What question did this study set out to answer?

The research aims to assess resistance of tarnished plant bug populations to commonly used insecticides in Alabama.

April 13, 2026

Bioassay to Evaluate Resistance Levels in Tarnished Plant Bug (Hemiptera: Miridae) Populations in Alabama to Common Cotton Insecticides

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Evaluates resistance levels to insecticides in tarnished plant bugs, suggesting implications for pest management.

The research aims to assess resistance of tarnished plant bug populations to commonly used insecticides in Alabama.
Conducted glass-vial bioassays to test resistance levels in field populations.
Evaluated five common insecticides across six growing regions.
Compared resistance levels of field populations with a susceptible laboratory population.
Bifenthrin resistance was high (12 – 13.4-fold) in three counties in 2023.
Imidacloprid showed some resistance, but less than bifenthrin.
Dicrotophos exhibited the lowest resistance levels in both years studied.

Douglas et al. (2025) studied this question.

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