![]() The capture rate of these traps can be increased by jingling keys, dog tags, rattling coins, or crumpling empty soda cans since these noises startle the moths and send them into flight. It is important to mix the water with soap or detergent as this decreases the surface tension of water and makes it more difficult for moths to escape. Miller moths, the adult stage of the army cutworm, migrate from eastern Colorado and beyond to the Front Range and eventually the mountains in spring. Traps can be made by filling buckets with soapy water and placing them under light bulbs. The hourly and daily variation of calling behavior and sex pheromone production by the female black cutworm moth, Agrotis ypsilon. Moths inside the home can be dealt with by vacuuming, trapping, or swatting. Old screens, doors, and vents should be repaired or replaced. Any cracks around doors and windows should be sealed with caulking. The western bean cutworm, Striacosta albicosta (Smith) (Lepidoptera: Noctuidae), is a native North American pest that feeds mainly on corn and dry beans. When possible, light bulbs emitting yellow light are preferable to others as insects do not see yellow light as well as other colors. Nocturnal moths like these are attracted to light, therefore minimizing the amount of light around homes will draw in fewer moths. Plants that provide shelter for these moths include cotoneaster shrubs, spruce, and pine trees. ![]() Plants frequently visited by miller moths for food include cherries, lilac, cotoneaster, horsechestnut, raspberry, Russian olive, and spirea. These moths are susceptible to few insecticides, and those that are killed will quickly be replaced by new moths as they continue migrating west to higher altitudes.Ĭertain landscapes provide more nectar and shelter for miller moths than others, which means they will naturally be more attracted to the area.
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