - they're here! Catalyst, 20 (3). 20-22.

Hesketh, H.; Roy, H.E.; Eilenberg, J.; Pell, J.K.; Hails, R.S.. 2010 Challenges in modelling complexity of fungal entomopathogens in semi-natural populations of insects. Biocontrol, 55 (1). 55-73. 10.1007/s10526-009-9249-2

Roy, Helen E.; Brodie, Eoin L.; Chandler, Dave; Goettel, Mark S.; Pell, Judith K.; Wajnberg, Eric; Vega, Fernando E.. 2010 Deep space and hidden depths: understanding the evolution and ecology of fungal entomopathogens. BioControl, 55. 1-6. 10.1007/s10526-009-9244-7

Baverstock, Jason; Roy, Helen E.; Pell, Judith K.. 2010 Entomopathogenic fungi and insect behaviour: unsuspecting hosts to targeted vectors. BioControl, 55. 89-102. 10.1007/s10526-009-9238-5

Roy, Helen; Migeon, Alain. 2010 Ladybeetles (Coccinellidae) Chapter 8.4. BioRisk, 4 (1). 293-313. 10.3897/biorisk.4.49

Roy, Helen E.; Hesketh, Helen; McCracken, Morag; Comont, Richard; Rondoni, Gabriele; Poland, Remy; Stentiford, Grant; Hails, Rosemary S.. 2010 Living with the enemy: insects and their pathogens. British Wildlife, 22. 94-100.

Ormond, Emma L.; Thomas, Alison P.M.; Pugh, Philip J.A.; Pell, Judith K.; Roy, Helen E.. 2010 A fungal pathogen in time and space: the population dynamics of Beauveria bassiana in a conifer forest. FEMS Microbiology Ecology, 74. 146-154. DOI:10.1111/j.1574-6941.2010.00939.x

Shaw, Mark R.; Comont, Richard; McCracken, Morag; Hesketh, Helen; Roy, Helen; Hails, Rosie S.. 2010 The third modern British record of Brachymeria tibialis (Hymenoptera: Chalcididae), reared from Zygaena filipendulae (Lepidoptera: Zygaenidae). British Journal of Entomology and Natural History, 23. 170.

Roy, Helen; Brown, Peter; Ware, Remy. 2009 Encounters with an alien: a European perspective. Biocontrol News and Information, 30 (4). 74-76.

Vega, Fernando E.; Goettel, Mark S.; Blackwell, Meredith; Chandler, David; Jackson, Mark A.; Keller, Siegrried; Koike, Masanori; Maniania, Nguya K.; Monzon, Arnulfo; Ownley, Bonnie H.; Pell, Judith K.; Rangel, Drauzio E.N.; Roy, Helen. 2009 Fungal entomopathogens: new insights on their ecology. Fungal Ecology, 2 (4). 149-159. 10.1016/j.funeco.2009.05.001

Roy, Helen E.; Hails, Rosemary S.; Hesketh, Helen; Roy, David B.; Pell, Judith K.. 2009 Beyond biological control: non-pest insects and their pathogens in a changing world. Insect Conservation and Diversity, 2 (2). 65-72. 10.1111/j.1752-4598.2009.00046.x

Comont, Richard; McCracken, Morag; Hesketh, Helen; Hails, Rosemary; Roy, Helen. 2009 Bivoltine Blues: A second generation in the British Chalkhill Blue Polyommatus coridon (Lepidoptera: Lycaenidae). British Journal of Entomology and Natural History, 22, 1669.1. 2, pp.

Roy, Helen; Hesketh, Helen; McCracken, Morag; Pywell, Richard; Hails, Rosemary. 2009 Living on the edge: interactions between Lepidoptera and parasites in fragmented habitats. Atropos, 37. 19-26.

Majerus, Mike; Brown, Peter; Roy, Helen; Ware, Remy. 2009 UK Ladybird Survey Report. British Wildlife (20). 210-212.

Ribbands, Brian; Brown, Peter M. J.; Roy, Helen E.; Majerus, Michael E. N.. 2009 The most northerly record of the harlequin ladybird in the British isles. Entomologist’s Monthly Magazine, 145. 43-44.

Pell, Judith K.; Baverstock, Jason; Roy, Helen E.; Ware, Remy L.; Majerus, Michael E. N.. 2008 Intraguild predation involving Harmonia axyridis: a review of current knowledge and future perspectives. BioControl, 53 (1). 147-168. 10.1007/s10526-007-9125-x

Roy, Helen; Brown, Peter; Ware, Remy; Michie, Laura J.; Beckmann, Bjorn; Majerus, Michael. 2008 The harlequin ladybird marches on. British Wildlife, 19 (3). 182-186.

