Working Document Series Open Access A comparative study of two sampling approaches for the coconut whitefly and its associated parasitoids in Inhambane province, Mozambique D. Cugala · Ronald Kityo Research to develop and evaluate pest management tactics requires meaningful measurements of populations of pests and/or beneficial organisms for accurate and precise estimation. Sample size and number of samples corresponding to fixed lev… RUF-36914 2016 CC BY 4.0 15 Sep 2017