Pest Management Science最新文献

{"title":"Novel histone deacetylase-inhibiting 5-(trifluoromethyl)-1,2,4-oxadiazole derivatives with exceptional efficacy against Phakopsora pachyrhizi.","authors":"Chunlan Li, Yuandong Liu, Yuxin Huang, Fanqi Meng, Jing Zhang, Lixin Zhang","doi":"10.1002/ps.70879","DOIUrl":"https://doi.org/10.1002/ps.70879","url":null,"abstract":"<p><strong>Background: </strong>Asian soybean rust caused by Phakopsora pachyrhizi (P. pachyrhizi) poses a serious threat to global soybean production, and resistance to conventional fungicides is increasing. Therefore, new fungicides with novel modes of action are urgently needed. This study aimed to design and optimize potent 5-(trifluoromethyl)-1,2,4-oxadiazole (TFMO) derivatives inspired by fungal histone deacetylase inhibition.</p><p><strong>Results: </strong>Forty-two TFMO derivatives were synthesized through bioisosteric modification and linker optimization. Among them, FM-17888 showed the highest activity against P. pachyrhizi, with an EC₅₀ value of 0.0583 mg·L^-1, approximately eightfold lower than that of flufenoxadiazam. Under the tested greenhouse conditions, FM-17888 also showed good crop safety and selective activity against Puccinia triticina. Molecular docking and DFT analyses suggested that its improved activity may be associated with favorable binding geometry, additional π-sulfur interactions, and a reduced HOMO-LUMO energy gap.</p><p><strong>Conclusion: </strong>FM-17888 is a potent and selective TFMO lead compound for soybean rust control. Together with the greenhouse bioassay, docking, and DFT results, these findings support FM-17888 as a promising candidate for further development against rust diseases, while direct target-validation studies are still needed to confirm its precise mode of action. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design and synthesis of oxathiapiprolin derivatives containing acetal fragments as potent fungicide candidates.","authors":"Hong-Hao Li, Jin-Peng Yang, Chuan-Xiang Cheng, Lan Zhang, Chao Gong, Ying Ye, Xi-Li Liu, Wm Wishwajith W Kandegama, Xiao-Lei Zhu","doi":"10.1002/ps.70886","DOIUrl":"https://doi.org/10.1002/ps.70886","url":null,"abstract":"<p><strong>Background: </strong>Oxysterol-binding proteins (OSBPs) serve as critical regulators throughout the oomycete life cycle. Oxathiapiprolin (OXA), a potent OSBP-targeting fungicide, represents the first commercially developed piperidine-thiazole-isooxazoline (PTI) product. Despite extensive structural modification focused on OXA, very few analogs with improved fungicidal activity have been identified to date.</p><p><strong>Results: </strong>In this study, a series of OXA derivatives were designed and synthesized by introducing a flexible acetal fragment into OXA. The compounds B3 and B5 respectively exhibited excellent 77.78% and 94.44% control efficiency against cucumber downy mildew (CDM) at 0.02 mg/L concentration. The field trials showed that compounds B3 and B5 took on higher control efficiency than OXA at the same concentration. The result of environmental toxicological risk assessment indicated that compounds B3 and B5 have lower toxicity to aquatic lives than OXA. Computational chemistry indicated that the binding mode of compound B3 with Phytophthora capsici OSBP (PcOSBP) is similar to that of OXA, and kept the main binding interaction with OSBPs.</p><p><strong>Conclusion: </strong>Our findings suggested that a strategy focused on increasing molecular flexibility could be advantageous for optimizing OSBP inhibitors. The chemical structure of compound B3 may serve as a promising new starting point for the development of further OSBP inhibitors. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Structural evolution of quinine derivatives for enhanced antifungal potency: key modifications and quantitative structure-activity relationship (QSAR) analysis.","authors":"Lihong Fan, Ye Wu, Yining Lei, Yizhou Liu, Mingxuan Li, Chunxia Chen, Hanbao Zhang, Lianxu Shi, Jinsong Peng","doi":"10.1002/ps.70820","DOIUrl":"https://doi.org/10.1002/ps.70820","url":null,"abstract":"<p><strong>Background: </strong>The escalating resistance of phytopathogenic fungi to conventional fungicides, combined with increasing environmental concerns, necessitates the development of novel bioactive agents.