Kenis, Marc; Roy, Helen E.; Zindel, Renate; Majerus, Michael E. N.. 2008 Current and potential management strategies against Harmonia axyridis. BioControl, 53 (1). 235-252. 10.1007/s10526-007-9136-7

Roy, Helen; Wajnberg, Eric. 2008 From biological control to invasion: the ladybird Harmonia axyridis as a model species. BioControl, 53 (1). 1-4. 10.1007/s10526-007-9127-8

Brown, P. M. J.; Adriaens, T.; Bathon, H.; Cuppen, J.; Goldarazena, A.; Hägg, T.; Kenis, M.; Klausnitzer, B. E. M.; Kovar, I.; Loomans, A. J. M.; Majerus, M. E. N.; Nedved, O.; Pedersen, J.; Rabitsch, W.; Roy, H. E.; Ternois, V.; Zakharov, I.A.; Roy, D. B.. 2008 Harmonia axyridis in Europe: spread and distribution of a non-native coccinellid. BioControl, 53 (1). 5-21. 10.1007/s10526-007-9132-y

Brown, Peter Michael James; Roy, Helen E.; Rothery, Peter; Roy, David B.; Ware, Remy L.; Majerus, Michael E. N.. 2008 Harmonia axyridis in Great Britain: analysis of the spread and distribution of a non-native coccinellid. BioControl, 53 (1). 55-67. 10.1007/s10526-007-9124-y

Roy, Helen Elizabeth; Brown, Peter M. J.; Rothery, Peter; Ware, Remy L.; Majerus, Michael E. N.. 2008 Interactions between the fungal pathogen Beauveria bassiana and three species of ladybird: Harmonia axyridis, Coccinella septempunctata and Adalia bipunctata. BioControl, 53 (1). 265-276. 10.1007/s10526-007-9122-0

Roy, H. E.; Baverstock, J.; Ware, R. L.; Clark, S. J.; Majerus, M. E. N.; Baverstock, K. E.; Pell, J. K.. 2008 Intraguild predation of the aphid pathogenic fungus Pandora neoaphidis by the invasive coccinellid Harmonia axyridis. Ecological Entomology, 33 (2). 175-182. 10.1111/j.1365-2311.2007.00954.x

Roy, H.E.; Rudge, H.; Goldrick, L.; Hawkins, D.. 2007 Eat or be eaten: prevalence and impact of egg cannibalism on two-spot ladybirds, Adalia bipunctata. Entomologia Experimentalis et Applicata, 125. 33-38. 10.1111/j.1570-7458.2007.00592.x

Brown, Peter; Roy, Helen. 2007 The spread of the Harlequin Ladybird Harmonia axyridis (Pallas) in late 2006. Atropos, 31. 32-33.

Brown, Peter; Roy, Helen; Ware, Remy; Majerus, Michael. 2006 Distribution and identification of the harlequin ladybird Harmonia axyridis. Atropos, 28. 63-69.

Brown, P. M. J.; Roy, H. E.; Majerus, M. E. N.. 2006 Ladybird recording in Cambridgeshire and Huntingdonshire. Nature in Cambridgeshire, 48. 12-16.

Majerus, M.E.N.; Roy, H.E.. 2005 Scientific opportunities presented by the arrival of the harlequin ladybird, Harmonia axyridis, in Britain. Antenna, 29 (3). 196-208.

Publication - Book

Sloggett, John J.; Brown, Peter M.J.; Roy, Helen E., eds. 2013 IOBC-WPRS Working Group “Benefits and Risks of Exotic Biological Control Agents”: proceedings of the second meeting at Hluboká, Czech Republic, 30th October - 3rd November 2011. Darmstadt, International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC-WPRS), 139pp. (IOBC-WPRS Bulletin, v. 94).

Roy, Helen E.; Brown, Peter M.J.; Comont, Richard F.; Poland, Remy L.; Sloggett, John J.. 2013 Ladybirds. Exeter, Pelagic Publishing, 142pp. (Naturalists' Handbooks, 10).

Tweddle, J.C.; Robinson, L.D.; Pocock, M.J.O.; Roy, H.E.. 2012 Guide to citizen science: developing, implementing and evaluating citizen science to study biodiversity and the environment in the UK. Wallingford, NERC/Centre for Ecology & Hydrology, 29pp.

Roy, Helen; De Clercq, Patrick; Handley Lawson, Lori-Jayne; Sloggett, John J.; Poland, Remy L.; Wajnberg, Eric, eds. 2012 Invasive alien arthropod predators and parasitoids: an ecological approach. Springer. (Progress in Biological Control, 13).

Roy, Helen E.; Brown, Peter M.J.; Frost, Robert; Poland, Remy L.. 2011 Ladybirds (Coccinellidae) of Britain and Ireland. Shrewsbury, Field Studies Council, 198pp.

Working group "Benefits and Risks of Exotic Biological Control Agents". 2010 Proceedings of the first meeting on “Harmonia axyridis and other ladybirds”. IOBC, 209pp. (IOBC/WPRS Bulletin, v. 58).

Roy, Helen E.; Vega, Fernando E.; Chandler, Dave; Goettel, Mark S.; Pell, Judith K.; Wajnberg, E., eds. 2010 The ecology of fungal entomopathogens. Heidelberg, Springer.

