What does this research mean for the field?

Field populations of the green leafhopper (Nephotettix virescens) in Bangladesh exhibit low resistance to Cartap hydrochloride, Buprofezin, and Fenobucarb, while remaining highly susceptible to Imidacloprid and a Cypermethrin-Chlorpyrifos mixture. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To assess insecticide resistance profiles and relative reproductive performance in field-collected versus susceptible laboratory strains of the green leafhopper Nephotettix virescens.

August 22, 2026HeliyonOpen Access

Insecticide resistance and relative reproductive performance of Nephotettix virescens in rice ecosystem

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To assess insecticide resistance profiles and relative reproductive performance in field-collected versus susceptible laboratory strains of the green leafhopper Nephotettix virescens.
Tested an 18th-generation unexposed laboratory strain against first-generation field-collected populations from Cumilla, Bangladesh.
Conducted toxicity and dose-response bioassays using a modified IRAC 005 protocol across multiple insecticides and mixtures.
Field populations exhibited low resistance ratios to cartap hydrochloride (7.39), buprofezin (6.49), and fenobucarb (5.16), while imidacloprid (1.06) and a cypermethrin + chlorpyrifos mixture (3.33) showed little to no resistance.
Cypermethrin + chlorpyrifos demonstrated high toxicity with an LC50 of 0.91 ppm in the lab and 3.03 ppm in the field, resulting in zero survival by day three.
Chlorpyrifos demonstrated the highest relative reproductive ratio at the recommended dose (0.73), with ratios of 0.71 at recommended dose and 0.48 at double the recommended dose in dose-response bioassays.

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Implication

Comparative bioassay reveals low resistance to select insecticides in green leafhoppers, suggesting strategic rotation to sustain rice pest control.

Cite This Study

KABIR et al. (2026) studied this question.

synapsesocial.com/papers/6a895f41ca7ade938187dc1e https://doi.org/10.1016/j.heliyon.2026.e45335

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Implication

Comparative bioassay reveals low resistance to select insecticides in green leafhoppers, suggesting strategic rotation to sustain rice pest control.

Insecticide resistance and relative reproductive performance of Nephotettix virescens in rice ecosystem

Key Points

Discussion

Implication

Cite This Study

Insecticide resistance and relative reproductive performance of Nephotettix virescens in rice ecosystem

Key Points

Discussion

Implication

Cite This Study

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