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Conditionally essential: A testis-enriched heat shock protein from fall armyworm safeguards fertility and survival under heat stress. 条件必需:来自秋粘虫的睾丸富集热休克蛋白在热应激下保护生育力和存活。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-03 DOI: 10.1002/ps.70874
Yuchen Zhao, Pei Wang, Rujing Xie, Yanghui Cao, Xien Chen
{"title":"Conditionally essential: A testis-enriched heat shock protein from fall armyworm safeguards fertility and survival under heat stress.","authors":"Yuchen Zhao, Pei Wang, Rujing Xie, Yanghui Cao, Xien Chen","doi":"10.1002/ps.70874","DOIUrl":"https://doi.org/10.1002/ps.70874","url":null,"abstract":"<p><strong>Background: </strong>Extreme high temperatures significantly threaten insect development and reproduction. Small heat shock proteins (sHSPs) are crucial for thermal adaptation, but their specific roles in reproduction and heat stress response remain incompletely understood. This study investigates SfHSP19.8, a testis-enriched sHSP in the fall armyworm (Spodoptera frugiperda), to elucidate its function.</p><p><strong>Results: </strong>Testis-specific expression of SfHSP19.8 occurred during the 6<sup>th</sup>- instar larval and pupal stages. Homozygous knockout mutants were generated using CRISPR/Cas9 technology. Transcriptomic analysis of 6<sup>th</sup>-instar larval testes revealed dysregulation of genes in steroid hormone biosynthesis and detoxification pathways. However, knockout did not impair adult male fertility, testis morphology or sperm count under standard conditions. SfHSP19.8 expression was strongly induced by heat shock across developmental stages. Mutants exhibited severely compromised thermotolerance under heat stress, including complete egg hatching failure, high larval mortality, prolonged larval development, and reduced adult longevity and reproductive fitness.</p><p><strong>Conclusion: </strong>These findings demonstrate that SfHSP19.8 is essential for systemic thermotolerance across life stages and maintains reproductive function specifically under thermal challenge, while being dispensable for basal male reproduction under optimal conditions. SfHSP19.8 represents a potential target for pest control strategies in the context of future climate warming. © 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":"147809021","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}
引用次数: 0
CYP6AB328-mediated spinetoram resistance via N-demethylation in Tuta absoluta: A potential resistance monitoring marker. cyp6ab328通过n -去甲基化介导的绝对图塔spinetoram抗性:一个潜在的抗性监测标记。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-03 DOI: 10.1002/ps.70849
Jingang Xie, Furong Hai, Guorong Yan, Xiaoning Liu, Ning Liu
{"title":"CYP6AB328-mediated spinetoram resistance via N-demethylation in Tuta absoluta: A potential resistance monitoring marker.","authors":"Jingang Xie, Furong Hai, Guorong Yan, Xiaoning Liu, Ning Liu","doi":"10.1002/ps.70849","DOIUrl":"https://doi.org/10.1002/ps.70849","url":null,"abstract":"<p><strong>Background: </strong>Tuta absoluta, a major pest of solanaceous crops, has rapidly evolved resistance to spinosyn insecticides, causing significant damage to global crops. Our previous study demonstrated that CYP6AB328 plays an important role in the development of spinetoram resistance. However, the direct metabolic role of this detoxification enzyme in spinetoram metabolism remains unclear.</p><p><strong>Results: </strong>In this study, we conducted a docking analysis between CYP6AB328 and spinetoram. Our docking analysis showed a good binding affinity between CYP6AB328 and spinetoram, with an energy of less than -6.0 kcal mol<sup>-1</sup>. Metabolomic analysis showed that recombinant CYP6AB328 exhibited substantial metabolic activity toward spinetoram-J (16.62%) and spinetoram-L (12.42%), which were metabolized into two products, N-desmethyl spinetoram J and N-desmethyl spinetoram L, respectively. We also found that laboratory-selected spinetoram-resistant strain of T. absoluta displayed 34-fold cross-resistance to spinosad, but little to no cross-resistance to imidacloprid (1.26-fold), chlorantraniliprole (1.12-fold), deltamethrin (1.76-fold) and avermectin (1.34-fold. Meanwhile, the expression level of CYP6AB328 was positively correlated with spinetoram resistance across four field populations of T. absoluta.