Most scientists say lots of factors, not just one, caused the apparent decline in flying insects. "We just need to find out how widespread the phenomenon is." The Suspects "It's clearly not a German thing," said University of Connecticut entomologist David Wagner, who has chronicled declines in moth populations in the northeastern United States. For many people across the U.S., fireflies (or lightning bugs, depending on where you live) are one of the most cherished insects, with their beautiful flickering light displays on summer. Watch A Shark Come Out Of Nowhere To Grab An Australian Kid While Swimming. Firefly Quiz - Only The Top 1 Can Ace our Animal Quizzes. He studied flies in a few spots in remote Greenland and noticed an 80 percent drop in numbers since 1996. Are Fireflies (Lightning Bugs) Endangered or Extinct Here’s When to Expect Fireflies to Light Up Your Yard This Summer More from A-Z Animals. One study estimated a 14 percent decline in ladybugs in the United States and. Individual studies aren't convincing in themselves, "but the sheer accumulated weight of evidence seems to be shifting" to show a problem, she said.Īfter the German study, countries started asking if they have similar problems, said ecologist Toke Thomas Hoye of Aarhus University in Denmark. Research has shown dwindling individual species in specific places, including lightning bugs, moths and bumblebees. The lack of older data makes it "unclear to what degree we're experiencing an arthropocalypse," said University of Illinois entomologist May Berenbaum. "We don't know how much we're losing if we don't know how much we have," said University of Hawaii entomologist Helen Spafford.
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