HOMEMADE MOSQUITO TRAP: Items needed: 1 cup of water 1/4 cup of brown sugar 1 gram of yeast 1 2-liter bottle HOW: 1. Cut the plastic bottle in half. 2. Mix brown sugar with hot water. Let cool. When cold, pour in the bottom half of the bottle. 3. Add the yeast. No need to mix. It creates carbon dioxide, which attracts mosquitoes.