</p><p><strong>Results: </strong>In this study, utilizing the natural product quinine as a lead scaffold, a series of novel 2-aminoquinine derivatives were designed and synthesized via PyBroP-mediated amination. The antifungal activities of these compounds against seven plant pathogens, including Rhizoctonia solani (R. solani), Cytospora chrysosperma (C. chrysosperma), Fusarium oxysporum (F. oxysporum), Magnaporthe oryzae (M. oryzae), Fusarium graminearum (F. graminearum), Sphaeropsis sapinea (S. sapinea), and Botrytis cinerea (B. cinerea), were evaluated using the mycelial growth rate method. Among the synthesized derivatives, compound Qed-3 exhibited broad-spectrum efficacy, particularly against S. sapinea with a half-maximal effective concentration (EC₅₀) value of 0.46 μg mL^-1. In vivo assays further confirmed its superior curative potential against pine shoot blight compared to the commercial fungicide boscalid. Mechanistic investigations, utilizing scanning electron microscopy (SEM) and transmission electron microscopy (TEM), revealed that compound Qed-3 disrupts the integrity of hyphal cell walls and membranes, leading to electrolyte leakage and the accumulation of reactive oxygen species (ROS).</p><p><strong>Conclusions: </strong>Molecular docking and quantitative structure-activity relationship (QSAR) analyses provided insights into the binding modes and structural determinants essential for antifungal potency. These findings highlight the potential of 2-arylaminoquinine as a promising and eco-friendly candidate for novel fungicide development. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"ASVLB-Net: A lightweight network for multispectral weed segmentation with NDVI-guided adaptive fusion.","authors":"Zhengtong Dong, Zhenhua Mu, Jie Ji, Chuanming Song, Jianjun Wang, Zumin Wang","doi":"10.1002/ps.70881","DOIUrl":"https://doi.org/10.1002/ps.70881","url":null,"abstract":"<p><strong>Background: </strong>Accurate crop-weed segmentation is critical for precision spraying but is hindered by visual similarity and occlusion. This study aims to develop a lightweight yet high-accuracy multispectral segmentation network to address these challenges.</p><p><strong>Results: </strong>We propose ASVLB-Net, a novel lightweight multiscale feature extraction network guided by normalized difference vegetation index (NDVI) priors for crop-weed segmentation in multispectral imagery. First, we design the Adaptive Spectral-Vegetation Fusion (ASVF) module at the input stage. It achieves adaptive allocation of spectral and spatial features, enhancing the discriminability of vegetation regions. Additionally, we adopt a U-shaped architecture based on the Layer-wise Concatenated Multi-Scale Feature (LCMF) encoder. It efficiently extracts fine-grained features and boundary information with low computational cost. Finally, we use the Bottleneck -SCSA (Spatial and Channel Synergistic Attention) module to capture long-range dependencies, improving segmentation in overlapping areas. Experimental results demonstrate that ASVLB-Net achieves a mean intersection over union (mIOU) of 86.5% and a mean precision of 91.89%, outperforming several state-of-the-art (SOTA) models, while maintaining high efficiency with only 0.47 million parameters.</p><p><strong>Conclusion: </strong>The ASVLB-Net significantly improves segmentation accuracy and robustness in unmanned aerial vehicle (UAV) multispectral imagery, offering a robust solution for precision weeding applications. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Volatiles from Momordica charantia L. fruits and leaves attract Zeugodacus cucurbitae (Coquillett).","authors":"Jingjing Wang, Jinhua Li, Ruwen Li, Yunshuang Deng, Yang Yue, Zhenya Tian, Guangmei Chen, Weihua Ma, Zhongshi Zhou","doi":"10.1002/ps.70877","DOIUrl":"https://doi.org/10.1002/ps.70877","url":null,"abstract":"<p><strong>Background: </strong>The melon fly, Zeugodacus cucurbitae (Coquillett), is a significant pest of cucurbit crops, and its ovipositing females cause direct damage to fruits. However, existing management strategies primarily target the male population, leaving a critical gap in female-specific control measures. Plant-derived volatiles are environmentally sustainable alternatives for developing behavior-based pest-management tools.