being in the industry with hydroponics and growing veggies my whole life...growing hydroponically (meaning without the use of soil) for over ten years...and being raised on a 2000 acre farm (this year i will be doing aquaponics which is using fish to supplement fertilizers to the plants using only water (no soil))....people come to the question about bugs....when dealing with mites...weather it be on a bird or plant...some things will work better then others...and yes sevin dust will work on birds...altho it is not meant for birds but still has the same effect on the mites....personally with veggies i will not spray mites with anything you can buy from any store...i make my own habanero spray....and it kills them immediately...and fries some of the mites eggs...with mites they reproduce faster when it is warmer and will multiply every week without question...mites on plants suck the plants juices from the leaves, leaving white sp