A group of ladybugs is most commonly called a “loveliness” of ladybugs.

Quick Scoop

  • The playful collective noun you’ll see in books, articles, and online posts is “a loveliness of ladybugs.”
  • In scientific or technical contexts, entomologists usually just call them an aggregation or bloom of ladybugs when they cluster together.
  • In everyday speech, people also say a swarm of ladybugs, especially when large numbers take flight at once.

So, if you’re going for the charming, trivia-night answer, “a loveliness of ladybugs” is the phrase you want.