If you are wearing an earwig in a dream, then it shows the bad news you will receive in short period of time, which will lead to unhappiness and sadness.
Dream dictionary: Earwig dream meanings
(Beetle | Insect | Worm) An insect with pincers that seeks out the human ear to crawl into his body (folk.) In a dream, an earwig represents the enemy of the leaders.
Dreaming that you see an earwig or have one in your ear, denotes that you will have unpleasant news affecting your business or family relations.
This dream reveals that in real life we are accumulating resentment, fear and contempt for others. When we see our home invaded by insects, earwigs or louses that reveals our fear of judgments and gossip from others. If the insects attack us, it shows that there are people that we cannot control despite how we consider them inferior to us. If the insects become gigantic and they corner us they represent bosses who are feared and despised at once. If we perceive the inconvenience of insects but without feelings of rejection, fear or repulsion they reflect minor discomfort, loss or concerns that accompany a task that has become tedious for us.