Stefano Bedini, Fabio Marino, Priscilla Farina, Onofrio Marco Pistillo, Ilaria D’Isita, Roberto Rizzo, Sonia Ganassi, Filippo Maggi, Elisabetta Gargani, Angelo Canale, Andrea Lucchi, Pio Federico Roversi, Antonio De Cristofaro, Nicolas Desneux, Giacinto Salvatore Germinara, Giovanni Benelli
{"title":"Botanical products for managing Philaenus spumarius, vector of Xylella fastidiosa subspecies pauca","authors":"Stefano Bedini, Fabio Marino, Priscilla Farina, Onofrio Marco Pistillo, Ilaria D’Isita, Roberto Rizzo, Sonia Ganassi, Filippo Maggi, Elisabetta Gargani, Angelo Canale, Andrea Lucchi, Pio Federico Roversi, Antonio De Cristofaro, Nicolas Desneux, Giacinto Salvatore Germinara, Giovanni Benelli","doi":"10.1007/s10340-025-01871-9","DOIUrl":"https://doi.org/10.1007/s10340-025-01871-9","url":null,"abstract":"<p><i>Xylella fastidiosa</i>, a notorious bacterial plant pathogen with a broad host range, has recently emerged as a significant threat to olive trees worldwide, causing the Olive Quick Decline Syndrome (OQDS). This disease severely affects olive production and leads to the death of the plants, causing significant economic losses and dramatic changes in the landscape. To date, no determined control strategies have been identified to fight the OQDS. Since the pathogen is an obligate host of some species of spittlebugs, managing the insect vectors themselves may be an effective approach for limiting OQDS. For that, plant-based products, due to their low toxicity to non-target organisms and minimal adverse effects on the environment, have gained significant interest as tools to tackle the diffusion of OQDS through <i>X. fastidiosa</i> insect vector management. Ongoing studies are exploring the role of plant secondary metabolites as infochemicals in insect–host plant interactions. Some of these focus on essential oils, plant extracts, and their major constituents, examining their potential role as toxic or attractive/repellent active ingredients against insects. These compounds are being evaluated as bioinsecticides or in semiochemical-based control strategies (e.g. mass trapping, push–pull, attract-and-kill) potentially relevant for monitoring and controlling the meadow spittlebug <i>Philaenus spumarius</i> (L.), the primary vector of <i>X. fastidiosa</i> subspecies <i>pauca</i>. In this scenario, our review offers an analysis of the current state of research on botanical products applied as toxicants or behaviour-modifying tools towards <i>P. spumarius</i>, highlighting emerging developments, innovative technologies, and recent breakthroughs.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"3 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143462908","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}
Valeria Zeni, Renato Ricciardi, Alberto Masoni, Giacomo Santini, Filippo Di Giovanni, Christian Frasconi, Andrea Lucchi, Angelo Canale, Eleonora Spinozzi, Filippo Maggi, Nicolas Desneux, Giovanni Benelli, Giulia Giunti
{"title":"Pimpinella anisum essential oil and trans-anethole activity against key insect pests and non-target ants","authors":"Valeria Zeni, Renato Ricciardi, Alberto Masoni, Giacomo Santini, Filippo Di Giovanni, Christian Frasconi, Andrea Lucchi, Angelo Canale, Eleonora Spinozzi, Filippo Maggi, Nicolas Desneux, Giovanni Benelli, Giulia Giunti","doi":"10.1007/s10340-024-01842-6","DOIUrl":"https://doi.org/10.1007/s10340-024-01842-6","url":null,"abstract":"<p>Pest control has faced several challenges during the last decades, increasing research about innovative ecofriendly bioinsecticides to replace and integrate the conventional strategies. In this scenario, botanical extracts are promising substances for pest management. In this study, we developed a novel small-scale sprayer for precision application of botanical insecticides on plant material; the insecticidal activity of the essential oil (EO) from cultivated aniseed, <i>Pimpinella anisum</i> L., and its main constituent <i>trans</i>-anethole (> 95% of the whole composition) was tested against three key polyphagous pests of fruit crops, as well as toward a non-target ant species, <i>Crematogaster scutellaris</i> (Olivier)<i>.</i> Both the EO and its main constituent were effective against <i>Lobesia botrana</i> (Denis & Schiffermüller) larvae, as well as against <i>Ceratitis capitata</i> (Wiedemann) adults in ingestion toxicity trials. However, <i>C. capitata</i> (LC<sub>50</sub> 0.97 and 0.80 µL/mL for EO and <i>trans</i>-anethole, respectively) was more susceptible than <i>L. botrana</i> (LC<sub>50</sub> 38.71 and 24.16 µL/mL for EO and <i>trans</i>-anethole, respectively). Furthermore, both the EO and <i>trans</i>-anethole tested at 45 μL/mL had a high antifeedant effect (> 80%) on <i>Spodoptera littoralis</i> (Boisduval) larvae. From a non-target point of view, <i>P. anisum</i> EO caused moderate lethality on <i>C. scutellaris</i> ants, with significant reduction of survival after 96 h at the highest tested concentration. Overall, aniseed EO could represent a valuable bioinsecticide which could be used in the field at low concentration for organic management of polyphagous crop pests.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"50 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143462906","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}