Edwards, Robin; Roy, Helen, eds. 2009 Provisional atlas of the aculeate Hymenoptera of Britain and Ireland. Part 7. Shrewsbury, FSC Publications, 145pp.

Roy, Helen; Wajnberg, Eric. 2008 From Biological Control to Invasion: the ladybird Harmonia axyridis as a model species. Springer, 287pp. (BioControl, 53 Number 1).

Publication - Book Section

Roy, Helen E.; De Clercq, Patrick; Lawson Handley, Lori-Jayne; Poland, Remy L.; Sloggett, John J.; Wajnberg, Eric. 2013 Alien arthropod predators and parasitoids: an ecological approach. In: Sloggett, John J.; Brown, Peter M.J.; Roy, Helen E., (eds.) IOBC-WPRS Working Group “Benefits and Risks of Exotic Biological Control Agents”: proceedings of the second meeting at Hluboká, Czech Republic, 30th October - 3rd November 2011. Darmstadt, International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC-WPRS), 45-47. (IOBC-WPRS Bulletin, v. 94).

Comont, Richard F.; Roy, Helen E.; Lewis, Owen T.; Harrington, Richard; Shortall, Chris; Purse, Bethan V.. 2013 Does niche overlap with Harmonia axyridis correlate with population declines in the British ladybird fauna? In: Sloggett, John J.; Brown, Peter M.J.; Roy, Helen E., (eds.) IOBC-WPRS Working Group “Benefits and Risks of Exotic Biological Control Agents”: proceedings of the second meeting at Hluboká, Czech Republic, 30th October - 3rd November 2011. Darmstadt, International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC-WPRS), 9-14. (IOBC-WPRS Bulletin, v. 94).

Roy, Helen E.. 2013 The GB Non-Native Species Information Portal and EU biodiversity strategy. In: Sloggett, John J.; Brown, Peter M.J.; Roy, Helen E., (eds.) IOBC-WPRS Working Group “Benefits and Risks of Exotic Biological Control Agents”: proceedings of the second meeting at Hluboká, Czech Republic, 30th October - 3rd November 2011. Darmstadt, International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC-WPRS), 1-4. (IOBC-WPRS Bulletin, v. 94).

Roy, Helen E.; Adriaens, Tim; Isaac, Nick J.B.; Kenis, Marc; Onkelinx, Thierry; San Martin, Gilles; Brown, Peter M.J.; Hautier, Louis; Poland, Remy; Roy, David B.; Comont, Richard; Eschen, René; Frost, Robert; Zindel, Renate; Van Vlaenderen, Johan; Nedvěd, Oldřich; Ravn, Hans Peter; Grégoire, Jean-Claude; de Biseau, Jean-Christophe; Maes, Dirk. 2013 Harmonia axyridis implicated in native European ladybird declines. In: Sloggett, John J.; Brown, Peter M.J.; Roy, Helen E., (eds.) IOBC-WPRS Working Group “Benefits and Risks of Exotic Biological Control Agents”: proceedings of the second meeting at Hluboká, Czech Republic, 30th October - 3rd November 2011. Darmstadt, International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC-WPRS), 23-25. (IOBC-WPRS Bulletin, v. 94).

Roy, Helen E.; Comont, Richard F.; Rhule, Emma L.; Harding, Susanne; Lawson Handley, Lori-Jayne; Poland, Remy L.; Riddick, Eric W.; Steenberg, Tove. 2013 Parasites and pathogens of the invasive alien Harmonia axyridis. In: Sloggett, John J.; Brown, Peter M.J.; Roy, Helen E., (eds.) IOBC-WPRS Working Group “Benefits and Risks of Exotic Biological Control Agents”: proceedings of the second meeting at Hluboká, Czech Republic, 30th October - 3rd November 2011. Darmstadt, International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC-WPRS), 49-50. (IOBC-WPRS Bulletin, v. 94).

Ceryngier, Piotr; Roy, Helen E.; Poland, Remy L.. 2012 Natural enemies of ladybird beetles. In: Hodek, I.; van Emden, H.F.; Honek, A., (eds.) Ecology and behaviour of the ladybird beetles (Coccinellidae). Chichester, Wiley-Blackwell, 375-443.

Hesketh, H.; Roy, H.E.; Eilenberg, J.; Pell, J.K.; Hails, R.S.. 2010 Challenges in modelling complexity of fungal entomopathogens in semi-natural populations of insects. In: Roy, Helen E.; Vega, Fernando E.; Chandler, Dave; Goettel, Mark S.; Pell, Judith K.; Wajnberg, Eric, (eds.) The Ecology of Fungal Entomopathogens. Heidelberg, Springer, 55-74.

Roy, Helen E.; Majerus, Michael E.N.. 2010 Coccinellids in a changing world. In: Kindlmann, Pavel; Dixon, A.F.G.; Michaud, J.P., (eds.) Aphid biodiversity under environmental change. Patterns and processes. Springer, 149-170.

Roy, Helen. 2010 Development of the GB Non-Native Species Information Portal. In: What makes an alien invasive? Risk and policy responses. Association of Applied Biologists, 21-28. (Aspects of Applied Biology, 104).

