>> the losses are avt ron omic am. i lost 65% of my operation last winter. we look in the ground to see if there's dead bees on the ground. most people in the u.s. would be happy staying away from the honey bee. >> they are critically important to the u.s. food supply. they provide $15 billion in revenue, and one-third relies on the industrious pollinators. the demand for pollinator crops, the fruit and vegetables, is increasing. the supply of bees is decreasing. the general term is colony collapse disorder, a phenomenon seen before, but this time it is different say the bee keepers. >> seeing a number of things that we have never seen before. bees just disappearing. >> not only disappearing, they are dying in large numbers. >> something like this, like i picked up. what happened to the bee. why can't it stand. why is the mouth out? what is going on. >> if the probiscus is extended out, it's an indication that they are trying to remove something poisonous from their stomach, and it is a symptom bee. >> scientists haven't reached consensus, but the disorder h