</p><p><strong>Conclusions: </strong>These findings provide valuable insights into the molecular mechanisms underlying detoxification of spinetoram and support the development of a candidate molecular marker for monitoring spinetoram resistance in the field populations, thereby contributing to improved pest management strategies. © 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":"147809035","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}
引用次数: 0
An integrated above-belowground biological control strategy against Phyllotreta striolata using entomopathogenic nematodes and fungi. 利用昆虫病原线虫和真菌防治黄曲跳甲的地上地下综合生物防治策略。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-03 DOI: 10.1002/ps.70889
Guanfeng Liu, Tong Jiang, Rui Wu, Sheng-Yen Wu
{"title":"An integrated above-belowground biological control strategy against Phyllotreta striolata using entomopathogenic nematodes and fungi.","authors":"Guanfeng Liu, Tong Jiang, Rui Wu, Sheng-Yen Wu","doi":"10.1002/ps.70889","DOIUrl":"https://doi.org/10.1002/ps.70889","url":null,"abstract":"<p><strong>Background: </strong>The striped flea beetle, Phyllotreta striolata, is a destructive pest of Brassicaceous vegetables, and its management still relies largely on chemical insecticides. The development of environmentally compatible control strategies that provide reliable field performance across pest life stages is therefore a priority. Entomopathogenic nematodes (EPNs) represent a promising alternative, but their field efficacy depends strongly on formulation, application rate, and compatibility with other biological control agents.</p><p><strong>Results: </strong>Field experiments showed that a sprayable formulation of Steinernema carpocapsae significantly reduced leaf damage and adult populations compared with an infected-cadaver formulation. Dose-response trials indicated that an application rate of 1.0 × 10<sup>8</sup> infective juveniles (IJs) per 667 m<sup>2</sup> achieved control efficacy comparable to a higher rate. Compatibility assays revealed that enhanced control was combination-specific and occurred only when EPNs were applied together with Beauveria bassiana, whereas combinations with Metarhizium anisopliae or Bacillus thuringiensis did not provide comparable improvement. Field validation further confirmed that the optimized EPN-B. bassiana treatment achieved pest suppression similar to that of a conventional chemical insecticide.</p><p><strong>Conclusions: </strong>An optimized combination of S. carpocapsae and B. bassiana provides effective field control of P. striolata by exerting complementary effects on soil-dwelling larvae and foliar-feeding adults. This study demonstrates that careful optimization of formulation, application rate, and agent compatibility is essential for achieving stable biological control under field conditions, supporting the integration of EPN-fungus strategies into practical pest management programs. © 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":"147809037","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}
引用次数: 0
Genetically-mediated responsiveness of male oriental fruit flies, Bactrocera dorsalis (Hendel), to methyl eugenol affects mating competitiveness: implications for areawide management. 雄性东方果蝇,背小实蝇(Hendel)对甲基丁香酚的遗传介导反应影响交配竞争力:对区域管理的影响。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-01 Epub Date: 2026-02-06 DOI: 10.1002/ps.70619
Mao-Nan Yeh, Ming-Chung Chiu, Wen-Jer Wu, Ju-Chun Hsu
