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Authors whose works are in public domain in at least one jurisdiction

List of works by Helen E. Roy

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The harlequin ladybird, Harmonia axyridis: global perspectives on invasion history and ecology

article
No saturation in the accumulation of alien species worldwide

scientific article
Tackling Invasive Alien Species in Europe: the top 20 issues

Invasive alien predator causes rapid declines of native European ladybirds

article
Complex patterns of global spread in invasive insects: eco-evolutionary and management consequences

article
Defining invasiveness and invasibility in ecological networks

Horizon scanning for invasive alien species with the potential to threaten biodiversity in Great Britain

scientific article
Risk management to prioritise the eradication of new and emerging invasive non-native species

Crossing Frontiers in Tackling Pathways of Biological Invasions

article
The potential impacts of the arrival of the harlequin ladybird, Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae), in Britain

scholarly article by Michael Majerus published in May 2006
Lessons from lady beetles: accuracy of monitoring data from US and UK citizen-science programs

article
Generic ecological impact assessments of alien species in Norway: a semi-quantitative set of criteria

article
The Biological Records Centre: a pioneer of citizen science

Harmonia axyridis in Great Britain: analysis of the spread and distribution of a non-native coccinellid

article
Global rise in emerging alien species results from increased accessibility of new source pools

scientific article published on 5 February 2018
INVASIVESNET towards an International Association for Open Knowledge on Invasive Alien Species

article
Living with the enemy: parasites and pathogens of the ladybird Harmonia axyridis

article
Networking: a community approach to invaders and their parasites

scientific article published on 10 December 2020
Interactions between the fungal pathogen Beauveria bassiana and three species of coccinellid: Harmonia axyridis, Coccinella septempunctata and Adalia bipunctata

article
Citizen Science and Open Data: a model for Invasive Alien Species in Europe

article
Ten years of invasion: Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) in Britain

scientific article
The diversity and evolution of ecological and environmental citizen science

scientific article
Current and potential management strategies against Harmonia axyridis

Widespread losses of pollinating insects in Britain

scientific article published on 26 March 2019
A vision for global monitoring of biological invasions

article
The contribution of volunteer recorders to our understanding of biological invasions

Avoidance of a generalist entomopathogenic fungus by the ladybird, Coccinella septempunctata

scientific article published on May 6, 2011
Escape from parasitism by the invasive alien ladybird, Harmonia axyridis

article
Using biological traits to explain ladybird distribution patterns

Challenging the view that invasive non-native plants are not a significant threat to the floristic diversity of Great Britain

scientific article published on June 2015
GB Non-native Species Information Portal: documenting the arrival of non-native species in Britain

article
Developing and enhancing biodiversity monitoring programmes: a collaborative assessment of priorities

scientific article
Landscape and climate determine patterns of spread for all colour morphs of the alien ladybird Harmonia axyridis

Rapid spread of Harmonia axyridis in Chile and its effects on local coccinellid biodiversity

article
Agricultural Management and Climatic Change Are the Major Drivers of Biodiversity Change in the UK.

scientific article
Increasing understanding of alien species through citizen science (Alien-CSI)

Assessing patterns in introduction pathways of alien species by linking major invasion data bases

article
Alien arthropod predators and parasitoids: an ecological approach

article
Ecological correlates of local extinction and colonisation in the British ladybird beetles (Coleoptera: Coccinellidae)

scholarly article by Richard F. Comont published in December 2013
Socio-economic impact classification of alien taxa (SEICAT)

scientific article published in 2017
Long-term changes in communities of native coccinellids: population fluctuations and the effect of competition from an invasive non-native species

article
Characteristics and drivers of high-altitude ladybird flight: insights from vertical-looking entomological radar

scientific article
Beyond biological control: non-pest insects and their pathogens in a changing world

Global trade networks determine the distribution of invasive non-native species

article
Parasites of Harmonia axyridis: current research and perspectives

Developing a list of invasive alien species likely to threaten biodiversity and ecosystems in the European Union

scientific article published on 12 December 2018
Focal Plant Observations as a Standardised Method for Pollinator Monitoring: Opportunities and Limitations for Mass Participation Citizen Science

scientific article
Alien Pathogens on the Horizon: Opportunities for Predicting their Threat to Wildlife

Learning and the transformative potential of citizen science

scientific article
The invasion history, distribution and colour pattern forms of the harlequin ladybird beetle Harmonia axyridis (Pall.) (Coleoptera, Coccinellidae) in Slovakia, Central Europe

scientific article

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