Research and Publications
Understanding Citizen Science And Environmental Monitoring: Final Report On Behalf Of Uk Environmental Observation Framework. NERC/Centre for Ecology & Hydrology, Wallingford.
(2012) The value of citizen science. People and Science.
(2013) Horizon scanning for invasive alien species with the potential to threaten biodiversity in Great Britain. Global Change Biology, 20, 3859-3871.
(2014) Ladybirds (Coccinellidae) Of Britain And Ireland. Field Studies Council, Shrewsbury.
(2011) Coccinellids In A Changing World. In: Ecology Of Aphidophaga (Eds.: P. Kindlmann). Springer Academic Publishers, Netherlands.
(2010) Harmonia Axyridis. In: Handbook Of Alien Species In Europe. (Ed.: Daisie). Springer series in Invasion Ecology.
(2008) (2010)
Beyond biological control: non-pest insects and their pathogens in a changing world. Insect Conservation and Diversity, 2, 65-72.
(2009) (2010)
From biological control to invasion: the ladybird Harmonia axyridis as a model species. From Biological Control to Invasion: the Ladybird Harmonia axyridis as a Model Species From Biological Control to Invasion: the Ladybird Harmonia axyridis as a Model Species. pp. 1-4. Springer Netherlands, Dordrecht.
(2008) (2007)
(2009)
(2008)
Nuisance Insects And Climate Change. Centre for Ecology and Hydrology, Wallingford.
(2009) The contribution of volunteer recorders to our understanding of biological invasions. Biological Journal of the Linnean Society, 115, 678–689.
(2015) 
GB Non-native Species Information Portal: documenting the arrival of non-native species in Britain. Biological Invasions, 16, 2495-2505.
(2014) (2016)
(2016)
The harlequin ladybird, Harmonia axyridis: global perspectives on invasion history and ecology. Biological Invasions, 18, 997-1044.
(2016) Alien Pathogens on the Horizon: Opportunities for Predicting their Threat to Wildlife. Conservation Letters, n/a-n/a.
(2016)