{"title":"Genetically-mediated responsiveness of male oriental fruit flies, Bactrocera dorsalis (Hendel), to methyl eugenol affects mating competitiveness: implications for areawide management.","authors":"Mao-Nan Yeh, Ming-Chung Chiu, Wen-Jer Wu, Ju-Chun Hsu","doi":"10.1002/ps.70619","DOIUrl":"10.1002/ps.70619","url":null,"abstract":"<p><strong>Background: </strong>Methyl eugenol (ME) is widely used in the male annihilation technique (MAT) for controlling Bactrocera dorsalis. However, the emergence of ME non-responsive males in the field may threaten MAT efficacy. This study aimed to evaluate the reproductive performance of ME non-responsive males to better understand their potential impact on control strategies.</p><p><strong>Results: </strong>We assessed mating competitiveness among four male groups, including ME-responsive and ME non-responsive strains under different ME treatments. Females preferred ME-exposed and ME-fed males, with significantly longer mating durations and higher fecundity observed in the ME-exposed group. However, the highest hatching rate was found in the ME-deprived group. ME non-responsive males showed comparable mating and reproductive performance to ME-fed males.</p><p><strong>Conclusion: </strong>Our findings demonstrate that ME non-responsive males retain reproductive capacity comparable to ME-fed males and may persist in the field under MAT pressure. While ME exposure enhances male competitiveness, excessive field concentrations may inadvertently benefit males without trap entry. These insights highlight potential limitations of ME-based MAT and suggest the need to reassess its long-term efficacy in B. dorsalis management. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":"5087-5093"},"PeriodicalIF":3.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146123023","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}
引用次数: 0
Improved antibacterial activity of fluorinated tjipanazole D derivative on Xanthomonas oryzae pv. oryzae via synergistic multi-mechanism action. 氟化噻唑D衍生物对水稻黄单胞菌抑菌活性的提高。米霉通过协同多机制作用。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-01 Epub Date: 2026-02-24 DOI: 10.1002/ps.70542
Li-Jing Zhang, Bao-Qi Zhang, Jun-Xia An, Zhong-Qi Pan, Hong-Jie Liang, Yu-Chen Sun, Zhi-Jun Zhang, Ying-Qian Liu
{"title":"Improved antibacterial activity of fluorinated tjipanazole D derivative on Xanthomonas oryzae pv. oryzae via synergistic multi-mechanism action.","authors":"Li-Jing Zhang, Bao-Qi Zhang, Jun-Xia An, Zhong-Qi Pan, Hong-Jie Liang, Yu-Chen Sun, Zhi-Jun Zhang, Ying-Qian Liu","doi":"10.1002/ps.70542","DOIUrl":"10.1002/ps.70542","url":null,"abstract":"<p><strong>Background: </strong>Bacterial leaf blight caused by Xanthomonas oryzae pv. oryzae (Xoo) severely threatens global rice yields. With increasing resistance to conventional antibacterial agents, new antibacterial agents are urgently needed. This study aimed to optimize the cyanobacterial metabolite tjipanazole D to develop a derivative with enhanced antibacterial activity against Xoo and evaluate its mechanism of action.</p><p><strong>Results: </strong>Derivative Y-4-1 was successfully synthesized using a fluorination substitution strategy. This derivative Y-4-1 exhibited significantly enhanced antibacterial efficacy against Xoo (minimum inhibitory concentration = 6.25 μg/mL, compared with 100 μg/mL for tjipanazole D). Mechanistic studies revealed that Y-4-1 exerted its antibacterial effects by disrupting the cell membrane of Xoo, inhibiting xanthomonadin biosynthesis, and aggravating oxidative damage. Furthermore, biofilm formation was inhibited in a dose-dependent way by reducing the production of Xoo extracellular polymers such as exopolysaccharides and extracellular enzymes and inhibiting Xoo motility, and ultimately resulting in bacterial death. RNA sequencing and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis indicated that differentially expressed genes were significantly enriched in key pathways such as plant-pathogen interactions and ribosome biogenesis. Notably, the mechanisms regulating biofilm formation play a crucial role in mediating plant-pathogen interactions.</p><p><strong>Conclusion: </strong>These findings highlight the potential of Y-4-1 as an antibacterial agent against Xoo and provide new design ideas for the development of next-generation antibacterial agents in sustainable agriculture. However, its field control efficacy and environmental behavior still need further evaluation. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":"4104-4113"},"PeriodicalIF":3.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147281237","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}