Roy, Helen E.; Brown, Peter M.J.. 2010 Encounters with an alien: Harmonia axyridis in Europe. In: Babendreier, Dirk; Aebi, Alexandre; Kenis, Marc; Roy, Helen, (eds.) Benefits and Risks of Exotic Biological Control Agents. IOBC/WPRS, 83-86. (IOBC/WPRS Bulletin, v. 58).

Roy, H.E.; Brodie, E.L.; Chandler, D.; Goettel, M.S.; Pell, J.K.; Wajnberg, E.; Vega, F.E.. 2010 Entomopathogenic fungi and insect behaviour: unsuspecting hosts to targeted vectors. In: Roy, Helen E.; Vega, Fernando E.; Chandler, Dave; Goettel, Mark S.; Pell, Judith K.; Wajnberg, E., (eds.) The ecology of fungal entomopathogens. Dordrecht, Springer, 1-6.

Baverstock, J.; Roy, H.E.; Pell, J.K.. 2010 Entomopathogenic fungi and insect behaviour: unsuspecting hosts to targeted vectors. In: Roy, Helen E.; Vega, Fernando E.; Chandler, Dave; Goettel, Mark S.; Pell, Judith K.; Wajnberg, E., (eds.) The ecology of fungal entomopathogens. Dordrecht, Springer, 89-102.

Wells, Patricia M.; Baverstock, Jason; Majerus, Michael E.N.; Jiggins, Frank M.; Roy, Helen. 2010 Intraguild predation of non-coccinellid aphid natural enemies by Harmonia axyridis: prey range and factors influencing intraguild predation. In: Babendreier, Dirk; Aebi, Alexandre; Kenis, Marc; Roy, Helen, (eds.) Proceedings of the first meeting on “Harmonia axyridis and other ladybirds”. International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC/WPRS), 185-192. (IOBC/WPRS Bulletin, v. 58).

Roy, David B.. 2010 Invasive alien species in Europe: a review of the patterns, trends and impacts. In: Babendreier, Dirk; Aebi, Alexandre; Kenis, Marc; Roy, Helen, (eds.) Proceedings of the first meeting on “Harmonia axyridis and other ladybirds”. International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC/WPRS), 91-95. (IOBC/WPRS Bulletin, v. 58).

Brown, Peter M.J.; Ware, Remy L.; Roy, Helen E.. 2010 Looking beyond the spots: inspiring the public to record ladybirds. In: Babendreier, Dirk; Aebi, Alexandre; Kenis, Marc; Roy, Helen, (eds.) Proceedings of the first meeting on “Harmonia axyridis and other ladybirds”. International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC/WPRS), 19-22. (IOBC/WPRS Bulletin, v. 58).

Comont, Richard F.; Harrington, Richard; Lewis, Owen T.; Purse, Bethan V.; Roy, Helen E.. 2010 Modeling Harmonia axyridis (Coleoptera, Coccinellidae) interactions within the aphidophagous guild. In: Babendreier, Dirk; Aebi, Alexandre; Kenis, Marc; Roy, Helen, (eds.) Proceedings of the first meeting on “Harmonia axyridis and other ladybirds”. International Organization for Biological and Integrated Control of Noxious Animals and Plants, West Palearctic Regional Section (IOBC/WPRS), 27-28. (IOBC/WPRS Bulletin, v. 58).

Roy, Helen E. 2010 Sex wars and alien invaders. In: Babendreier, Dirk; Aebi, Alexandre; Kenis, Marc; Roy, Helen, (eds.) Benefits and risks of exotic biological control agents. IOBC, 87-90. (IOBC/WPRS Bulletin, v. 58).

Roy, Helen; Baverstock, Jason; Pell, Judith. 2007 Manipulating fungal induced host-altered behaviour: a strategy for pest control? In: Ekesi, S; Maniania, NK, (eds.) Use of Entomopathogenic Fungi in Biological Pest Management. India, Research Signpost, 179-195.

Roy, H. R.; Brown, P. M. J.; Majerus, M. E. N.. 2006 Harmonia axyridis. In: Crop protection compendium, 2006 edition. Wallingford, CAB International.

Publication - Conference Item

Meyling, Nicolai; Hesketh, Helen; Roy, Helen. 2012 Avoidance of insect pathogenic fungi by predatory insects. In: 45th Annual Meeting of the Society for Invertebrate Pathology, Buenos Aires, Argentina, 5-9 Aug 2012. (Unpublished)

Roy, Helen E.; Kessel, Clare; Comont, Richard; Purse, Beth. 2012 Coat of many colours: colour pattern polymorphism and invasion by the harlequin ladybird Harmonia axyridis. In: British Ecological Society Annual Meeting 2012, Birmingham, 17-20 Dec 2012. (Unpublished)

Roy, Helen. 2012 Every record counts: engaging people in recording alien species. In: Third European Congress of Conservation Biology, Glasgow, 28 Aug – 1 Sept 2012. . (Unpublished)

