On a suburban street with smooth lawns and trimmed bushes, Martha Chiplis' yard stands out. It's not just the wildflowers: purple wild petunia, golden lanceleaf coreopsis, hot-pink Bush's poppy mallow. It's the lemon-yellow goldfinches that snack on the seeds, the fluffy bees that feed on the blooms.
throughout the Chicago area who have participated in a four-year Field Museum research project aimed at understanding how urban areas can provide much-needed habitat for the iconic insects.
Klinger and Field Museum lead conservation ecologist Aster Hasle were among the co-authors of a 2019 study inthat found that four large metro areas, including Chicagoland, have higher amounts of milkweed than previously assumed. "Cities could provide up to one-third of the milkweed thought to be needed to stabilize the population," said Hasle.
But Eastern monarchs, which in some cases make that remarkable journey of up to 3,000 miles, have been in steep decline since the 1990s, when pesticide use in farm fields destroyed milkweed, the plant where the insect lays virtually all of its eggs. One gardener took photos of milkweed in a single plastic pot—straight from the plant store. The plant hosted a caterpillar, then a chrysalis—a green podlike structure in which a caterpillar matures into a butterfly—and then an adult butterfly."The number of caterpillars on those plants was amazing," Klinger said." can climb up 20 stories, and lay their eggs."Being a volunteer monarch monitor wasn't as easy as the researchers had hoped.
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