引用次数: 0
Alcoholic extracts of Russian sage (Salvia yangii) contain bioactive terpenoids with inhibitory activity against grapevine downy mildew (Plasmopara viticola). 俄罗斯鼠尾草(Salvia yangii)酒精提取物含有生物活性萜类化合物,具有抑制葡萄霜霉病的活性。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-01 DOI: 10.1002/ps.70869
Anna Smaldone, Oscar Giovannini, Martina Magni, Michael Oberhuber, Peter Robatscher, Michele Perazzolli
{"title":"Alcoholic extracts of Russian sage (Salvia yangii) contain bioactive terpenoids with inhibitory activity against grapevine downy mildew (Plasmopara viticola).","authors":"Anna Smaldone, Oscar Giovannini, Martina Magni, Michael Oberhuber, Peter Robatscher, Michele Perazzolli","doi":"10.1002/ps.70869","DOIUrl":"https://doi.org/10.1002/ps.70869","url":null,"abstract":"<p><strong>Background: </strong>Plant extracts are promising eco-friendly alternatives to synthetic fungicides for developing sustainable plant protection strategies. Grapevine downy mildew, caused by Plasmopara viticola, is a devastating disease that requires frequent fungicide applications, making it an ideal target for plant-based products. Salvia officinalis extracts are known to reduce downy mildew severity, but little is known about the efficacy and chemical composition of other fast-growing Salvia species with low economic value. This study aimed to evaluate the efficacy of alcoholic extracts of Russian sage (Salvia yangii) against grapevine downy mildew and to annotate bioactive compounds against P. viticola.</p><p><strong>Results: </strong>Alcoholic extracts from flowers, leaves, and shoots of Russian sage decreased downy mildew severity on grapevine leaf disks. In particular, leaf and flower extracts showed efficacy comparable to that of copper-based fungicides, whereas stem extract was only partially active. Shoot extracts were fractionated by preparative liquid chromatography (LC), and the activity of the resulting fractions was assessed against P. viticola using leaf disk assays. Untargeted metabolomic analyses revealed putative terpenoids as the main components of the active fractions, as determined by gas chromatography-mass spectrometry (GC-MS) and ultra-high-pressure liquid chromatography-high resolution mass spectrometry (UHPLC-HRMS) analyses. Specifically, 7-methylrosmanol, 12-O-methylcarnosic acid, carnosic acid, and carnosol were identified as the main bioactive compounds against P. viticola.</p><p><strong>Conclusion: </strong>Russian sage represents a valuable source of bioactive compounds for sustainable plant protection. © 2026 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":""},"PeriodicalIF":3.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147809058","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}
引用次数: 0
Synthesis, antifungal activity, and mechanism of action of nicotinohydrazides bearing a biphenyl fragment as potential broad-spectrum fungicides. 含联苯片段的广谱杀菌剂烟酰肼的合成、抗真菌活性及作用机制。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-01 Epub Date: 2026-02-05 DOI: 10.1002/ps.70610
Yaru Liu, Longjian Qiu, Xinyue Lan, Yuhui Zhang, Wenxiu Xue, Lijun Wang, Shihan Yang, Yanan Yu, Aixi Hu, Jiao Ye, Zhongzhong Yan