Roy, H.E.; Adriaens, T.; Isaac, N.J.B.; Kenis, M.; Onkelinx, T.; San Martin , G.; Brown, P.M.J.; Hautier, L.; Poland , R.; Roy, D.B.; Comont, R.; Eschen, R.; Frost, R.; Zindel, R.; Van Vlaenderen, J.; Nedvěd, O.; Ravn, H.P.; Grégoire , J.-C. ; de Biseau, J.-C.; Maes, D.. 2012 Harmonia axyridis implicated in native European ladybird declines. In: Neobiota 2012, 7th European Conference on Biological Invasions, Pontevedra, Spain, 12-14 Sept 2012. (Unpublished)

Comont, Richard; Roy, Helen; Lewis, Owen T.; Harrington, Richard; Shortall, Christopher; Purse, Bethan. 2012 Ladybirds in a changing world. In: ENTO'12, Royal Entomological Society Conference, Cambridge, 18-20 July 2012 . (Unpublished)

Comont, Richard F.; Roy, Helen E.; Lewis, Owen T.; Harrington, Richard; Shortall, Chris R.; Purse, Beth V.. 2012 Ladybirds in a changing world: ecological correlates of distribution trends in the British Coccinellidae. In: British Ecological Society Annual Meeting 2012, Birmingham, 17-20 Dec 2012. (Unpublished)

Roy, Helen. 2012 Non-native species in Great Britain and beyond. [Lecture] In: ENTO'12, Royal Entomological Society Conference, Cambridge, 18-20 July 2012. (Unpublished)

Roy, Helen E.; Cornwell, Lucy; Edwards, Mike; Cowan, Caroline; Edwards, Sue; Heard, Matt; Moreton, James; Shackleton, Annabel; Pocock, Michael. 2012 Open Farm Sunday pollinator survey: engaging people in recording insects on farms. In: British Ecological Society Annual Meeting 2012, Birmingham, UK, 17-20 Dec 2012. (Unpublished)

Pergl, J.; Nentwig, W.; Winter, M.; Bacher, S.; Essl, F.; Genovesi, P.; Hulme, P.E.; Jarošik, V.; Kühn, I.; Pyšek, P.; Roques, A.; Roy, D.; Vilá, M.; Roy, H.. 2012 Progress on DAISIE: alien species inventories in Europe updated. In: Neobiota 2012, 7th European Conference on Biological Invasions, Pontevedra, Spain, 12-14 Sept 2012. (Unpublished)

Roy, Helen E.; Bantock, Tristan; Botham, Marc; Preston, Chris D.; Roy, David B.; Stewart, Alan. 2012 Responses of phytophagous insects to a changing flora. [Keynote] In: A Great Leap Forward – Biological Recording since the 1962 Atlas of the British Flora , Edinburgh, 20-21 Sept 2012 . (Unpublished)

Roy, Helen. 2012 Wonderful life: the legacy of an inspirational evolutionary biologist. In: ENTO'12, Royal Entomological Society Conference, Cambridge, 18-20 July 2012. (Unpublished)

Roy, Helen E.; Adrians, Tim; Isaac, Nick J.B.; Kenis, Marc; Onkelinx, Thierry; Martin, Gilles San; Brown, Peter M.J.; Hautier, Louis; Poland, Remy; Roy, David B.; Comont, Richard; Eschen, Rene; Frost, Robert; Zindel, Renate; Van Vlaenderen, Johan; Nedved, Oldrich; Ravn, Hans Peter; Gregoire, Jean-Claude; de Biseau, Jean-Christophe; Maes, Dirk. 2011 Harmonia axyridis implicated in native European ladybird declines. In: 2nd Meeting of the IOBC/WPRS Working Group "Benefits and Risks of Exotic Biological Control Agents", Hluboka, Czech Republic., 30 October - 3 November 2011. (Unpublished)

Roy, Helen; Comont, Richard; Rhule, Emma; Harding, Susanne; Lawson-Handley, Lori; Poland, Remy; Riddick, Eric W.; Stenberg, Tove. 2011 Parasites and pathogens of the invasive alien Harmonia axyridis. [Lecture] In: 2nd Meeting of the IOBC/WPRS Working Group "Benefits and Risks of Exotic Biological Control Agents", Hluboka, Czech Republic, 30 October - 3 November 2011. (Unpublished)

Roy, Helen E.; De Clercq, Patrick; Lawson Handley, Lori; Poland, Remy; Sloggett, John J.; Wajnberg, Eric. 2011 Alien arthropod predators and parasitoids: an ecological approach. In: 2nd meeting of the IOBC/WPRS Working Group "Benefits and Risks of Exotic Biological Control Agents", Hluboka, Czech Republic, 30 October - 3 November 2011. (Unpublished)

Roy, Helen. 2011 Post-2010 EU Biodiversity Strategy and the GB Non-Native Species Information Portal. [Keynote] In: 2nd Meeting of the IOBC/WPRS Working Group "Benefits and Risks of Exotic Biological Control Agents", Hluboka, Czech Republic., 30th October to 3th November 2011. (Unpublished)

