Brown, P. M. J., Adriaens, T., Bathon, H., Cuppen, J et al. 2008. Harmonia axyridis in Europe: spread and distribution of a non-native coccinellid. BioControl 53(1), 5-21.

Brown, P. M. J., Adriaens, T., Bathon, H., Cuppen, J et al. 2008. Harmonia axyridis in Europe: spread and distribution of a non-native coccinellid. BioControl 53(1), 5-21.