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Control of Culex quinquefasciatus in a storm drain system in Florida using attractive toxic sugar baits

Muller, G. C., Junnila, A., Qualls, W., Revay, E. E., Kline, D. L., Allan, S., Shclein, Y., Xue, R. D.
Medical and veterinary entomology 2010 v.24 pp. 346
Culex quinquefasciatus, baits, boric acid, brown sugar, drainage systems, dyes, females, fruit juices, males, mosquito control, ponds, pupae, residential areas, stormwater sewer systems, sugars, toxicity, toxins, traps, Florida
Attractive toxic sugar baits (ATSBs) were used to control mosquitoes in the storm drains of a residential area on the outskirts of St Augustine, Florida. The drainage system was newly constructed and no mosquitoes were breeding inside it. The area covered by the storm drains was divided in half; 10 drains served as control drains and 16 drains served as experimental drains. The baits, which consisted of a mixture of brown sugar, fruit juice, green dye marker and boric acid, were presented at the entrances of the treated drains and exit traps were positioned over the drain openings and the connecting tubes leading to retention ponds. Similar baits with orange dye and without toxin were presented at the entrances of control drains. A total of 220 pupae of Culex quinquefasciatus (Diptera: Culicidae) were released in each control and toxin-treated drain, and the numbers of recovered mosquitoes were examined to determine the effectiveness of ATSBs in the storm drain system. An average of 178.2 mosquitoes exited each drain in the control area; 87.0% of these had fed on the baits and were stained orange, whereas 13.0% were unstained. In the toxin-treated drains, 83.7% of hatched females and 86.6% of hatched males were controlled by the baits.