Chapter 3. PT Walker. 1987. Measurement of insect pest populations and injury. Pages 19-29.

Keywords: an insect pest management decision system, pest and damage assessment methods, reference materials, direct or indirect methods, direct counts, counts in the environment, sampling soil or debris, chemical attraction of plants, attraction by color, sticky traps, pitfall traps, mark and release, indirect methods, the whole plant, leaves, stems, fruit and seeds, roots, rating scales, remote sensing, pest identification, crop growth charts, the best time to sample, best method to use, effect of frequency distribution of pest or damage, sampling theory, effect of number of samples and number of pests per sample, sequential sampling, sampling in particular crops