</p><p><strong>Results: </strong>The volatiles of the preferred host plant, bitter gourd (Momordica charantia L.), were characterized qualitatively and semiquantitatively using headspace solid-phase microextraction gas chromatography coupled with mass spectrometry (HS-SPME/GC-MS) under targeted sampling conditions. A total of 48 fruit and 44 leaf volatiles were identified, with 28 compounds common to both tissues. Electroantennography (EAG) screenings revealed dose-dependent female antennal responses to 13 compounds, six of which (terpinen-4-ol, trans-verbenol, α-terpineol, 1-decanal, β-caryophyllene and perillaldehyde) exhibited consistent female-specific attraction in behavioral assays. A synthetic six-component blend (each at 10 μg μL^-1 in a 1:1:1:1:1:1 ratio) demonstrated a significantly stronger attraction than any individual compound did. Further optimization yielded an optimized four-component formulation comprising terpinen-4-ol, perillaldehyde, trans-verbenol and β-caryophyllene (each at 10 μg μL^-1 in a 1:1:1:1 ratio), which effectively attracted both male and female Z. cucurbitae.</p><p><strong>Conclusion: </strong>This plant-based volatile blend offers a targeted candidate attractant with strong potential for subsequent field development for sustainable management of Z. cucurbitae. The six-component blend exhibited potent female-specific attraction, addressing the current control gap for female melon flies, whereas the optimized four-component formulation achieved effective dual-sex attraction and provided a practical tool for integration into monitoring and mass-trapping programs. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nanoparticle-enhanced multi-target RNAi in Myzus persicae: Molecular mechanisms, cross-kingdom sRNA transfer, and efficacy for sustainable pest management.","authors":"Rusul A Alghadab, Leonardo Velasco","doi":"10.1002/ps.70888","DOIUrl":"https://doi.org/10.1002/ps.70888","url":null,"abstract":"<p><strong>Background: </strong>The green peach aphid (Myzus persicae) is a major agricultural pest with documented resistance to multiple insecticide classes. RNA interference (RNAi) offers a sustainable alternative, but inefficient double-stranded RNA (dsRNA) uptake limits field application. This study evaluated carbon dots (CDs) and chitosan-tripolyphosphate nanoparticles (ChNPs) as delivery vehicles for multi-target dsRNA against five essential aphid genes: acetylcholinesterase-like (AChE), nicotinic acetylcholine receptor (nAChR), carboxylesterase (CarE), cytochrome P450 (CYP6CY3), and Ya1 lncRNA.</p><p><strong>Results: </strong>Nanoparticle complexation enhanced dsRNA delivery onto pepper leaves 3.7-14.0-fold compared to naked dsRNA (P < 0.001). Coated dsRNAs reduced target transcript levels by 82-99%, achieving 93.5% aphid mortality (CD:dsRNA) within 6 days, comparable to spirotetramat (91.0%). In greenhouse trials, ChNP:dsRNA-treated plants exhibited 38% greater aerial biomass than untreated controls (P < 0.001). High-throughput sequencing revealed efficient dsRNA processing in pepper and siRNA profiles in feeding aphids consistent with cross-kingdom transfer, with 24-nt siRNAs characteristic of plant DCL3 processing detected in aphids. Differential expression analysis identified significantly altered aphid miRNAs enriched for cell adhesion, transcriptional regulation, and G protein-coupled receptor signaling.</p><p><strong>Conclusion: </strong>Nanocarrier-mediated multi-target RNAi achieved aphid mortality comparable to a commercial insecticide while maintaining superior plant health. The detection of plant-characteristic siRNAs in feeding aphids suggests cross-kingdom sRNA transfer that may enhance RNAi efficacy. These findings support nanoparticle-dsRNA formulations as effective components of integrated pest management. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Non-crop habitats are associated with early-season abundance dynamics of predatory natural enemies adjacent to wheat fields.","authors":"Xiaozhou Wang, Yanhong Li, Min Qi, Xiaoyi Liang, Zhuo Li, Shovon Chandra Sarkar, Xingyuan Men, Feng Ge, Xingrui Zhang","doi":"10.1002/ps.70862","DOIUrl":"https://doi.org/10.1002/ps.70862","url":null,"abstract":"<p><strong>Background: </strong>Non-crop habitats are integral components of winter wheat agroecosystems, providing food resources and refuges that may support early-spring recovery of predatory natural enemies and contribute to early-season biological control potential.</p><p><strong>Results: </strong>During 2024-2025, we used sticky traps to monitor four typical non-crop habitats (woodland, grassland, village, and uncultivated land) adjacent to wheat fields, quantifying early-season abundance dynamics of predatory natural enemies across habitat types and survey dates. Our results show that early-season abundance dynamics varied significantly among habitat types. Eupeodes corollae was most abundant in woodland, averaging 10.36-fold higher than in village. Chrysoperla sinica was most abundant in grassland, averaging 7.72-fold higher than in uncultivated land. Village provided important early-season refuges for coccinellids: Propylaea japonica abundance was on average 4.14-fold higher than in uncultivated land, and Harmonia axyridis abundance was on average 5.32-fold higher.</p><p><strong>Conclusion: </strong>Conserving and properly managing village-edge vegetation, grasslands, and woodland edges surrounding farmland may promote the early-spring recovery of predatory natural enemies in wheat agroecosystems. These findings suggest potential for strengthened early-season aphid management through enhanced availability of predatory natural enemies and reduced reliance on chemical pesticides, although aphid populations were not monitored and possible spillover into wheat fields was inferred indirectly from spatial and temporal abundance patterns. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A hetero-chitooligosaccharide as plant defense elicitors against spider mites.","authors":"Bowen Jiang, Eryi Ju, Yuguang Du, Bing Wang, Yong Zhao, Jinhua Wei, Zhuo A Wang, Takeshi Suzuki","doi":"10.1002/ps.70843","DOIUrl":"https://doi.org/10.1002/ps.70843","url":null,"abstract":"<p><strong>Background: </strong>The increasing challenges of pesticide resistance and environmental degradation in modern agriculture require sustainable pest management strategies. This study investigates the efficacy of a specific type of hetero-chitooligosaccharide called partially deacetylated chitooligosaccharide enriched in d-glucosamine (DACOS; 85.6% deacetylation, an average molecular mass of 1092.52 Da), as a plant defense elicitor against the two-spotted spider mite, Tetranychus urticae Koch.</p><p><strong>Results: </strong>In planta bioassays revealed suppression of mite performance on DACOS-treated leaves of kidney bean seedlings. Local effects were most pronounced at 80 mg L^-1 (ppm), which reduced mite survival by 30% and cumulative fecundity by 41% after 6 days. Systemic effects were strongest at 160 ppm, indicating distinct concentration requirements for local versus systemic defense induction. Behavioral choice assays revealed that DACOS-treated leaves induced 73% mite repellency. No direct acaricidal effects were observed, which confirms the role of DACOS as a plant defense elicitor. Metabolic profiling revealed enriched pathways (e.g., monoterpenoid biosynthesis and α-linolenic acid metabolism) that produce volatile organic compounds with repellent properties.</p><p><strong>Conclusion: </strong>These findings suggest that DACOS is an environmentally friendly and non-biotic induced resistance stimulus that can enhance plant defense, bypass pesticide resistance, and promote the sustainability of crop production. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Host selection in Megabruchidius dorsalis under storage conditions: investigating the role of visual, gustatory and olfactory cues in feeding and reproductive behaviors.","authors":"Heping Li, Chengyan Huang, Fei Su, Silin Chen, Guanying Ma, Jun Liao, Minghui Xie, Chenyu Liu, Jianfeng Liu, Guy Smagghe, Fangling Xu, Maofa Yang, Chengxu Wu","doi":"10.1002/ps.70875","DOIUrl":"https://doi.org/10.1002/ps.70875","url":null,"abstract":"<p><strong>Background: </strong>Megabruchidius dorsalis, an oligophagous seed beetle, exhibits critical host selection behaviors that directly influence its survival. This study investigated the host preferences of both adults and larvae among three Gleditsia species [G. heterophylla (Gh), G. sinensis (Gs), and G. japonica (Gj)] through choice experiments, and examined the roles of visual, gustatory and olfactory cues in host selection. Life table analyses also were conducted to assess developmental outcomes across hosts, linking preference patterns to fitness consequences.</p><p><strong>Results: </strong>Larvae strongly preferred feeding on Gh. However, regardless of the integrity of antennae or the lighting conditions of the environment, adult insects consistently oviposit on the surface of Gs. Pearson correlation analysis combined with partial least squares regression revealed a strong association between adult oviposition and host phenotypic traits as well as key volatile organic compounds. By contrast, larval feeding behavior was primarily influenced by host nutritional content. Life table analysis indicated that development on Gs was significantly prolonged, whereas Gh supported the highest reproductive output, as reflected by superior net reproductive rates.</p><p><strong>Conclusion: </strong>M. dorsalis exhibits distinct stage-specific sensory adaptations in host selection. Adults use visual and olfactory cues to choose oviposition sites. Larvae select hosts based on nutritional quality for better growth and development. This difference represents an ecological trade-off between reproduction and larval development. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Migration dynamic of fall armyworm Spodoptera frugiperda (J. E. Smith) between China's southern Yunnan and the Indo-China Peninsula.","authors":"Shengyuan Zhao, Dazhong Liu, Xianming Yang, Shuang Chen, Xinzhu Cang, Yiwei Fang, Chunyang Lv, Kongming Wu","doi":"10.1002/ps.70859","DOIUrl":"https://doi.org/10.1002/ps.70859","url":null,"abstract":"<p><strong>Background: </strong>Since the invasion of fall armyworm (FAW) into Asia, it has posed a threat to agricultural production across Asian countries. The southwestern border region of China serves as a key pathway for FAW migration from the Indo-China Peninsula into China. Understanding the transboundary migration dynamics of this pest facilitates source control and early prevention and control measures.</p><p><strong>Results: </strong>Systematic monitoring for transboundary migration dynamics of FAW was conducted during 2019-2024 in Jiangcheng County of Yunnan province located at the border area between Southwestern China and the Indo-China Peninsula. The results indicate typical northward migration of FAW during spring, summer, and autumn, while winter was characterized by local dispersal population. Northward migratory FAW populations primarily originated from Myanmar, Laos, Vietnam, and Thailand (immigrant FAW population sources accounted for 93.56% in spring, 89.35% in summer, and 82.93% in autumn, 98.89% in winter). In terms of distribution in the migration destination areas, the landing points were predominantly located in Yunnan Province, Guangxi Province, and Guizhou Province in China (97.18% in spring, 89.89% in summer, 89.22% in autumn, and 93.89% in winter).</p><p><strong>Conclusion: </strong>FAW populations in the Indo-China Peninsula undergo continuous cross-border northward migration into China through south Yunnan during spring, summer, and autumn, with no backward migration observed in all seasons. These findings provide a scientific basis for establishing precise monitoring and regional integrated management for FAW. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147809044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}