Roy, Helen. 2011 Alien versus predator: unravelling the interactions between natural enemies. [Lecture] In: Insect Conservation and Biological Pest Control – Ecological Issues of Small Population, Linnean Society, London, 27 October 2011. (Unpublished)

Hails, Rosemary; Hesketh, Helen; Roy, Helen. 2011 Biological control: a risky business? [Speech] In: Annual Lecture to the Thames Valley Branch of the Society of Biology, Reading University, 18 October 2011. (Unpublished)

Hails, Rosemary; Hesketh, Helen; Roy, Helen; Harold, Simon; Graham, R.; Sait, S.M.. 2011 Revealing interactions with natural enemies in wild insect populations. [Speech] In: Insect Conservation and Biological Pest Control – Ecological Issues of Small Populations. A joint meeting of the Linnean Society of London and the Entomological Club, The Linnean Society, 27 October 2011. (Unpublished)

Comont, Richard; Roy, Helen; Lewis, Owen; Harrington, Richard; Shortall, Chris; Purse, Bethan. 2011 Ladybirds in the UK: can biological traits explain distribution patterns? [Speech] In: British Ecological Society Annual Meeting and AGM, University of Sheffield, 12-14 September 2011. (Unpublished)

Roy, H. E.; Lawson Handley, L-J.; Schonrogge, K.; Poland, R.L.; Comont, R.; Philips, B.; Purse, B.V.. 2011 Can the enemy release hypothesis explain the success of invasive predators and parasitoids? [Keynote] In: British Ecological Society Annual Meeting and AGM, University of Sheffield, 12-14 September 2011. Programme and abstracts British Ecological Society Annual Meeting and AGM, 16. (Unpublished)

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)

Roy, H.E.. 2011 An inventory of alien species in Britain. [Lecture] In: British Ecological Society Annual Meeting and AGM, University of Sheffield, 12-14 September 2011. 13.

Comont, Richard; Roy, Helen; Lewis, Owen; Harrington, Richard; Shortall, Chris; Purse, Bethan. 2011 Ladybirds in the UK: can biological traits explain distribution patterns? [Speech] In: 2nd meeting of the IOBC/WPRS Working Group “Benefits and risks of exotic biological control agents”, Hluboká, Czech Republic, October 30 - November 3, 2011. (Unpublished)

Roy, H.E.; Freeman, S.N.; Ormond, E.L.; Thomas, A.P.M.; Pell, J.K.. 2010 Coccinella septempunctata avoids the generalist entomopathogenic fungus Beauveria bassiana. In: International Symposium on Ecology of Aphidophaga 11, Perugia, Italy, 19-24 September 2010.

Brown, P.M.J.; Ware, R.L.; Roy, D.B.; Roy, H.E.. 2010 The ecology of Harmonia axyridis in Great Britain. In: International Symposium on Ecology of Aphidophaga 11, Perugia, Italy, 19-24 September 2010.

Roy, Helen E.. 2010 Entomopathogenic fungi and invasional meltdown. [Lecture] In: Proceedings of the 43rd Annual Meeting of the Society for Invertebrate Pathology, Trabzon, Turkey, 11-15th July 2010.

Baron, Gemma; Stentiford, Grant; Green, Matthew; Hicks, Ruth; Roy, Helen; Hesketh, Helen; Rondoni, Gabriele; McCracken, Morag; Hails, Rosemary. 2010 A dyeing art: Histopathology for the assessment of health and disease in terrestrial insect populations. In: 43rd Annual Meeting of the Society for Invertebrate Pathology, Trabzon, Turkey, 11-15 July 2010. 43rd Annual Meeting of the Society for Invertebrate Pathology.

Roy, Helen. 2010 GB Non-native Species Information Portal. In: British Ecological Society Annual Meeting, Leeds University, 7-9 September 2010.

Comont, Richard; Roy, Helen; Lewis, Owen; Harrington, Richard; Shortall, Chris; Purse, Bethan. 2010 Ladybirds in the UK: can biological traits explain distribution patterns? [Speech] In: International Symposium Ecology of Aphidophaga 11, Perugia, Italy, 19-24th September 2010. (Unpublished)

Roy, Helen. 2009 Encounters with an alien: Harmonia axyridis in Europe. [Keynote] In: 1st Meeting of IOBC WPRS Study Group Benefits and Risks Associated with Exotic Biological Control Agents, Engelberg, Switzerland, 6-10th September 2009.

Wells, P.; Baverstock, J.; Roy, Helen; Jiggins, F.; Pell, J. K.. 2009 Intraguild predation of non-coccinellid aphid natural enemies by Harmonia axyridis: prey range and factors influencing intraguild predation. [Lecture] In: 1st meeting of the IOBC WPRS study group on Benefits and Risks Associated with Exotic Biological Control Agents, Engelberg, Switzerland, 6-10 September 2009.