Guadalupe López-Isasmendi, Cristina Renata Machado-Assefh, María Guadalupe Reyes, María Laura Uriburu, Adriana Elisabet Alvarez
{"title":"Aphicidal and antifeedant activity of Synandrospadix vermitoxicus extracts against Myzus persicae on potato plants","authors":"Guadalupe López-Isasmendi, Cristina Renata Machado-Assefh, María Guadalupe Reyes, María Laura Uriburu, Adriana Elisabet Alvarez","doi":"10.1007/s10340-024-01849-z","DOIUrl":"https://doi.org/10.1007/s10340-024-01849-z","url":null,"abstract":"<p>Potato crops are kept virus-free by controlling aphid vectors through control schemes that require multiple treatments with insecticides. The aphid <i>Myzus persicae</i> has developed different mechanisms of resistance to insecticides, and there is a growing need of sources for new, more efficient insecticides. <i>Synandrospadix vermitoxicus</i> (Griseb.) Engl.—an Araceae family native to the northwestern region of Argentina, Paraguay, and Bolivia—has been locally described as having insecticidal properties against insect larvae and could be a potential source of new natural insecticides against aphids. We tested the antifeedant and aphicidal effects of two extracts from the tubers of <i>S. vermitoxicus</i>, ethanolic and hexanic, on <i>M. persicae</i>. We treated potato leaves with the extracts to assess their antifeedant effect by measuring host preference changes in <i>M. persicae</i>. Then, we evaluated its aphicidal effect by offering the extracts to aphids through artificial diets, and we tested the aphid probing behavior by electrical penetration graph. We also analyzed the extracts for the main classes of secondary metabolites. We found that both extracts have antifeedant effects, with the hexanic being the strongest, and aphid probing behavior was accordingly affected on leaves treated with hexanic extract. While the ethanolic extract affected the survival of aphids fed on artificial diets, the hexanic extract did not. The analysis of <i>S. vermitoxicus</i> extracts shows an array of flavonoids and triterpenoids compounds. Our results show that the tubers of this plant could be a source for a novel product with potential use on the control of <i>M. persicae</i> on potato crops.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"3 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143462907","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":"Urban and agricultural areas under threat of the termite pest genus Heterotermes: insights from species distribution modelling and phylogeny","authors":"Edouard Duquesne, Denis Fournier","doi":"10.1007/s10340-025-01866-6","DOIUrl":"https://doi.org/10.1007/s10340-025-01866-6","url":null,"abstract":"<p>Termites, particularly those of the genus <i>Heterotermes</i>, are significant pests impacting urban and agricultural environments worldwide. Despite their impact, the distribution of <i>Heterotermes</i> has been largely overlooked. Our study aims to predict the potential distribution of 15 <i>Heterotermes</i> species by integrating bioclimatic, land-use, connectivity, soil and elevation variables into species distribution models (SDMs). These models project habitat suitability under three Shared Socioeconomic Pathways (SSP1-2.6, SSP2-4.5, SSP5-8.5) for short-term (2021–2040), mid-term (2041–2060) and long-term (2061–2080) scenarios. Our results underscore the critical influence of temperature, connectivity and soil moisture on termite distribution, revealing potential expansions into new regions due to climate change. Most parts of the Neotropics and Australia could become suitable for at least one species. Our study also examines the efficacy of incorporating phylogenetic data into SDMs, demonstrating its enhanced reliability for predicting distributions of co-occurring species, though its effectiveness diminishes for geographically isolated ones. Future projections indicate significant range shifts due to increased urbanization, agriculture expansion and climate change. Neotropical species are likely to face habitat reductions, especially in South American forests, while several Australian and major structural pest species may expand their range. Currently, densely populated cities in the Neotropics, the south-western US, Australia and South Asia could be within the range of one to five <i>Heterotermes</i> species. In agricultural areas, Australia and the Neotropics—both heavily reliant on agriculture—are highly vulnerable, and this vulnerability is expected to worsen as more land is converted to agricultural use.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"10 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143435029","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}
