Do not kill them. Do not spray them — because if you do, then you're destroying some of the natural predators that keep pests in check."

Is it bad to kill a ladybug?

This is one of the most loveable insects around! When a ladybug lands on you, it's considered a sign of good luck since you will be granted more patience and fewer burdens. ... Of course, killing a lady bug is considered bad luck and should be avoided at all costs, so the superstition goes.

Is it bad to have ladybugs in your house?

ANSWER: First off, calm down because ladybugs (also known as lady beetles) will not harm your house. ... They are in your house because in nature they hibernate over the winter in masses, usually in protected places like cracks in rocks, tree trunks and other warm places, including buildings.