Chapter 9. William G Ruesink and Marcos Kogan. 1975. The quantitative basis of pest management: sampling and measuring. Pages 309-351. In: RL Metcalf and WH Luckman. New York, John Wiley and Sons, 587 pages.

Keywords: absolute sampling methods, distance to nearest neighbor, sampling a unit of habitat, sampling from air, sampling from vegetation, sampling from soil and litter, recapture marked individuals, removal trapping, extracting the insect from the sample, sample size, relative methods, visual searches, sweep-net catch, shaking and beating, vacuum trapping, malaise traps, windowpane traps, sticky traps, pitfall traps, traps using attractants, insect products, assessing plant damage, identification of the type of injury, measuring damage by direct pests, measuring damage by indirect pests, measurement of defoliation, measurements of damage to the root system, relationship between damage and yield reduction, corn-pull device, example of estimation of crop loss by analytical procedures on silage corn attacked by aphids, dispersion and the sampling program, the Poisson distribution, negative bionomial distribution, Taylor’s power law, parameter estimation, sequential sampling, economic thresholds