{"title":"Synthesis, antifungal activity, and mechanism of action of nicotinohydrazides bearing a biphenyl fragment as potential broad-spectrum fungicides.","authors":"Yaru Liu, Longjian Qiu, Xinyue Lan, Yuhui Zhang, Wenxiu Xue, Lijun Wang, Shihan Yang, Yanan Yu, Aixi Hu, Jiao Ye, Zhongzhong Yan","doi":"10.1002/ps.70610","DOIUrl":"10.1002/ps.70610","url":null,"abstract":"<p><strong>Background: </strong>With increasing resistance to traditional fungicides and growing environmental concerns, it is crucial to develop novel succinate dehydrogenase inhibitors to enhance disease management and support sustainable agriculture.</p><p><strong>Results: </strong>This study systematically designed and synthesized a series of nicotinohydrazides bearing a biphenyl fragment, evaluating their antifungal activity against six plant pathogenic fungi. The results demonstrated that their fungicidal spectrum significantly surpasses boscalid and carbendazim. Utilizing a palladium-catalyzed cross-coupling strategy, combined with diazotization-reduction and dehydration condensation reactions, we successfully synthesized 35 target compounds (F1-F18, G1-G17). Antifungal assays revealed that most compounds exhibited more than 80% inhibition against the tested fungi at a concentration of 20 mg/L, particularly compound F17, which showed a half-maximal effective concentrations value ranging from 0.33 to 2.77 mg/L and achieved an efficacy of 89.94% against Sclerotinia sclerotiorum on canola leaves at a concentration of 200 mg/L. Mechanistic investigations indicated that F17 exerts its antifungal effects through multiple mechanisms, including the inhibition of succinate dehydrogenase, disruption of cell membranes and induction of oxidative damage. Toxicity predictions and cytotoxicity assays assessed the safety of this series of compounds. Density functional theory and molecular electrostatic potential analyses elucidated the reasons for the high activity of F17.</p><p><strong>Conclusion: </strong>Nicotinohydrazide derivatives exhibit a broader spectrum of antifungal activity than traditional inhibitors, and their multiple mechanisms of action provide a theoretical basis for further structural optimization and the design of novel agrochemicals. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":"4975-4989"},"PeriodicalIF":3.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146117253","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}
引用次数: 0
Elevated emissions of oviposition-induced mango volatiles mediate foraging behavior of a parasitoid wasp, Fopius arisanus. 产卵诱导的芒果挥发物的升高排放介导了拟寄生蜂的觅食行为。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-01 Epub Date: 2026-02-06 DOI: 10.1002/ps.70617
Bo Wei, Cheng-Mei Wei, Hang Liu, Tian-Yu Bi, Yang Fu, Chun Xiao, Wen-Xia Dong
{"title":"Elevated emissions of oviposition-induced mango volatiles mediate foraging behavior of a parasitoid wasp, Fopius arisanus.","authors":"Bo Wei, Cheng-Mei Wei, Hang Liu, Tian-Yu Bi, Yang Fu, Chun Xiao, Wen-Xia Dong","doi":"10.1002/ps.70617","DOIUrl":"10.1002/ps.70617","url":null,"abstract":"<p><strong>Background: </strong>The parasitoid wasp Fopius arisanus (Hymenoptera: Braconidae) is a solitary egg endoparasitoid of tephritid fruit flies. In this study, we identified the volatile released from the tree-attached mangoes without damage and with oviposition by the oriental fruit fly (Bactrocera dorsalis) in field conditions, and investigated their roles in mediating foraging behavior of this parasitoid species.</p><p><strong>Results: </strong>Ten volatile compounds released by mangoes elicited electrogram responses in antennae or ovipositors of F. arisanus. Among them, α-pinene, d-limonene, β-myrcene, (E)-β-ocimene and ethyl (E)-4-decenoate, individually as well as in a blend attracted female wasps. Likewise, β-myrcene, 3-carene, (E)-β-ocimene, terpinolene and ethyl (E)-4-decenoate, individually, and in a blend attracted male wasps. For female F. arisanus, the blend and ethyl (E)-4-decenoate are primarily detected through their antennae, whereas d-limonene and β-myrcene are mainly perceived via ovipositors. (E)-β-Ocimene appears to be detected by either the antennae or ovipositor, whereas α-pinene is sensed through both organs. Significantly more female individuals landed on the oviposition substrate treated with Blend 3 compared to the paraffin oil control, and the number of wasps exhibiting oviposition behavior was significantly higher in the treatment group during specific time intervals.