Brown, P. M. J.; Ware, R. L.; Roy, Helen. 2009 Looking beyond the spots: inspiring the public to record ladybirds. [Lecture] In: 1st meeting of IOBC WPRS study group Benefits and Risks Associated with Exotic Biological Control Agents, Engelberg, Switzerland, 6-10 September 2009.

Comont, Richard; Harrington, Richard; Lewis, Owen T.; Purse, Bethan; Roy, Helen. 2009 Modeling Harmonia axyridis interactions within the aphidophagous guild. [Poster] In: 1st meeting of the IOBC/WPRS study group "Benefits & risks associated with exotic biological control agents": Harmonia axyridis and other invasive ladybirds, Engelberg, Switzerland, 6-10th September 2009.

Roy, Helen; Majerus, M. E. N.. 2009 Sex wars and alien invaders. [Lecture] In: Proceedings of the 1st meeting of IOBC WPRS study group Benefits and Risks of Exotic Biological Control Agents, Engelberg, Switzerland, 6-10 September 2009.

Brown, P. M. J.; Frost, R.; Sparks, T.; Doberski, J.; Roy, Helen. 2009 Temporal changes in ladybird species assemblages coinciding with the arrival of Harmonia axyridis in the UK. [Lecture] In: 1st meeting of the IOBC WPRS study group Benefits and Risks associated with Exotic Biological Control Agents, Switzerland, 6-10 September 2009.

Baverstock, J.; Pell, J. K.; Roy, Helen. 2009 Interactions involving entomopathogenic fungi and insects: an applied perspective. [Keynote] In: 42nd Annual Meeting of the Society for Invertebrate Pathology, Park City, Utah, 16-20 Aug 2009.

Roy, Helen; Pell, J. K.; Thomas, A. P. M.; Ormond, E. L.. 2009 Overlapping niches of Beauveria bassiana in a conifer forest. [Lecture] In: 42nd Annual Meeting of the Society for Invertebrate Pathology, Park City, Utah, 16-20 August 2009.

Roy, Helen; Baverstock, J; Eilenberg, J; Hails, Rosemary; Hesketh, Helen; McCracken, Morag; Meyling, N; Pell, JK. 2009 Ecology of fungal entomopathogens. In: 2nd Entomopathogens and Microbial Control Symposium, Mugla, Turkey, 24-27 September 2009.

Hesketh, H.; Roy, H. E.; McCracken, M.; Pywell, R. F.; Hails, R. S.. 2008 Living on the edge: interactions between Lepidoptera and parasites. [Speech] In: British Ecological Society Annual Meeting, Imperial College, London, UK, 3-5 September 2008. British Ecological Society, 41.

Ormond, E. L.; Thomas, A. P. M.; Pell, J. K.; Roy, H. E.. 2007 Detection and avoidance of Beauveria bassiana by seven spot ladybirds, Coccinella septempunctata. In: 40th Annual Meeting of the Society for Invertebrate Pathology, Quebec City, Canada, 12-15 Aug 2007. 32.

Roy, Helen E.; Brown, Peter; Ware, Remy; Majerus, Michael E. N.. 2007 Exposure to Beauveria bassiana reduces the fecundity of Harmonia axyridis. In: 40th Annual Meeting of the Society for Invertebrate Pathology, Quebec City, Canada, 12-15 Aug 2007. 33.

Roy, H.E.; Brown, P.M.; Ware, R.L.; Pell, J.K.; Baverstock, J.; Majerus, M.E.N.. 2007 Interactions between Harmonia axyridis and two insect pathogenic fungi. In: Ecology of Aphidophaga 10, Agricultural University of Athens, 5-10 September 2007. Ecology of Aphidophaga, O39.

Ormond, E. L.; Thomas, A. P. M.; Pell, J. K.; Roy, H. E.. 2007 Molecular characterisation of Beauveria bassiana isolates obtained from semi-field arenas of overwintering Coccinella septempunctata. In: 40th Annual Meeting of the Society for Invertebrate Pathology, Quebec City, Canada, 12-15 Aug 2007. 33.

Baverstock, J.; Roy, H. E.; Brown, P. M.; Ware, R. L.; Majerus, M. E. N.; Pell, J. K.. 2007 The invasive coccinellid Harmonia axyridis as an intra-guild predator of the aphid-specific fungus Pandora neoaphidis. In: 40th Annual Meeting of the Society for Invertebrate Pathology, Quebec City, Canada, 12-15 Aug 2007. 33.

Roy, H. E.; Brown, P. M. J.; Ware, R. L.; Majerus, M. E. N.. 2006 Potential impacts of Harmonia axyridis on functional biodiversity. In: Proceedings of the European meeting IIOBC/WPR, Zurich, 16-19 May 2006.

