Moths' Long Tails Are Jammers for Bat Sonar
motherboard.vice.com
motherboard.vice.com
Maybe the tails have some other function crucial for their generic function like flight control, and losing that is responsible for evading bats less effectively? If the article is correct, it seems like a gap in reasoning.
edit: I should add that there actually are other well adapted behavioural defenses, such as this: Hawkmoths produce anti-sonar http://rsbl.royalsocietypublishing.org/content/9/4/20130161
Moth equivalent of AN/ALE-50.
Hallelujah has a long tail in many languages, which grammar sonars of science fumble.