Subsoil drain sumps are a key container for Aedes aegypti in Cairns, Australia

Montgomery, Brian L., Ritchie, Scott A., Hart, Alistair J., Long, Sharron A., and Walsh, Ian D. (2004) Subsoil drain sumps are a key container for Aedes aegypti in Cairns, Australia. Journal of the American Mosquito Control Association, 20 (4). pp. 365-369.

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Abstract

The contribution of subterranean drain sumps to pupal and adult populations of Aedes aegypti is reported for the 1st time in Cairns, Australia. Pupal surveys were used to quantify the relative contribution of drain sumps to the total population of Ae. aegypti by concurrent survey of sump and water-bearing containers in yards of inner-city premises. A total of 854 mosquito pupae were collected, predominantly Ae. aegypti and Culex quinquefasciatus (26.3 and 69.8%, respectively). Drain sumps provided a relatively uncommon (n = 4) but productive source for pupal Ae. aegypti, producing 14.7% of the combined yard and drain sump population. Drain sumps in inner-city Cairns most commonly occurred in parking lots (52.6%). Subsequently, a sticky emergent adult trap (SEAT) was developed to provide a pragmatic method to assess production of Ae. aegypti by drain sumps. A total of 866 adult mosquitoes were trapped from 162 drain sumps over a 48-h exposure period, comprising Ae. aegypti and Cx. quinquefasciatus (21 and 79%, respectively). Advantages of the SEAT are an ability to rapidly count, identify, and sex mosquitoes and to provide specimens for molecular analysis where necessary. The treatment of water-bearing drain sumps is a critical element of control campaigns against Ae. aegypti.

Item ID: 6700
Item Type: Article (Research - C1)
ISSN: 1943-6270
Keywords: Aedes aegypti; breeding sites; Cairns; drains; dengue; surveillance; sticky trap; Australia
Date Deposited: 25 Mar 2010 00:47
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111705 Environmental and Occupational Health and Safety @ 100%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920405 Environmental Health @ 40%
92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920404 Disease Distribution and Transmission (incl. Surveillance and Response) @ 30%
92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920109 Infectious Diseases @ 30%
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