What is it good for? Absolutely one thing: Luna moths use their tails solely for bat evasion

Scientists recently discovered that Luna moths use their long tails as decoys to throw bats off their trail. But their tails also make Luna moths might also make them stand out to potential mates and make them more conspicuous to lurking predators. A pair of complementary studies looked to see whether these colorful, bat-deflecting appendages might come with any additional costs or benefitt

from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2023/04/230410111629.htm