. >> it could spell trouble for farmers. joins us in menifee county to explain more. these bees are important to our ecosystem. >>reporter: the us da says bees pollinate 75% of the fruits, vegetables and nuts we eat in this country. if they die off, that's a big problem. most folks would run away at the sight of just one of these. but not kevin losman, he's a master beekeeper. when he's among them, he feels at home. >> there could be 40,000 in a good hive. >> there's some bees he doesn't enjoy seeing. bees like this. >> this guy doesn't have wings left. they can crawl but he can't fly. >> they have been struck by the wind virus. >> is it sad to see something like this? >> very much so. >> in recent years, the disease wiped out millions of bees throughout the world and more cases are florida. through a parasite making the bees unable to pollinate crops. >> if we don't find out what's causing this die off, our food prices are going to get very high. >> this is a -- >> the bees serve as a vital purpose. >> they get the size of a water melon. >> he says the critters polli