![]() ![]() “But once they are in your house, millers are hard to get back outside, and they can mark walls, ceilings and curtains with reddish brown ‘spots.’”Īnd Schell said that miller moths are actually beneficial in a number of ways. “They can’t bite, sting or feed on anything in the house,” Schell told Cowboy State Daily. “We estimate that 5 million moths passed through our radar's sampling plane over the course of 20 hours (five nights of movement).”īecause they are drawn to light, people have to deal with the messy, fluttery insects attracted to house lights in the evenings.īut as pesky as the insects may be, they are harmless, said University of Wyoming entomologist Scott Schell. ![]() “To estimate abundance, we sampled the airspace with a radar stationed within 1 km of an aggregation site in the GYE (Greater Yellowstone Ecosystem) during 20,” reads the scientific finding by Clare Dittemore. Recent research from Montana State University revealed the vast distances and incredible numbers of miller moths that migrate yearly to the Absaroka Mountains in northwestern Wyoming and Montana. The insect’s annual migration pattern takes it from, and returning to, the great plains in May and June. The army cutworm moth - called “miller” because of the fine scales that easily rub off the wings, reminiscent of the flour dust that covers the clothing of someone who mills grain - is a migratory noctuid, a moth that typically has dull forewings and pale or colorful hind wings. “And if somebody leaves a light on in the building, or just the accent lights on doorways and stuff, they go to the light.” “It's an older building, and it's one of the taller buildings around,” said Day. “I come in every morning, and I turn on the light and, oh my gosh, they're just all over the place,” said Cowboy State Daily meteorologist Don Day, whose office at the old airport control tower in Cheyenne is literally a beacon for the insects, which are drawn to electric light. ![]() ![]() There are some aspects of spring everyone can look forward to, like warmer weather and green hills and trees.īut most people could do without the annual migration of the Euxoa auxiliaris, or army cutworm moth - most commonly known as the miller moth. ![]()
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