Most read articles by the same author(s)
- P.J. Addison, B. Willoughby, S. Hardwick, P.J. Gerard, Clover root weevil: Observations on differences between 1997 and 1998 summer populations in the Waikato , Proceedings of the New Zealand Plant Protection Conference: Vol. 51 (1998)
- B. Willoughby, R.A. Prestidge, C. Seay, J. Gray, Evaluation of two strains of Bacillus thuringiensis var. kustaki against early instar grass grub (Costelytra zealandica) larvae , Proceedings of the New Zealand Plant Protection Conference: Vol. 47 (1994)
- B. Willoughby, S. Hardwick, Effect of summer irrigation on population dynamics and reproductive status of adult Sitona lepidus in the Waikato , Proceedings of the New Zealand Plant Protection Conference: Vol. 52 (1999)
- B. Willoughby, F. Kettlewell, Farmer observations on the impact of clover root weevil (Sitona lepidus) on Waikato farms , Proceedings of the New Zealand Plant Protection Conference: Vol. 51 (1998)