Prey naïveté rather than enemy release dominates the relation of an invasive spider toward a native predator

Abstract Ecosystems may suffer from the impact of invasive species. Thus, understanding the mechanisms contributing to successful invasions is fundamental for limiting the effects of invasive species. Most intuitive, the enemy release hypothesis predicts that invasive species might be more successfu...

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Main Authors: Nijat Narimanov, Kamal Hatamli, Martin H. Entling
Format: Article
Language:English
Published: Wiley 2021-08-01
Series:Ecology and Evolution
Subjects:
Online Access:https://doi.org/10.1002/ece3.7905
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author Nijat Narimanov
Kamal Hatamli
Martin H. Entling
author_facet Nijat Narimanov
Kamal Hatamli
Martin H. Entling
author_sort Nijat Narimanov
collection DOAJ
description Abstract Ecosystems may suffer from the impact of invasive species. Thus, understanding the mechanisms contributing to successful invasions is fundamental for limiting the effects of invasive species. Most intuitive, the enemy release hypothesis predicts that invasive species might be more successful in the exotic range than resident sympatric species owing to the absence of coevolution with native enemies. Here, we test the enemy release hypothesis for the invasion of Europe by the North American spider Mermessus trilobatus. We compare the susceptibility of invasive Mermessus trilobatus and a native species with similar life history to a shared predator with which both species commonly co‐occur in Europe. Contrary to our expectations, invasive Mermessus trilobatus were consumed three times more frequently by native predators than their native counterparts. Our study shows that invasive Mermessus trilobatus is more sensitive to a dominant native predator than local sympatric species. This suggests that the relation between the invasive spider and its native predator is dominated by prey naïveté rather than enemy release. Further studies investigating evolutionary and ecological processes behind the invasion success of Mermessus trilobatus, including testing natural parasites and rapid reproduction, are needed to explain its invasion success in Europe.
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spelling doaj.art-5b6583963dd2412698bbfe1de8bfca212022-12-21T18:48:31ZengWileyEcology and Evolution2045-77582021-08-011116112001120610.1002/ece3.7905Prey naïveté rather than enemy release dominates the relation of an invasive spider toward a native predatorNijat Narimanov0Kamal Hatamli1Martin H. Entling2iES Landau Institute for Environmental Sciences Department of Ecosystem Analysis University of Koblenz‐Landau LandauGermanyiES Landau Institute for Environmental Sciences Department of Ecosystem Analysis University of Koblenz‐Landau LandauGermanyiES Landau Institute for Environmental Sciences Department of Ecosystem Analysis University of Koblenz‐Landau LandauGermanyAbstract Ecosystems may suffer from the impact of invasive species. Thus, understanding the mechanisms contributing to successful invasions is fundamental for limiting the effects of invasive species. Most intuitive, the enemy release hypothesis predicts that invasive species might be more successful in the exotic range than resident sympatric species owing to the absence of coevolution with native enemies. Here, we test the enemy release hypothesis for the invasion of Europe by the North American spider Mermessus trilobatus. We compare the susceptibility of invasive Mermessus trilobatus and a native species with similar life history to a shared predator with which both species commonly co‐occur in Europe. Contrary to our expectations, invasive Mermessus trilobatus were consumed three times more frequently by native predators than their native counterparts. Our study shows that invasive Mermessus trilobatus is more sensitive to a dominant native predator than local sympatric species. This suggests that the relation between the invasive spider and its native predator is dominated by prey naïveté rather than enemy release. Further studies investigating evolutionary and ecological processes behind the invasion success of Mermessus trilobatus, including testing natural parasites and rapid reproduction, are needed to explain its invasion success in Europe.https://doi.org/10.1002/ece3.7905Araneaebiological invasionsenemy release hypothesisinvasion biologyLinyphiidaeMermessus trilobatus
spellingShingle Nijat Narimanov
Kamal Hatamli
Martin H. Entling
Prey naïveté rather than enemy release dominates the relation of an invasive spider toward a native predator
Ecology and Evolution
Araneae
biological invasions
enemy release hypothesis
invasion biology
Linyphiidae
Mermessus trilobatus
title Prey naïveté rather than enemy release dominates the relation of an invasive spider toward a native predator
title_full Prey naïveté rather than enemy release dominates the relation of an invasive spider toward a native predator
title_fullStr Prey naïveté rather than enemy release dominates the relation of an invasive spider toward a native predator
title_full_unstemmed Prey naïveté rather than enemy release dominates the relation of an invasive spider toward a native predator
title_short Prey naïveté rather than enemy release dominates the relation of an invasive spider toward a native predator
title_sort prey naivete rather than enemy release dominates the relation of an invasive spider toward a native predator
topic Araneae
biological invasions
enemy release hypothesis
invasion biology
Linyphiidae
Mermessus trilobatus
url https://doi.org/10.1002/ece3.7905
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