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Okay so I actually looked into mosquito breeding. It's not illegal to raise mosquitos, many people do it to use their larva for commercial use as fish food. According to my research it seems like it's only illegal when they're just swarming somewhere on your property and getting everywhere. You can get fined for up to $5000 in some places, I found resources saying it's illegal in Ohio, Utah, Texas and California. I looked at a few documents and I'm not super good at reading legalese but it seems fine to breed them as long as they're contained.