</p><p><strong>Conclusion: </strong>The oviposition-induced blend of mango volatiles [α-pinene, d-limonene, β-myrcene, (E)-β-ocimene and ethyl (E)-4-decenoate] mediates the foraging behavior of female F. arisanus, and serves as a targeted attractant to enhance its field performance against Tephritidae species. © 2026 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":"5054-5062"},"PeriodicalIF":3.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146130651","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}
引用次数: 0
Using deep learning to assess the toxicological effects of sublethal exposure of a novel green pesticide in a stored-product beetle. 使用深度学习来评估一种新型绿色农药对储存产品甲虫的亚致死暴露的毒理学影响。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-01 Epub Date: 2026-02-03 DOI: 10.1002/ps.70545
Anita Casadei, Maria C Boukouvala, Gianluca Manduca, Nickolas G Kavallieratos, Filippo Maggi, Marta Ferrati, Eleonora Spinozzi, Cesare Stefanini, Antonio DeSimone, Donato Romano
{"title":"Using deep learning to assess the toxicological effects of sublethal exposure of a novel green pesticide in a stored-product beetle.","authors":"Anita Casadei, Maria C Boukouvala, Gianluca Manduca, Nickolas G Kavallieratos, Filippo Maggi, Marta Ferrati, Eleonora Spinozzi, Cesare Stefanini, Antonio DeSimone, Donato Romano","doi":"10.1002/ps.70545","DOIUrl":"10.1002/ps.70545","url":null,"abstract":"<p><strong>Background: </strong>Managing stored-grain pests requires new strategies to limit economic and health risks. This study analyses the sublethal effects of the natural compound carlina oxide on Prostephanus truncatus, providing new behavioural insights through a multidisciplinary approach. A fully automatic computer vision approach was developed to label two specific insect body parts, enabling the generation of an annotated dataset without manual intervention. This dataset was used to train a convolutional neural network (CNN) for pose estimation. A second dedicated CNN focused on the antennae to investigate neuroethological and sensory variations.</p><p><strong>Results: </strong>CNN for body parts detection achieved an average precision of 0.78, recall of 0.90, and F1 score of 0.84 on the test dataset. An additional CNN tracked key points for antennal pose estimation. Motor analysis showed that the LC<sub>30</sub> of carlina oxide reduced average speed and distance, induced altered exploratory behaviour, and affected thigmotaxis. Statistically significant features were evaluated using machine learning classifiers: random forest, support vector machine, and K-nearest neighbours. The analysis comparing control and treated groups distinguishes LC<sub>30</sub> and LC<sub>10</sub> from the control group, while SHapley Additive exPlanation (SHAP) analysis explained the features contribution to predictions.</p><p><strong>Conclusions: </strong>Metrics poorly distinguish individuals in the LC<sub>10</sub> and LC<sub>30</sub> classes, supporting the employment of lower sublethal concentration for the control of P. truncatus. However, our findings indicate possible neuroethological effects of green pesticides on sensory systems, highlighting the need for an accurate risk assessment to minimize ecosystem impacts and supporting integrated pest management within One-Health and Eco-Health frameworks. © 2026 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":"4319-4331"},"PeriodicalIF":3.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13071186/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146111734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lecanicillium aphanocladii: a biocontrol agent against insect pests and phytopathogens. 隐芽乳酸菌:一种防治害虫和植物病原体的生物制剂。
IF 3.8 1区 农林科学
Pest Management Science Pub Date : 2026-05-01 Epub Date: 2026-02-09 DOI: 10.1002/ps.70621
Qianhe Liu, Richard Johnson, Kwasi Adusei-Fosu
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