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.
Roy Helen E.
First name
Helen
Middle name
E.
Last name
Roy
Hill, M.O., Beckmann, B., 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.
Kenis, M., Adriaens, T., Brown, P.M.J., Katsanis, A., San Martin, G., Branquart, E., Maes, D., Eschen, R., Zindel, R., Van Vlaenderen, J., Babendreier, D., Roy, H.E., Hautier, L. & Poland, R. (2017) Assessing the ecological risk posed by a recently established invasive alien predator: Harmonia axyridis as a case study. Biocontrol, 62, 341–354.
Roy, H.E., Peyton, J., Aldridge, D., Bantock, T., Blackburn, T., Britton, R., Clark, P., Cook, E., Dehnen-Schmutz, K., Dines, T., Dobson, M., Edwards, F., Harrower, C.A., Harvey, M.C., Minchin, D., Noble, D.G., Parrott, D., Pocock, M.J.O., Preston, C.D., Roy, S., Salisbury, A., Schönrogge, K., Sewell, J., Shaw, R., Stebbing, P., Stewart, A.J. & Walker, K.J. (2014) Horizon scanning for invasive alien species with the potential to threaten biodiversity in Great Britain. Global Change Biology, 20, 3859–3871.
Brown, P.M.J., Roy, H.E., Rothery, P., Roy, D.B., Ware, R.L., Majerus, M.E.N., Roy, H.E. & Wajnberg, E. (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 pp. 55–67. Springer Netherlands.
Hill, M.O., Bacon, J., Beckmann, B., 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.
Pergl, J., Pysek, P., Bacher, S., Essl, F., Genovesi, P., Harrower, C.A., Hulme, P.E., Jeschke, J.M., Kenis, M., Kuhn, I., Perglova, I., Rabitsch, W., Roques, A., Roy, D.B., Roy, H.E., Vilà, M., Winter, M. & Nentwig, W. (2017) Troubling travellers: are ecologically harmful alien species associated with particular introduction pathways? Neobiota, 32, 1–20.
Roy, H.E., Brown, P.M.J., Frost, R. & Poland, R. (2011) Ladybirds (Coccinellidae) of Britain and Ireland. Field Studies Council, Shrewsbury.
Brown, P.M.J., Roy, H.E., Rothery, P., Roy, D.B., Ware, R.L., Majerus, M.E.N., Roy, H.E. & Wajnberg, E. (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 pp. 55–67. Springer Netherlands.
Parrott, D., Roy, S., Baker, R., Cannon, R., Eyre, D., Hill, M.O., Wagner, M., Preston, C.D., Roy, H.E. & Beckmann, B. (2009) Horizon scanning for new invasive non-native animal species in England.