What question did this study set out to answer?

This research aims to develop effective sampling plans for monitoring cotton mealybug populations on hibiscus plants.

Spatial distribution and fixed-precision sequential sampling plan for the cotton mealybug, Phenacoccus solenopsis (Hemiptera: Pseudococcidae), on Chinese hibiscus in Southwestern Iran

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Analysis shows pest management strategies improve monitoring of cotton mealybug in urban landscapes, indicating effective measures are needed.

This research aims to develop effective sampling plans for monitoring cotton mealybug populations on hibiscus plants.
Analyzed spatial distribution using Taylor’s power law and Iwao’s patchiness regression.
Developed fixed-precision sequential sampling plans across developmental stages of mealybugs.
Validated sampling plans through resampling to confirm precision levels.
Nymphs exhibited higher aggregation than adults in spatial analysis.
Optimal sample sizes were density-dependent, with nymphs requiring more samples than adults.
The D = 0.25 plan reduced sampling effort while ensuring accurate pest management.

Ramezani et al. (2025) studied this question.

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Analysis shows pest management strategies improve monitoring of cotton mealybug in urban landscapes, indicating effective measures are needed.