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1 January 2012 Integration of Fly Baits, Traps, and Cords to Kill House Flies (Diptera: Muscidae) and Reduce Annoyance
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Combinations of commercial fly baits, traps, and cords were evaluated for integration into a fly management system. Imidacloprid granular and sprayable baits caused house fly, Musca domestica L., mortality at a faster rate than methomyl granular fly bait; however, the methomyl granular bait had the highest overall mortality at 24 h. Commercial fly traps had a variety of designs that resulted in differences in efficiency for retaining house flies. Among 6 commercial traps tested, the Trap n' Toss™ (Farnam Companies, Inc., Phoenix, AZ) captured the most flies, and the design was selected for our field cage studies. These cage studies with flies (~300) determined that without treated cord or attractant, fly traps captured and killed 5% of the fly population; whereas, fly traps with attractant captured and killed only 14% of the population in the first 24 h. A 46-cm cord (6 mm diam.) dipped in 2.5% imidacloprid was looped around a fly trap (identical to the Trap n' Toss), and the trap was baited with commercial fly attractant. The addition of the bait-treated cord killed 60 - 70% of flies at 24 h and 84 - 90% at 48 h. However, bait-treated fly cords used alone killed 70% of flies at 24 h and 94% at 48 h and demonstrated the relatively poor efficiency of commercial fly traps. Fly annoyance was eliminated by the high fly mortality resulting from the use of bait-treated cords. Bait-treated cords can be used to improve the efficiency of fly management programs, either in conjunction with commercial fly traps or alone.

Joseph W. Diclaro, Jeffrey C. Hertz, Ryan M. Welch, Philip G. Koehler, and Roberto M. Pereira "Integration of Fly Baits, Traps, and Cords to Kill House Flies (Diptera: Muscidae) and Reduce Annoyance," Journal of Entomological Science 47(1), 56-64, (1 January 2012).
Received: 2 June 2011; Accepted: 1 September 2011; Published: 1 January 2012

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