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.

Brown, P.M.J., Adriaens, T., Bathon, H., Cuppen, J., Goldarazena, A., Hägg, T., Kenis, M., Klausnitzer, B.E.M., Kovář, 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, 5-21.

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, H.E. & Roy, D.B. (2008) Harmonia Axyridis. In: Handbook Of Alien Species In Europe. (Ed.: Daisie). Springer series in Invasion Ecology.

Vilà, M., Basnou, C., Pyšek, P., Josefsson, M., Genovesi, P., Gollasch, S., Nentwig, W., Olenin, S., Roques, A., Roy, D.B. & Hulme, P.E. (2009) How well do we understand the impacts of alien species on ecosystem services? A pan-European, cross-taxa assessment. Frontiers in Ecology and the Environment, 8, 135-144.

Oliver, T.H., Roy, D.B., Hill, J.K., Brereton, T.M. & Thomas, C.D. (2010) Heterogeneous landscapes promote population stability. Ecology Letters, 13, 473-484.

Suggitt, A.J., Gillingham, P.K., Hill, J.K., Huntley, B., Kunin, W.E., Roy, D.B. & Thomas, C.D. (2011) Habitat microclimates drive fine-scale variation in extreme temperatures. Oikos, 120, 1-8.