Fact One. Ladybugs are polkadoted and their eggs are yellow.. By Ansley and Laiba. Fact two. Ladybugs are eaten by birds and spiders.. By Connor and Lavaun. Fact 3. A ladybug may eat up to 200 aphids in its life span.. By Nabeel and David. Fact four. Ladybugs are not bugs; they are beetles..