Sofia V. Prieto, Gonzalo A. Avila, Barbara Lima, Elena Gonella, Alberto Alma
{"title":"Assessment of symbiont-targeted control on non-target stink bugs and their associated egg parasitoids: Could this technique be suitable against Halyomorpha halys in New Zealand?","authors":"Sofia V. Prieto, Gonzalo A. Avila, Barbara Lima, Elena Gonella, Alberto Alma","doi":"10.1007/s10340-025-01875-5","DOIUrl":"https://doi.org/10.1007/s10340-025-01875-5","url":null,"abstract":"<p>The potential arrival of <i>Halyomorpha halys</i> in New Zealand jeopardizes a vast range of crops. Therefore, different preparedness strategies are being assessed before its arrival. A symbiont-targeted control strategy might be used along with other control tactics such as biological control. Prior its implementation, it is necessary to assess its potential impact on non-target stink bug species and their associated egg parasitoids. In this study, the effect of symbiont-targeted control was evaluated on three stink bug species in New Zealand, <i>Oechalia schellenbergii</i> (a native predatory species), <i>Nezara viridula</i> (a cosmopolitan pest) and <i>Monteithiella humeralis</i> (a non-pest adventive species). The interference of anti-symbiont treatment of egg masses with their associated <i>Trissolcus</i> egg parasitoids, namely <i>T. basalis</i> and <i>T. oenone</i>, was also tested. A variable response to symbiont elimination was observed in stink bug species, with <i>N. viridula</i> and <i>M. humeralis</i> undergoing high mortality and no negative effect detected for <i>O. schellenbergii</i>. Parasitism of <i>N. viridula</i> by <i>T. basalis</i> declined on egg masses treated with an anti-symbiont biocomplex or water. Similar results were obtained for <i>T. oenone</i> parasitizing eggs of <i>M. humeralis</i>; while, a parasitism increase was observed for <i>O. schellenbergii</i> egg masses exposed to anti-symbiont treatment and treated with water. These results confirm previous evidence of species-specific response to anti-symbiont control and indicate a moderate and variable effect on egg parasitism. Such responses suggest that symbiont-targeted control would not significantly interfere with the native insect communities that may interact with <i>H. halys</i>, encouraging the future incorporation of symbiont-targeted control in pest management programs.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"47 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143418555","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}
Hongyu Sun, Jacob C. Douma, Martijn F. Schenk, Wopke van der Werf
{"title":"Comparing inward and outward strategies for delimiting non-native plant pest outbreaks","authors":"Hongyu Sun, Jacob C. Douma, Martijn F. Schenk, Wopke van der Werf","doi":"10.1007/s10340-024-01859-x","DOIUrl":"https://doi.org/10.1007/s10340-024-01859-x","url":null,"abstract":"<p>The delimitation of outbreaks is an essential step in the containment and eradication of non-native plant pests. Outbreaks are habitually delimited by sampling around the initial finding, moving away from this locus in several directions as long as infestations are found (outward strategy). An alternative, inward, strategy would entail starting delimitation with an initial estimate of the location of the frontier and then sampling inward until the first infestations are found or outward until no more infestations are found. We used individual-based modelling to compare the effectiveness and sampling effort of the two strategies. Both successfully contained > 99% of infested plants within the delimited zone. Yet, both had a low probability (< 15%) of containing all the infested plants within the delimited zone. The number of samples of the inward strategy depended greatly on the size of the initially hypothesized infested zone. Best performance of this strategy was obtained with an accurate initial estimate of the infested zone width, while sample size increased strongly when the estimated frontier was far beyond the true location of the frontier. Consequently, the outward strategy uses fewer samples on average than the inward strategy when the position of the frontier is uncertain. Both strategies were prone to error when delimiting outbreaks caused by pests with fat-tailed dispersal. Whether the inward or outward strategy is more effective depends on the certainty about the true position of the leading frontier of the outbreak. Possibilities are discussed for maximizing the cost-effectiveness of sampling for outbreak delimitation.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"23 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143375434","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}
