Roy Helen E.

Roy, H.E., Brown, P.M.J., Frost, R. & Poland, R. (2011) Ladybirds (Coccinellidae) of Britain and Ireland. Field Studies Council, Shrewsbury.

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.

Parrott, D., Roy, S., Baker, R., Cannon, R., Eyre, D., Hill, M.O., Wagner, M., Preston, C.D., Roy, H.E., Beckmann, B., Copp, G., Ellis, J., Laing, I., Britton, J., Gozlan, R. & Mumford, J. (2009) Horizon Scanning for New Invasive Non-Native Species in England. Report to Natural England (Natural England Contract No. SAE03-02-189). Central Science Laboratory, York.

Seebens, H., Blackburn, T.M., Dyer, E.E., Genovesi, P., Hulme, P.E., Jeschke, J.M., Pagad, S., Pysek, P., Winter, M., Arianoutsou, M., Bacher, S., Blasius, B., Brundu, G., Capinha, C., Celesti-Grapow, L., Dawson, W., Dullinger, S., Fuentes, N., Jager, H., Kartesz, J., Kenis, M., Kreft, H., Kuhn, I., Lenzner, B., Liebhold, A., Mosena, A., Moser, D., Nishino, M., Pearman, D.A., Pergl, J., Rabitsch, W., Rojas-Sandoval, J., Roques, A., Rorke, S.L., Rossinelli, S., Roy, H.E., Scalera, R., Schindler, S., Stajerova, K., Tokarska-Guzik, B., van Kleunen, M., Walker, K.J., Weigelt, P., Yamanaka, T. & Essl, F. (2017) No saturation in the accumulation of alien species worldwide. Nature Communications, 8.

Roy, H.E. (2010) Coccinellids in a Changing World. In: Ecology of Aphidophaga (eds.: P. Kindlmann). Springer Academic Publishers, Netherlands.

Pell, J.K., Baverstock, J., Roy, H.E., Ware, R.L. & Majerus, M.E.N. (2007) Intraguild predation involving Harmonia axyridis: a review of current knowledge and future perspectives. BioControl, 53, 147–168.

Hill, M.O., Ames, S.L., Bacon, J., Botham, M.S., Lindsley-Leake, S., Marchant, J.H., Preston, C.D., Rehfisch, M.M., Roy, D.B., Roy, H.E., Tyler-Walters, H. & Wright, L. (2008) Non-Native Species Portal Feasibility Study. CEH, Huntingdon.

Garnas, J.R., Auger-Rozenberg, M.A., Roques, A., Bertelsmeier, C., Wingfield, M.J., Saccaggi, D.L., Roy, H.E. & Slippers, B. (2016) Complex patterns of global spread in invasive insects: eco-evolutionary and management consequences. Biological Invasions, 18, 935–952.

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

Roy, H.E., Hesketh, H., McCracken, M.E., Pywell, R.F. & Hails, R.S. (2009) Living on the edge: interactions between Lepidoptera and parasites in fragmented habitats. Atropos, 37, 19–26.