Long-Term Coexistence of Two Invasive Vespid Wasps in NW Patagonia (Argentina)

Long-Term Coexistence of Two Invasive Vespid Wasps in NW Patagonia (Argentina) | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Long-Term Coexistence of Two Invasive Vespid Wasps in NW Patagonia (Argentina) Ana Julia Pereira, Maité Masciocchi, Juan Carlos Corley This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-1020520/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 4 You are reading this latest preprint version Abstract In Patagonia (Argentina) two non-native vespid wasps became established in the last decades. Vespula germanica was first detected in 1980 while V. vulgaris arrived some 30 years later. Both species can have a strong negative impact on agriculture, natural environment and on outdoor human activities. Invasion success -the establishment and spread of a species- may be influenced negatively by the degree of interaction with the resident native community, and alien species already present. The sequential arrival of these two wasps allows us to understand key questions of invasion ecology. Additionally, recognizing the outcome of the invasion by vespids in Patagonia -a region lacking native social wasps-, may help plan species-focused mitigation and control strategies. We explored long term species coexistence through the deterministic Lotka-Volterra competition model, using site-specific field data on prey captured (to estimate niche overlap) and current nest densities in sites. Food items carried by workers were similar but there is some degree of segregation. V. germanica nest density in shared sites, and in sites without coexistence, were 3.14 and 3.5 respectively, being higher for V. vulgaris with 4.71 and 5.33. The model predicts stable co-existence of both species in the invaded range, yet a higher abundance of V. vulgaris should be expected. Added to evidence on other foraging behavioral attributes of both wasp species and the invasion patterns observed in other regions, it is likely that the prior presence of V. germanica does not contribute significantly to the biotic resistance of the invaded range for V. vulgaris Behavioral Ecology Agricultural Economics & Policy Vespula germanica Vespula vulgaris biotic resistance biological invasion Lotka-Volterr Full Text Cite Share Download PDF Status: Under Review Version 1 posted Reviews received at journal 30 Nov, 2021 Reviewers invited by journal 26 Nov, 2021 Editor assigned by journal 27 Oct, 2021 First submitted to journal 26 Oct, 2021 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-1020520","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":66196674,"identity":"2a71ade0-5cec-41a8-883a-6c2a206ad2d0","order_by":0,"name":"Ana Julia Pereira","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAABCUlEQVRIiWNgGAWjYJACA4YCCQYG9uaDDxgYDhCrxQCohedYsgHRWkCaGBgkctQkiNLCP7v5QTGPgYU8A88Ztmqemjty/AzMDx/dYLDLx6VF4s4xA2MeAwnDBvbeY7d5jj0zlmxgMzbOYUi2bMCl50YCWAtjA8+5tNs8bIcTNxzgYZPOYWA2wKVD/kb6B5AW+waJHLNinn9wLfU4tRjcyAHbkgjSwszbBtdyGKcWwxs5BYZzDCSSG4CBLDm377CxZDPILwbHcWqRu5G+zeBNRZ1tAzAqP7z5dliOn7354eOcimqcWoCADSxpf4CBgYkHxGIGOxiPBqCSBzAW4w+8CkfBKBgFo2CkAgAxplAvc32YCQAAAABJRU5ErkJggg==","orcid":"https://orcid.org/0000-0001-9888-4470","institution":"CONICET: Consejo Nacional de Investigaciones Cientificas y Tecnicas","correspondingAuthor":true,"submittingAuthor":false,"prefix":"","firstName":"Ana","middleName":"Julia","lastName":"Pereira","suffix":""},{"id":66196675,"identity":"34d5ed3e-4037-4833-b80a-7c685137b2ca","order_by":1,"name":"Maité Masciocchi","email":"","orcid":"","institution":"CONICET Patagonia Norte","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Maité","middleName":"","lastName":"Masciocchi","suffix":""},{"id":66196676,"identity":"8da6d071-27f4-4c5f-83bc-07379cede852","order_by":2,"name":"Juan Carlos Corley","email":"","orcid":"","institution":"CONICET Patagonia Norte","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Juan","middleName":"Carlos","lastName":"Corley","suffix":""}],"badges":[],"createdAt":"2021-10-26 13:45:21","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-1020520/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-1020520/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":15973573,"identity":"282bf830-807e-4714-9d67-5ed86cf31685","added_by":"auto","created_at":"2021-11-29 16:31:10","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":457205,"visible":true,"origin":"","legend":"","description":"","filename":"Pereiraetal.pdf","url":"https://assets-eu.researchsquare.com/files/rs-1020520/v1_covered.pdf"}],"financialInterests":"","formattedTitle":"\u003cp\u003eLong-Term Coexistence of Two Invasive Vespid Wasps in NW Patagonia (Argentina)\u003c/p\u003e","fulltext":[{"header":"Full Text","content":"This preprint is available for \u003ca href='/article/rs-1020520/latest.pdf' target='_blank'\u003edownload as a PDF\u003c/a\u003e."}],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":true,"isPdf":false,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"oecologia","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"oeco","sideBox":"Learn more about [Oecologia](https://www.springer.com/journal/442)","snPcode":"442","submissionUrl":"https://submission.nature.com/new-submission/442/3","title":"Oecologia","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"em","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false},"keywords":"Vespula germanica, Vespula vulgaris, biotic resistance, biological invasion, Lotka-Volterr","lastPublishedDoi":"10.21203/rs.3.rs-1020520/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-1020520/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"In Patagonia (Argentina) two non-native vespid wasps became established in the last decades. 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V. germanica nest density in shared sites, and in sites without coexistence, were 3.14 and 3.5 respectively, being higher for V. vulgaris with 4.71 and 5.33. The model predicts stable co-existence of both species in the invaded range, yet a higher abundance of V. vulgaris should be expected. 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