Direct and Indirect Effects of Invasive vs. Native Ant-Hemipteran Mutualism: A Meta-Analysis That Supports the Mutualism Intensity Hypothesis

Mutualism can facilitate the colonization, establishment, and spread of invasive species. By modifying interactions with third parties, mutualisms can have cascading community-wide effects. Both native and invasive ants are capable of forming mutualisms with hemipteran insects, preying on non-hemipt...

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Autores principales:	Bo Wang, Min Lu, Yan-Qiong Peng, Simon T. Segar
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	invasive ant ant-hemipteran mutualism trophic cascade meta-analysis Agriculture S
Acceso en línea:	https://doaj.org/article/43138541bee54d4191718d95d5e3372d
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spelling	oai:doaj.org-article:43138541bee54d4191718d95d5e3372d2021-11-25T16:11:32ZDirect and Indirect Effects of Invasive vs. Native Ant-Hemipteran Mutualism: A Meta-Analysis That Supports the Mutualism Intensity Hypothesis10.3390/agronomy111123232073-4395https://doaj.org/article/43138541bee54d4191718d95d5e3372d2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4395/11/11/2323https://doaj.org/toc/2073-4395Mutualism can facilitate the colonization, establishment, and spread of invasive species. By modifying interactions with third parties, mutualisms can have cascading community-wide effects. Both native and invasive ants are capable of forming mutualisms with hemipteran insects, preying on non-hemipteran herbivores and indirectly affecting primary production. Comparative research on the effects of both native and invasive ant exclusions on multitrophic interactions is therefore crucial for understanding the invasive potential of ants, along with any ecological consequences that invasions may have. We performed a quantitative review of the multitrophic effects of invasive and native ants on insect–plant food webs. Herbivorous insects are the most common food source for both invasive (comprising 56% of prey species caught) and native ants (55% of the prey species caught), followed by predators (31% for invasive ants, 45% for native ants). Excluding both invasive and native ants significantly reduced hemipteran abundance, and excluding invasive ants had a greater negative impact on hemipteran abundance than native ants. Native ant predation significantly reduced herbivore abundance, but excluding invasive ants had no effect. Cascading effects of native ants on plant fitness were significantly positive, but there was no significant impact of invasive ants. These findings suggest a weak relationship between the presence of invasive ants and non-hemipteran herbivore abundance. We suggest that the hemipteran–ant mutualism could represent a ‘symbiotic invasion’. The ecological dominance of invasive ants is often facilitated by hemipteran insects. This association requires invasive ant control strategies to expand beyond ants to consider mutualists.Bo WangMin LuYan-Qiong PengSimon T. SegarMDPI AGarticleinvasive antant-hemipteran mutualismtrophic cascademeta-analysisAgricultureSENAgronomy, Vol 11, Iss 2323, p 2323 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	invasive ant ant-hemipteran mutualism trophic cascade meta-analysis Agriculture S
spellingShingle	invasive ant ant-hemipteran mutualism trophic cascade meta-analysis Agriculture S Bo Wang Min Lu Yan-Qiong Peng Simon T. Segar Direct and Indirect Effects of Invasive vs. Native Ant-Hemipteran Mutualism: A Meta-Analysis That Supports the Mutualism Intensity Hypothesis
description	Mutualism can facilitate the colonization, establishment, and spread of invasive species. By modifying interactions with third parties, mutualisms can have cascading community-wide effects. Both native and invasive ants are capable of forming mutualisms with hemipteran insects, preying on non-hemipteran herbivores and indirectly affecting primary production. Comparative research on the effects of both native and invasive ant exclusions on multitrophic interactions is therefore crucial for understanding the invasive potential of ants, along with any ecological consequences that invasions may have. We performed a quantitative review of the multitrophic effects of invasive and native ants on insect–plant food webs. Herbivorous insects are the most common food source for both invasive (comprising 56% of prey species caught) and native ants (55% of the prey species caught), followed by predators (31% for invasive ants, 45% for native ants). Excluding both invasive and native ants significantly reduced hemipteran abundance, and excluding invasive ants had a greater negative impact on hemipteran abundance than native ants. Native ant predation significantly reduced herbivore abundance, but excluding invasive ants had no effect. Cascading effects of native ants on plant fitness were significantly positive, but there was no significant impact of invasive ants. These findings suggest a weak relationship between the presence of invasive ants and non-hemipteran herbivore abundance. We suggest that the hemipteran–ant mutualism could represent a ‘symbiotic invasion’. The ecological dominance of invasive ants is often facilitated by hemipteran insects. This association requires invasive ant control strategies to expand beyond ants to consider mutualists.
format	article
author	Bo Wang Min Lu Yan-Qiong Peng Simon T. Segar
author_facet	Bo Wang Min Lu Yan-Qiong Peng Simon T. Segar
author_sort	Bo Wang
title	Direct and Indirect Effects of Invasive vs. Native Ant-Hemipteran Mutualism: A Meta-Analysis That Supports the Mutualism Intensity Hypothesis
title_short	Direct and Indirect Effects of Invasive vs. Native Ant-Hemipteran Mutualism: A Meta-Analysis That Supports the Mutualism Intensity Hypothesis
title_full	Direct and Indirect Effects of Invasive vs. Native Ant-Hemipteran Mutualism: A Meta-Analysis That Supports the Mutualism Intensity Hypothesis
title_fullStr	Direct and Indirect Effects of Invasive vs. Native Ant-Hemipteran Mutualism: A Meta-Analysis That Supports the Mutualism Intensity Hypothesis
title_full_unstemmed	Direct and Indirect Effects of Invasive vs. Native Ant-Hemipteran Mutualism: A Meta-Analysis That Supports the Mutualism Intensity Hypothesis
title_sort	direct and indirect effects of invasive vs. native ant-hemipteran mutualism: a meta-analysis that supports the mutualism intensity hypothesis
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/43138541bee54d4191718d95d5e3372d
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Direct and Indirect Effects of Invasive vs. Native Ant-Hemipteran Mutualism: A Meta-Analysis That Supports the Mutualism Intensity Hypothesis

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