A bug is a general term people use that encompasses insects and other crawling or flying pests. Bugs are often referred to as things that pester or bother us. Note what type of bug it is.
Positive: Dreaming of bugs such as bees could represent God sending you protection or judgment toward your enemies. If you see ants it could represent being a hard worker.
Negative: To dream of a bug could represent an error in the soul or thinking. It could also represent something that is insignificant or bothersome in your life.
(1 Kings 8:37; Joshua 24:12; Deuteronomy 1:44; Exodus 8:24; Nahum 3:15).