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1 April 2007 A Kairomone Based Attract-and-Kill System Effective Against Alfalfa Looper (Lepidoptera: Noctuidae)
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Abstract

A chemical lure derived from flowers that are visited by moths attracts male and female alfalfa loopers, Autographa californica (Speyer) (Lepidoptera: Noctuidae). This feeding attractant is dispensed from polypropylene bottles that provide controlled release for several weeks. A killing station was tested in the laboratory, in a screenhouse, and in the field in combination with this lure as an “attract-and-kill” system. Starved alfalfa looper adults (moths) were strongly attracted to the attract-and-kill station in a flight tunnel, and 90.9% of female moths and 87.6% of male moths that contacted the station died. In commercial fields of alfalfa hay, female moths captured in monitoring traps were reduced by 80–93% in plots receiving 125 attract-and-kill stations per hectare. In screenhouse trials using two attract-and-kill stations per screenhouse, oviposition on potted lettuce plants by starved female alfalfa looper moths was reduced by 98.5%. Moths were less likely to be attracted to lures when provided sugar before flight tunnel assays, and oviposition by fed moths was much less affected by attract-and-kill stations in screenhouse trials, compared with starved moths. This method has potential as a means to manage alfalfa looper populations in vegetable and other agricultural crops. However, consideration must be given to competing food and odor sources in the field.

Leonardo de A. Camelo, Peter J. Landolt, and Richard S. Zack "A Kairomone Based Attract-and-Kill System Effective Against Alfalfa Looper (Lepidoptera: Noctuidae)," Journal of Economic Entomology 100(2), 366-374, (1 April 2007). https://doi.org/10.1603/0022-0493(2007)100[366:AKBASE]2.0.CO;2
Received: 24 April 2006; Accepted: 29 October 2006; Published: 1 April 2007
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