Roy, D.B., Brereton, T.M., Cruickshanks, K.L., J. Greatorex-Davies, N., Middlebrook, I., Rothery, P. & Warren, M.S. (2008) Developing A Uk-Wide Butterfly Monitoring Scheme: Integrating The Wider Countryside. Centre for Ecology and Hydrology and Butterfly Conservation.

Roy, D.B., Rothery, P. & Brereton, T.M. (2007) Reduced-effort schemes for monitoring butterfly populations. Journal of Applied Ecology, 44, 993-1000.

Roy, H.E., Brown, P.M.J., Rothery, P., Ware, R.L. & Majerus, M.E.N. (2007) Interactions between the fungal pathogen Beauveria bassiana and three species of coccinellid: Harmonia axyridis, Coccinella septempunctata and Adalia bipunctata. BioControl, 53, 265-276.

Brown, P.M.J., Roy, H.E., Rothery, P., Roy, D.B., Ware, R.L. & Majerus, M.E.N. (2007) Harmonia axyridis in Great Britain: analysis of the spread and distribution of a non-native coccinellid. BioControl, 53, 55-67.

Botham, M.S., Rothery, P., Hulme, P.E., Hill, M.O., Preston, C.D. & Roy, D.B. (2009) Do urban areas act as foci for the spread of alien plant species? An assessment of temporal trends in the UK. Diversity and Distributions, 15, 338-345.

Roy, D.B., Rothery, P., Moss, D., Pollard, E. & Thomas, J.A. (2001) Butterfly numbers and weather: predicting historical trends in abundance and the future effects of climate change. Journal of Animal Ecology, 70, 201-217.

Rothery, P. & Roy, D.B. (2001) Application of generalized additive models to butterfly transect count data. Journal of Applied Statistics, 28, 897-909.

Brown, P.M.J., Roy, H.E., Rothery, P., Roy, D.B., Ware, R.L. & Majerus, M.E.N. (2008) Harmonia axyridis in Great Britain: analysis of the spread and distribution of a non-native coccinellid. 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. (eds H.E. Roy), & Wajnberg, E.), pp. 55-67. Springer Netherlands.

Roy, D.B., Rothery, P. & Brereton, T.M. (2005) The Design Of A Systematic Survey Scheme To Monitor Butterflies In The United Kingom. In: Studies On The Ecology And Conservation Of Butterflies In Europe, Vol 1. General Concepts And Case Studies, Pp. 102-105. Kuhn, E., Fieldmann, R. Thomas, J.a. And Se. Pensoft, Sofia.