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4 December 2019 Investigating Male Aedes aegypti (Diptera: Culicidae) Attraction to Different Oviposition Containers Using Various Configurations of the Sound Gravid Aedes Trap
Kyran M. Staunton, Barukh B. Rohde, Michael Townsend, Jianyi Liu, Mark Desnoyer, Paul Howell, Brogan Amos, Jacob Crawford, Nigel Snoad, Scott A. Ritchie
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Abstract

Aedes aegypti (Linnaeus), the primary vectors of the arboviruses dengue virus and Zika virus, continue to expand their global distributions. In efforts to better control such species, several mosquito control programs are investigating the efficacy of rearing and releasing millions of altered male Aedes throughout landscapes to reduce populations and disease transmission risk. Unfortunately, little is known about Ae. aegypti, especially male, dispersal behaviors within urban habitats. We deployed Sound-producing Gravid AedesTraps (SGATs) in Cairns, northern Australia, to investigate male Ae. aegypti attraction to various oviposition container configurations. The traps were arranged to include: 1) water only, 2) organically infused water, 3) infused water and L3 larvae, 4) infused water and a human-scented lure, and lastly 5) no water or olfactory attractant (dry). Our data suggest that males were more attracted to SGATs representing active larval sites than potential larval sites, but were equally attracted to dry SGATs relative to those containing water and/or infusion. Additionally, we found that female Ae. aegypti were equally attracted to wet SGATs, with or without infusion, but not dry ones. These results suggest that male Ae. aegypti within northern Australia are more attracted to active larval sites and equally attracted to dry containers as wet or infused ones. Additionally, female Ae. aegypti are unlikely to enter dry containers. Such findings contribute to our understanding of potentially attractive features for local and released Ae. aegypti throughout the northern Australian urban landscape.

© The Author(s) 2019. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Kyran M. Staunton, Barukh B. Rohde, Michael Townsend, Jianyi Liu, Mark Desnoyer, Paul Howell, Brogan Amos, Jacob Crawford, Nigel Snoad, and Scott A. Ritchie "Investigating Male Aedes aegypti (Diptera: Culicidae) Attraction to Different Oviposition Containers Using Various Configurations of the Sound Gravid Aedes Trap," Journal of Medical Entomology 57(3), 957-961, (4 December 2019). https://doi.org/10.1093/jme/tjz229
Received: 12 August 2019; Accepted: 5 November 2019; Published: 4 December 2019
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KEYWORDS
dengue
gravid Aedes trap
male Aedes aegypti
oviposition site
sterile insect release
Wolbachia
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