Field evaluation of selected traps and lures for monitoring the filarial and arbovirus vector, Aedes polynesiensis (Diptera: Culicidae), in French Polynesia

Hapairai, Limb K., Joseph, Hayley, Sang, Michel A. Cheong , Melrose, Wayne, Ritchie, Scott A., Burkot, Thomas R., Sinkins, Steven P., and Bossin, Hervé C. (2013) Field evaluation of selected traps and lures for monitoring the filarial and arbovirus vector, Aedes polynesiensis (Diptera: Culicidae), in French Polynesia. Journal of Medical Entomology, 50 (4). pp. 731-739.

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Abstract

The efficacy of the BG-Sentinel (BGS) and the BG-Mosquitito (BGM) mosquito traps for sampling populations of the important filariasis and dengue vector Aedes (Stegomyia) polynesiensis (Marks) was evaluated in French Polynesia against human bait collections (HBC) using a modified Centers for Disease Control and Prevention backpack aspirator. Traps were baited with BG-Lure (a combination of lactic acid, ammonia, and caproic acid) or carbon dioxide plus octenol (l-octen-3-ol) known as attractants to aedine mosquitoes. Mosquito sampling was conducted on two typical islands of French Polynesia: the high, volcanic island of Moorea, and the low, coral island (atoll) of Tetiaroa. Sampling efficacy was measured in a randomized Latin Square design. Production of carbon dioxide from yeast-sugar fermentation was used as an alternative source of CO₂ because supply via dry ice, gas cylinders, or propane combustion in remote tropical islands is costly and challenging. Although the BGS trap captured the greatest number of Ae. polynesiensis in both island settings, catch rates of BGS or BGM baited with either lure were not significantly different from that of HBC. On Moorea, the number of collected aedes species in the BGS trap baited with either lure was significantly greater than the BGM with BG-lure. On Tetiaroa, BGM trapping was severely hampered by damage from rats, and the traps were removed from the study. Our study confirms the efficiency, comparability, and convenience of the BGS trap, a robust and safe alternative to HBC for sampling Aedes mosquitoes in research and surveillance efforts against filariasis and arboviruses in the South Pacific.

Item ID: 29064
Item Type: Article (Research - C1)
ISSN: 1938-2928
Keywords: Aedes polynesiensis, disease vector monitoring, BG-Sentinel, BG, mosquitito, carbon dioxide
Additional Information:

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits non-commercial reuse, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

Funders: French Polynesian Government, James Cook University
Date Deposited: 28 Aug 2013 05:32
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111799 Public Health and Health Services not elsewhere classified @ 50%
06 BIOLOGICAL SCIENCES > 0605 Microbiology > 060502 Infectious Agents @ 50%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920499 Public Health (excl. Specific Population Health) not elsewhere classified @ 100%
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