Species Identification, Insecticide Resistance and TYLCV Detection of Bemisia tabaci in Kashgar, Xinjiang
The rapid evolution of insecticide resistance in <i>Bemisia tabaci</i> (Gennadius) (Hemiptera: Aleyrodidae) threatens effective pest management in key crops. This study characterized <i>B</i>. <i>tabaci</i> populations from cotton and tomato fields in Kashgar (September-October 2024) using mtCOI-RFLP for cryptic species identification, leaf-dip bioassays with 13 insecticides, and PCR detection of tomato yellow leaf curl virus (TYLCV). All analyzed individuals belonged to the Mediterranean (MED) cryptic species. Extreme resistance was observed to imidacloprid (RR = 320.65) and pyridaben (RR = 331.29), while nitenpyram (RR = 1.77) and the emamectin benzoate-chlorantraniliprole mixture (RR = 2.13) remained effective. TYLCV was detected in 97.5% of adults from tomato greenhouses. These findings provide a concise assessment of resistance status, species identification, and virus prevalence in <i>B</i>. <i>tabaci</i>, informing sustainable management strategies in cotton and tomato production.
Authors
- Weina Gu (ORCID: https://orcid.org/0000-0001-8510-3524)
- Qi Su (ORCID: https://orcid.org/0000-0002-8207-2715)
- Y. e Liang Zhang
- Jie Yang (ORCID: https://orcid.org/0000-0003-4801-7162)
- Shaoli Wang (ORCID: https://orcid.org/0000-0001-5170-6781)
- Rong Zhang (ORCID: https://orcid.org/0009-0008-9686-3543)
- Qi Li
- Xin Yang
- Jinyu Hu
Institutions
- Yangtze University (CN)
- Institute of Vegetables and Flowers (CN)
- Chinese Academy of Agricultural Sciences (CN)
Publication Details
- Journal
- Insects
- Published
- 2026-01-20
- DOI
- https://doi.org/10.3390/insects17010112
- Primary Topic
- Insect-Plant Interactions and Control
- Type
- article
- Field-Weighted Citation Impact
- 0.00