Brown, P.M.J. (2010) The Spread Of The Harlequin Ladybird Harmonia Axyridis (Coleoptera: Coccinellidae) In Europe And Its Effect On Native Ladybirds. Anglia Ruskin University.

Hill, M.O., Arnold, H.R., Broad, G.R., Brown, P.M.J., James, T.J., McLean, I.F.G., Preston, C.D., Rowland, F. & Roy, D.B. (2006) Biological Records Centre Annual Report 2005-2006. Joint Nature Conservation Committee, Peterborough.

Brown, P.M.J., Comont, R.F., Poland, R. & Roy, H.E. (2012) Wildlife reports: ladybirds. British Wildlife, 23, 208-210.

Brown, P.M.J., Roy, H.E. & Comont, R.F. (2013) Wildlife reports: ladybirds. British Wildlife, 24, 208-209.

Brown, P.M.J., Roy, H.E. & Majerus, M.E.N. (2007) Update on the spread of an invasive ladybird. Biocontrol News and Information, 28, 16-17.

Brown, P.M.J. & Roy, H.E. (2007) The spread of the harlequin ladybird in Cambridgeshire and Huntingdonshire. Nature in Cambridgeshire, 49, 55-57.

Brown, P.M.J. & Roy, H.E. (2007) The spread of the Harlequin Ladybird Harmonia axyridis in late 2006. Atropos, 31, 32-33.

Ribbands, B., Brown, P.M.J., Roy, H.E. & Majerus, M.E.N. (2009) The most northerly record of the harlequin ladybird (Col., Coccinellidae) in the British Isles. Entomologist's Monthly Magazine, 145, 43-44.

Brown, P.M.J., James, T.J., Stewart, A.J.A. & Roy, H.E. (2008) Mapping insect distributions in the 21st Century: a role for the Royal Entomological Society in partnership with the Biological Records Centre and the National Biodiversity Network. Antenna,, 32, 149-151.

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.

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.

Roy, H.E., Brown, P.M.J., Ware, R.L., Michie, L.J., Beckmann, B. & Majerus, M.E.N. (2008) The harlequin ladybird marches on. British Wildlife, 19, 182-186.

Holroyd, O., Brown, P.M.J., Roy, H.E. & Majerus, M.E.N. (2008) The harlequin ladybird, Harmonia axyridis, reaches Scotland. Entomologists’ Record and Journal of Variation, 120, 42-43.

Roy, H.E., Brown, P.M.J., Adriaens, T., Berkvens, N., Borges, I., Clusella-Trullas, S., Comont, R.F., De Clercq, P., Eschen, R., Estoup, A., Evans, E.W., Facon, B., Gardiner, M.M., Gil, A., Grez, A.A., Guillemaud, T., Haelewaters, D., Herz, A., Honek, A., Howe, A.G., Hui, C., Hutchison, W.D., Kenis, M., Koch, R.L., Kulfan, J., Handley, L.L., Lombaert, E., Loomans, A., Losey, J., Lukashuk, A.O., Maes, D., Magro, A., Murray, K.M., San Martin, G., Martinkova, Z., Minnaar, I.A., Nedved, O., Orlova-Bienkowskaja, M.J., Osawa, N., Rabitsch, W., Ravn, H.P., Rondoni, G., Rorke, S.L., Ryndevich, S.K., Saethre, M.G., Sloggett, J.J., Soares, A.O., Stals, R., Tinsley, M.C., Vandereycken, A., van Wielink, P., Viglasova, S., Zach, P., Zakharov, I.A., Zaviezo, T. & Zhao, Z.H. (2016) The harlequin ladybird, Harmonia axyridis: global perspectives on invasion history and ecology. Biological Invasions, 18, 997-1044.

Gardiner, M., Losey, J., Smyth, R., Allee, L., Roy, H.E. & Brown, P.M.J. (2012) Data Accuracy and Citizen Science: Lessons Learned from Studying Lady Beetles in the US and UK. Frontiers in Ecology and the Environment, 10, 471- 476.

Roy, H.E., Rorke, S.L., Beckmann, B., Booy, O., Botham, M.S., Brown, P.M.J., Harrower, C.A., Noble, D.G., Sewell, J. & Walker, K.J. (2015) The contribution of volunteer recorders to our understanding of biological invasions. Biological Journal of the Linnean Society, 115, 678–689.

Burns, F., Eaton, M.A., Barlow, K.E., Beckmann, B., Brereton, T.M., Brooks, D.R., Brown, P.M.J., N. Fulaij, A., Gent, T., Henderson, I.G., Noble, D.G., Parsons, M.S., Powney, G.D., Roy, H.E., Stroh, P., Walker, K.J., Wilkinson, J.W., Wotton, S.R. & Gregory, R.D. (2016) Agricultural management and climatic change are the major drivers of biodiversity change in the UK. PLoS ONE, 11, e0151595.

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., Brown, P.M.J., Frost, R. & Poland, R. (2011) Ladybirds (Coccinellidae) Of Britain And Ireland. Field Studies Council, Shrewsbury.