Scientists have voiced concern about the decline in bee population so vital to our food production. To help, beekeepers move their bee colonies from state to state, using them to pollinate different crops, and thus exposing them to health problems.
Read this interesting article by Rebecca Rifkin: New clues to the mysterious bee die off and 'bee' a detective in your state (couldn't resist and did want you to think I had made a typo :-). What have you observed? This membership is wide-spread and it is good to see you sharing your personal observations on questions such as this.