Chen Zhang, Jiayan Shen, Ruoyun Lan, Jiaying Xu, Tingting Ma, Bin Tang, Shigui Wang
{"title":"Target of rapamycin (TOR) is necessary for the blood digestion and reproduction of Aedes albopictus","authors":"Chen Zhang, Jiayan Shen, Ruoyun Lan, Jiaying Xu, Tingting Ma, Bin Tang, Shigui Wang","doi":"10.1007/s10340-024-01862-2","DOIUrl":"https://doi.org/10.1007/s10340-024-01862-2","url":null,"abstract":"<p><i>Aedes albopictus</i> transmits the virus through repeated blood feeding behavior and can also vertically transmit the virus to its offspring. In this study, we analyzed the expression of the <i>TOR</i> gene in <i>Ae. albopictus</i> and found that it was highest in female mosquitoes 24 h after feeding, particularly in the head and thorax. Then, we used to feed method to silence the <i>TOR</i> gene of female mosquitoes and make them suck blood. Silencing <i>TOR</i> resulted in downregulation of amino acid transporter genes <i>SLC7A5</i> and <i>SLC3A2</i>, as well as regulatory intermediates <i>Rheb</i> and <i>Frizzled-2</i> in other signaling pathways. In terms of midgut blood digestion, silencing <i>TOR</i> led to reduced glucose metabolism while affecting trypsin (TRY) and chymotrypsin (CHY) enzymes involved in midgut blood digestion, thereby delaying the process. Regarding reproduction, silencing <i>TOR</i> resulted in decreased expression levels of <i>Vitellogenin 2 </i>(<i>Vg2</i>) and <i>Vg3</i> gene, leading to reduced Vg content in the ovary. Additionally, downstream protein synthesis-related genes <i>4E-binding protein</i> (<i>4E-BP</i>) and <i>S6 kinase</i> (<i>S6K</i>) within the TOR pathway were affected. Although there were no significant changes observed in egg number or diameter, ovarian development cycle delay occurred along with signs of desiccation and shrinkage in some eggs. Moreover, both egg weight and hatching rate showed a significant decrease. The experimental results suggest that <i>TOR</i> regulates the blood digestion and reproduction process of <i>A. albopictus</i> by influencing post-vampire protease activity and protein synthesis, such as Vg. This provides a theoretical foundation for developing cost-effective and large-scale prevention and control measures for <i>A. albopictus</i>.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"26 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143375463","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}
Ramalingam Karthik Raja, Seetharaman Prabu Kumar, Govindasamy Balasubramani, Chellappa Sankaranarayanan, Bo Liu, Selcuk Hazir, Mathiyazhagan Narayanan
{"title":"An updated review on green synthesized nanoparticles to control insect pests","authors":"Ramalingam Karthik Raja, Seetharaman Prabu Kumar, Govindasamy Balasubramani, Chellappa Sankaranarayanan, Bo Liu, Selcuk Hazir, Mathiyazhagan Narayanan","doi":"10.1007/s10340-024-01863-1","DOIUrl":"https://doi.org/10.1007/s10340-024-01863-1","url":null,"abstract":"<p>Excessive chemical pesticide use has had harmful implications for the environment, animals and humans. Insect resistance has substantially resulted in reduced pesticide efficiency. Global experts are striving to diminish the use of harmful pesticides for pest and pathogen control by adopting eco-friendly methods. Nanotechnology, a recent breakthrough, holds significant promise in addressing these challenges and providing safer environmental alternatives. Nanotechnology applications in sustainable agriculture have tremendous potential in insect pest management with controlled and targeted release mechanisms as smaller sizes of the nanoparticles ensure the proper spread on the pest surface, which results in better action. Biological synthesis of these nanoparticles from plant parts and microorganisms is a valuable alternative to chemical approaches. Nanotechnology is used in formulating nano-based pesticides such as nanosuspensions, nanocapsules and nanoclays. In addition, some nanoparticles are used as pesticides alone. This review covers the significance of bio-nano-insecticides, their synthesis, and formulations as modern pesticides. Additionally, it highlights the previously less-explored impact of nanoparticles on mosquito larvae. The study also encompasses nanopesticide formulation, delivery, mode of action, and effects on non-target species. Furthermore, difficulties and limitations must be resolved and investigated in order to evaluate the laboratory results of nanoparticle application for commercialization. This review also discusses the challenges and limitations hindering the commercialization of nanoparticle applications in insect control. Addressing these challenges is essential to ensure the successful translation of laboratory results into practical and effective pest management solutions.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"79 3 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143371634","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}
