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Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Daily Overview

Session

CP20.1: Zoonoses & One Health 1 - 10 min talks
Location: Lecture Theatre 3
Session Chair: Darren Gray, QIMR Berghofer
Session Chair: Jessica Scott, James Cook University

Presentation 1

Exploring spatiotemporal shifts on mosquito diversity in Perth, Western Australia.

Ashleigh Peck¹, Alan Lymber^2,3, Siobhon Egan⁴, Amanda Ash^1,5

1: School of Medical, Molecular and Forensic Sciences, Murdoch University; 2: School of Environmental and Conservation Sciences, Murdoch University; 3: Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, Murdoch University; 4: Centre of Computational and Systems Medicine, Murdoch University; 5: Centre for Biosecurity and One Health, Murdoch University

Mosquitoes are the most significant vectors of human and animal diseases. Worldwide, there are over 3,500 extant species, each with varying ecological behaviours. Consequently, mosquito populations are dynamic, shifting over time and space. As a result, the risk of disease transmission is also dynamic, as it relies on the prevalence and abundance of known competent vectors. Therefore, understanding how mosquito populations shift is essential to accurately assess mosquito-borne disease transmission risk.

To investigate spatiotemporal effects on mosquito populations, 4,469 mosquitoes (representing 15 species) were collected from 10 locations within the Perth metropolitan area between 2022 and 2024. Climate variables (rainfall and temperature) and landscape coverage (within 2.5 km) were obtained for each location and trapping event. Generalised linear models determined the influence of spatiotemporal variables on mosquito population diversity indices (Hill’s numbers) and species abundance.

Mosquito population diversity was not significantly influenced by landscape coverage; instead, diversity was driven by climate variables. Mosquito species exhibited diverse temperature and rainfall preferences, indicating that competent vectors for endemic mosquito-borne diseases are prevalent year-round in Perth. Our findings underscore the importance of integrating climate-driven and land-use data into mosquito surveillance and control programs to improve predictions of mosquito-borne disease transmission risk.