![]() The larvae finish feeding in late April and early May, burrow into the soil, and emerge two to three weeks later as the moth. When food sources run out, an "army" of larvae may move to find more food sources. Larvae tend to eat the tender blades of wheat, but often leave behind the parts that make regrowth possible. Given susceptibility to soil-borne fungi, low soil moisture may reduce fungal activity and result in more larvae making it into adulthood. The term "miller" is used for any moth that arrives in large numbers and applies to various species of the insect.įemale cutworm adults deposit 1,000-3,000 eggs on the soil surface or under dirt clods. You can have them in your lawn but that's not as common."Īs adults, moths feed on nectar and are a food source for other animals. "Sometimes you'll see army cutworm damage out of wheat and other winter annuals that are out in the field. "The army cutworm really thrives on winter annuals," Boor said. While they can damage certain crops as larvae, that is usually the exception rather than the norm. They say their fat content equals about a half-calorie per moth, so grizzly bears can eat up to 40,000 of them in a day as they're preparing over the summer for their winter hibernation."īoor said moth populations ebb and flow like most things in nature, but dry conditions may be a cause for more of the insects than usual this year. ![]() They spend the summer in the mountains, and that's where the grizzly bears will find them. ![]() ![]() "They're actually migrating up to the mountains. "That's why we're seeing all these moths," she said. The moths may not know it, but Alicia Boor, agriculture and natural resources agent in the Cottonwood District for K-State Research and Extension, said the insects are migrating to be bear food. The spring season has seen an abundance of army cutworms, more commonly called millers or moths, in central Kansas. One thing more destructive than the moth may be the cat trying to chase it. ![]()
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