Publication - Report

Reis, Stefan; Cowie, Hilary; Riddell, Kerry; Semple, Sean; Steinle, Susanne; Apsley, Andrew; Roy, Helen. 2013 Urban air quality citizen science. Phase 1: review of methods and projects. Stirling, Scottish Environment Protection Agency, 34pp. (CEH Project no. C04971)

Roy, H.E.; Pocock, M.J.O.; Preston, C.D.; Roy, D.B.; Savage, J.; Tweddle, J.C.; Robinson, L.D.. 2012 Understanding citizen science and environmental monitoring: final report on behalf of UK Environmental Observation Framework. Wallingford, NERC/Centre for Ecology & Hydrology, 173pp. (UNSPECIFIED)

Hill, M .O.; Bacon, J.V.; Beckmann, B.C.; Bishop, J.D.D.; Marchant, J.H.; Musgrove, A.J.; Rathod, B.; Roy, H.E.; Sewell, J.. 2010 GB Non-native Species Information Portal: Interim report for the period February 2009 to March 2010. Defra, 16pp. (CEH Project Number: C03636) (Unpublished)

Parrott, Dave; Roy, Sugoto; Baker, Richard; Cannon, Ray; Eyre, Dominic; Hill, Mark; Wagner, Markus; Preston, Chris; Roy, Helen; Beckmann, Bjorn; Copp, Gordon H.; Edmonds, Nathan; Ellis, Jim; Laing, Ian; Britton, J. Robert; Gozlan, Rodolphe E.; Mumford, John. 2009 Horizon scanning for new invasive non-native animal species in England. Sheffield, Natural England, 111pp. (Natural England Contract No. SAE03-02-189, Natural England Commissioned Report NECR009)

Hill, M.O.; Beckmann, B.C.; Bishop, J.D.D.; Fletcher, M.R.; Lear, D.B.; Marchant, J.H.; Maskell, L.C.; Noble, D.G.; Rehfisch, M.M.; Roy, H.E.; Roy, S.; Sewell, J.. 2009 Developing an indicator of the abundance, extent and impact of invasive non-native species. Final report. Defra, 49pp. (WC0718)

Roy, Helen; Beckmann, Björn; Comont, Richard; Hails, Rosemary; Harrington, Richard; Medlock, Jolyon; Purse, Bethan; Shortall, Chris. 2009 Nuisance insects and climate change. Defra, 109pp. (UNSPECIFIED)

Award / Appointment / Recognition

Roy, Helen. 2013 Zoological Society of London Silver Medal. [Award / Appointment / Recognition]

Roy, Helen. 2013 The Zoological Society of London’s Silver Medal. [Award / Appointment / Recognition]

Roy, Helen; Pocock, Michael; Lowther, Heather. 2012 BBC Gardeners World Live Show - Highly Commended. [Award / Appointment / Recognition]

Dissemination / Communication

Roy, Helen; Roy, David. 2013 Mobile phone app to help monitor UK’s native ladybirds after foreign invasion. [Dissemination / Communication]

Roy, Helen; Hyman, Roselle; Botham, Marc; Amy, Sam; Staley, Joanna; Savage, Joanna; Comont, Richard; Ball, Sara; Hulmes, Lucy; Redhead, John; Dean, Hannah; Peyton, Jodey. 2012 Open Farm Sunday, Pollinator Survey. [Dissemination / Communication]

Impact (Summary)

Roy, Helen; Pocock, Michael. 2014 The Big Bumblebee Discovery - a collaboration between CEH, the British Science Association and EDF Energy. [Impact (Summary)]

Roy, Helen. 2013 COST Action ALIEN Challenge. [Impact (Summary)]

Roy, Helen. 2013 Open Farm Sunday 2013. [Impact (Summary)]

van der Gast, Christopher; Burthe, Sarah; Roy, Helen. 2012 CEH science at 2012 British Ecological Society Annual Meeting. [Impact (Summary)]

Roy, Helen; Pocock, Michael; Cornwell, Lucy. 2012 Open Farm Sunday visitors become citizen scientists. [Impact (Summary)]

Roy, Helen. 2012 Major review of citizen science leads to new practical guide. [Impact (Summary)]

Roy, Helen. 2012 Major update to Europe's alien species catalogue. [Impact (Summary)]

Roy, Helen. 2012 Nearly 2000 non-native species established in Great Britain. [Impact (Summary)]

Roy, Helen; Pocock, Michael. 2012 Biological recording in a changing world at BBC Gardeners' World Live. [Impact (Summary)]

Impact (Policy)

Roy, Helen. 2014 House of Commons Environmental Audit Committee’s invasive species inquiry. [Impact (Policy)]

Hails, Rosemary; Bullock, James; Parr, Terry; Roy, Helen; Chamberlain, Joanne. 2013 All-Party Parliamentary Group for Biodiversity visits CEH headquarters in Wallingford. [Impact (Policy)]

Roy, Helen. 2013 Horizon Scanning for Invasive Non-Native Species. [Impact (Policy)]

Publication - Other

Roy, Helen; Brown, Peter; Comont, Richard; Poland, Remy. 2012 Guide to the ladybird larvae of the British Isles. Shrewsbury, Field Studies Council [ID chart]

Roy, Helen; Brown, Peter; Shields, Chris. 2010 BBC Wild Day Out Ladybird cards and Activity Book. BBC Learning [BBC Breathing Places Resource]

This list was generated on Sat Dec 20 01:10:22 2014 GMT.