Interaction between Mutualisms: Ant-tended butterflies exploit enemy-free space provided by ant-treehopper associations

The American Naturalist
Lucas A KaminskiPaulo S Oliveira

Abstract

Although mutualisms have been intensively investigated, demonstration of indirect effects between co-occurring mutualistic systems is rare. For instance, the ecological consequences of co-occurrence of ant-tended insects on a plant have never been examined for survival effects on either trophobiont species. Here, we assess the selective pressures mediating co-occurrence of a facultative ant-tended butterfly (Parrhasius polibetes) with ant-tended treehoppers (Guayaquila xiphias) on Schefflera vinosa shrubs. We evaluated host plant selection and caterpillar survival in P. polibetes in the presence and absence of ant-treehopper associations. Paired trials revealed that butterflies preferably oviposit on branches hosting ant-tended treehoppers when they had a choice between those and branches without this interaction. Presence of ant-tended treehoppers on a branch reduced the abundance of P. polibetes' natural enemies and improved caterpillar survival in both premyrmecophylic and ant-tended phases. Thus ant-tended treehoppers create an enemy-free space on foliage that butterflies exploit to protect larval offspring. These findings connect two widely documented ant-trophobiont mutualisms and highlight the importance of considering m...Continue Reading

Citations

Feb 22, 2014·Ecology and Evolution·John D Styrsky
Aug 4, 2016·Biology Letters·Wesley DáttiloVíctor Rico-Gray
Jul 23, 2020·Scientific Reports·Iris Guedes PaivaLuís Cláudio Paterno Silveira
Dec 31, 2016·Die Naturwissenschaften·Alain DejeanBruno Corbara

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