Mechanisms of collateral damage: heterospecific neighbor density mediates parasitism by eavesdroppers on hourglass treefrogs

Ruether, Brian F.; Brady, Meghan J.; Derick, Taylor L.; Dula, Brendan T.; Smith, Sarah A.R.; Trillo, Paula A.

doi:10.1080/03949370.2021.1975313

Cited by 2 publications

(1 citation statement)

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“…The effect of incurring higher vector attack risk by calling next to a more attractive signaller was termed ‘collateral damage’ (figure 1 b ). The level of collateral damage for hourglass treefrogs depends on the relative abundance of túngara frogs in the assemblage [78]. Thus, the relative abundance of species highly attractive to cue-oriented vectors and parasites in mixed-species assemblages may influence risk for less attractive species.…”

Section: Case Study: Mixed-species Frog Choruses and Eavesdropping Ve...mentioning

confidence: 99%

Mixed-species assemblages and disease: the importance of differential vector and parasite attraction in transmission dynamics

Trillo

Bernal

Hall

2023

Phil. Trans. R. Soc. B

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Individuals from multiple species often aggregate at resources, group to facilitate defense and foraging, or are brought together by human activity. While it is well-documented that host-seeking disease vectors and parasites show biases in their responses to cues from different hosts, the influence of mixed-species assemblages on disease dynamics has received limited attention. Here, we synthesize relevant research in host-specific vector and parasite bias. To better understand how vector and parasite biases influence infection, we provide a conceptual framework describing cue-oriented vector and parasite host-seeking behaviour as a two-stage process that encompasses attraction of these enemies to the assemblage and their choice of hosts once at the assemblage. We illustrate this framework, developing a case study of mixed-species frog assemblages, where frog-biting midges transmit trypanosomes. Finally, we present a mathematical model that investigates how host species composition and asymmetries in vector attraction modulate transmission dynamics in mixed-species assemblages. We argue that differential attraction of vectors by hosts can have important consequences for disease transmission within mixed-species assemblages, with implications for wildlife conservation and zoonotic disease. This article is part of the theme issue ‘Mixed-species groups and aggregations: shaping ecological and behavioural patterns and processes’.

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Section: Case Study: Mixed-species Frog Choruses and Eavesdropping Ve...mentioning

confidence: 99%