Residual treatment of Aedes aegypti (Diptera: Culicidae) in containers using Pyriproxyfen slow-release granules (Sumilarv 0.5G)

Ritchie, Scott A., Paton, Chris, Buhagiar, Tamara, Webb, Garry A., and Jovic, Vladan (2013) Residual treatment of Aedes aegypti (Diptera: Culicidae) in containers using Pyriproxyfen slow-release granules (Sumilarv 0.5G). Journal of Medical Entomology, 50 (5). pp. 1169-1172.

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The residual efficacy of pyriproxyfen against Aedes aegypti (L.) was examined by treating 2-liter buckets with a range of rates of Sumilarv 0.5G (100, 10, 1, and 0.1 mg product/liter or nominal dose of 500, 50, 5, and 0.5 ppb active ingredient) under semifield conditions. Approximately every 2 wk, pupal emergence inhibition (EI) was measured by using Cairns colony Ae. aegypti. Pooled water samples from the five replicate buckets were analyzed for active pyriproxyfen by using ultra-high-pressure liquid chromatography with tandem mass spectrometry detection. A strong dose‐response in EI was exhibited, with the 0.1 mg/liter giving ≈50% EI for only the initial week, whereas the 10 and 100 mg/liter doses produced EI > 90% for 8 and 40 wk, respectively. Measurable levels of active ingredient were detected in the 100, 10, and 1 mg/liter treatments, with measured starting concentrations of just 1‐2‐1.4% of the delivered (active ingredient) dose. Pyriproxyfen was detected in the 100 mg/liter treatment through the entire course of the trial (60 wk).

Item ID: 29522
Item Type: Article (Research - C1)
ISSN: 0022-2585
Keywords: Aedes aegypti, pyriproxyfen, Sumilarv, dose-response, persistence
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This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (, which permits non-commercial reuse, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact

Date Deposited: 29 Oct 2013 00:58
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1108 Medical Microbiology > 110804 Medical Virology @ 100%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920404 Disease Distribution and Transmission (incl. Surveillance and Response) @ 100%
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