Jonathan Willow, Triin Kallavus, Éricmar Avila Dos Santos, Silva Vilumets, Clauvis Nji Tizi Taning, Gaëlle Asseman, Ana Isabel Silva, Margret Jürison, Riina Kaasik, Liina Soonvald, Kristof De Schutter, Guy Smagghe, Eve Veromann
{"title":"First insights towards RNAi-based management of the pollen beetle Brassicogethes viridescens, with risk assessment against model non-target pollinator and biocontrol insects","authors":"Jonathan Willow, Triin Kallavus, Éricmar Avila Dos Santos, Silva Vilumets, Clauvis Nji Tizi Taning, Gaëlle Asseman, Ana Isabel Silva, Margret Jürison, Riina Kaasik, Liina Soonvald, Kristof De Schutter, Guy Smagghe, Eve Veromann","doi":"10.1007/s10340-025-01873-7","DOIUrl":"https://doi.org/10.1007/s10340-025-01873-7","url":null,"abstract":"<p>The pollen beetle <i>Brassicogethes viridescens</i> has become an invasive pest to rapeseed crops in North America, especially Canada, the world’s most prolific grower of rapeseed. The use of conventional insecticides to control <i>Brassicogethes</i> spp. can lead to substantial insecticide resistance development in target pest populations and detrimental effects on non-target organisms in and around rapeseed crops. Therefore, economically and ecologically sustainable alternatives to conventional insecticides must be explored. Given the continued increases in production efficacy- and the nucleotide sequence-specific mode of action of dsRNA pesticide products, RNA pesticides represent a potential tool for use within the management of <i>B. viridescens</i>. We examined the insecticidal efficacy of dsRNA against <i>B. viridescens</i>, using transcripts of its intragenus relative <i>Brassicogethes aeneus</i> as a template for dsRNA design. In <i>B. viridescens</i>, we observed similar sensitivities to dsRNA compared to <i>B. aeneus</i>. Furthermore, survival assays using three model non-target species suggest highly selective insecticidal activity of the dsRNAs. Finally, we generated the first transcriptome draft for <i>B. viridescens</i>, which provides valuable information for future management needs against this pest species. Given these first insights towards sustainable RNAi-based management of <i>B. viridescens</i>, further work (different exposure methods, semi-field larval studies) is needed to develop RNAi-based approaches to managing <i>B. viridescens</i> in both European and North American rapeseed systems.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"85 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143367667","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}
Laura A. Reeves, Tim Belien, Deepa Senapathi, Michael P. D. Garratt, Michelle T. Fountain
{"title":"Exploring climate-driven phenological mismatches in pears, pests and natural enemies: a multi-model approach","authors":"Laura A. Reeves, Tim Belien, Deepa Senapathi, Michael P. D. Garratt, Michelle T. Fountain","doi":"10.1007/s10340-025-01874-6","DOIUrl":"https://doi.org/10.1007/s10340-025-01874-6","url":null,"abstract":"<p>Pear psyllid (<i>Cacopsylla pyri</i>) is the dominant pest of UK pear orchards, with an estimated cost of £5 million per annum. Insecticide withdrawal and increased pesticide resistance of <i>C. pyri</i> have led many growers to depend more on natural enemies for pest management, including earwigs. However, there is concern how phenological events may shift with future climate change, which may result in phenological mismatches. This study aimed to determine shifts in timing of phenological events within an agroecosystem and predict phenological mismatches or synchronies between trophic levels. We evaluated three models: the <i>C. pyri</i> phenology model, the earwig degree day model and the PhenoFlex model (flowering time). Phenological events predicted by models included: first, full and last flowering time for <i>Pyrus communis</i>; peak psyllid abundance date for first-generation (G1) <i>C. pyri</i> nymphs and second-generation (G2) eggs, nymphs and adults; and peak abundance date for stage 4 <i>Forficula auricularia</i> and adults. Findings indicated that the timing of phenological events was advancing for all trophic levels, becoming significantly earlier under the current time period. Furthermore, predictions indicated that timing events would continue to advance under the RCP8.5 scenario. However, not all phenological events advanced at the same rate; the date of peak <i>C. pyri</i> G1 nymph abundance advanced at a higher rate than full flowering time, which could result in a phenological mismatch by 2071. Conversely, <i>C. pyri</i> and <i>F. auricularia</i> showed phenological synchrony, with peak abundance dates advancing at a similar rate, which could be beneficial for future biological control.</p>","PeriodicalId":16736,"journal":{"name":"Journal of Pest Science","volume":"40 1","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143191734","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}