Lethal ovitrap deployment for Aedes aegypti control: potential implications for non-target organisms

Long, Sharron A., Jacups, Susan P., and Ritchie, Scott A. (2015) Lethal ovitrap deployment for Aedes aegypti control: potential implications for non-target organisms. Journal of Vector Ecology, 40 (1). pp. 139-145.

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Abstract

In Australia, dengue control combines source reduction with lethal ovitraps to reduce Aedes aegypti populations during outbreaks. Lethal ovitraps are considered a sustainable and environmentally friendly method of controlling container-inhabiting mosquitoes, however, to-date, this claim has not been quantified. This study assesses the potential impact of lethal ovitraps on non-target organisms when used to control Ae. aegypti in tropical Australia. For retention of specimens, we substituted standard sticky ovitraps for lethal ovitraps. We collected 988 Ae. aegypti and 44,132 non-target specimens over 13 months from 16 sites. Although Ae. aegypti comprised only 2.2% of the total collection, they were were the eighth most dominant taxa collected, on the 93rd percentile. Of the non-target organisms, Collembola were the dominant taxa, 44.2%, with 36.8% and 10.5% Diptera and Hymenoptera, respectively. Of the Dipterans, 61% were family Phoridae. Lethal ovitraps were visited by 90 insect or invertebrate families in total. Ovitraps are attractive to Collembola, Phoridae, Sciaridae, Formicidae, and Culicidae, with minimal attraction by Apidae and other commonly monitored non-target organisms. For container-inhabiting mosquitoes, LOs are cost effective operationally, requiring minimal staff resources for placement and retrieval.

Item ID: 37190
Item Type: Article (Research - C1)
ISSN: 1948-7134
Keywords: dengue, mosquito control, Aedes aegypti, non-target organism, field trial, lethal ovitrap
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Date Deposited: 11 Feb 2015 23:22
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111708 Health and Community Services @ 20%
11 MEDICAL AND HEALTH SCIENCES > 1108 Medical Microbiology > 110803 Medical Parasitology @ 80%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920404 Disease Distribution and Transmission (incl. Surveillance and Response) @ 50%
92 HEALTH > 9202 Health and Support Services > 920204 Evaluation of Health Outcomes @ 50%
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