To dream of a ladybug represents annoying thoughts or feelings you have about being responsible, careful, or doing the right thing. It suggests maturity that bothers you. Something that annoys you that you have to respect someone or something wonderful. Annoyance at having to protect something special. Annoyed feelings about caring about a child or something innocent. Annoying little girls.
If you see a lot of ladybugs in a dream it may be suggesting that something in your life is making you feel like you are being overwhelmed with responsibility and can't be as carefree as you once were. A dislike for having to care about someone else's feelings. A dislike for babysitting children. A dislike for protecting friends who are not respecting you because the long-term friendship is more important.
If you are attacked by ladybugs it may suggest that unpleasant thoughts and feelings about having to be responsible or careful. Maturity in some form is being forced upon you.
The symbolism is based on ladybugs having am adorable harmless appearance that makes you feel bad killing it. A similar feeling to disliking hitting or getting angry at a little girl because they are misbehaving.
Example: A woman dreamed of seeing a ladybug. In waking life she was experiencing a friend talking behind her back and she felt that the friendship was important to keep so she didn't want to anger the friend by bringing up the betrayal. She was annoyed by the friend's betrayal, but felt the need to protect the long-term friendship.
Example 2: A woman dreamed of seeing ladybugs in her home. In waking life she didn't like having to babysit her children. She felt annoyed having to stay home to watch over and protect them.