We have met the enemy

November 15, 2009|Anthony Doerr, Globe Correspondent

In 1621 a ship named the Discovery left London carrying “divers sorte of seed, and fruit trees . . . and Beehives.’’ Four months later, the European honeybee landed in North America. By 1730, Virginia was exporting hundreds of tons of beeswax to Europe every year, and the insects were helping settlers unroll clover-covered pastures across the New World.

Nowadays keepers truck their bees all over the United States: The same hive might pollinate Washington apples and Maine blueberries in the same year. Farmers rely on managed hives to pollinate almonds, cranberries, melons, onions, turnips, celery, squash, and dozens of other crops - roughly one of every three forkfuls of food we put in our mouths. All told, a recent Cornell University study valued the contributions of honeybees to the US economy at around $15 billion.

Alas, as you probably already know, a mysterious killer known as Colony Collapse Disorder is killing the bees by the billions. Eight hundred thousand American bee colonies were wiped out in 2007; a million more died in 2008. Is Colony Collapse Disorder caused by pesticides? Mites? A virus? Bees’ diminished genetic diversity? How about cellphone signals or genetically modified corn? Aliens?

In “A World Without Bees,’’ English writers and beekeepers Allison Benjamin and Brian McCallum comb through the prevailing theories and eventually settle on an unsurprising culprit: us.

They write, “We are the ones killing the honeybee through ignorance, unsustainable agricultural practices and dangerous use of chemicals.’’

First, they argue, we’ve treated bees like livestock, breeding them for a docile nature, high yields of honey, and activity in the early spring. Along the way, they’ve lost genetic health. Second, we’ve stripped away vast swaths of habitat. Every new housing development means fewer wild plants for bees to forage on. Third, we’ve exposed them to a bewildering cocktail of insecticides. Fourth, single-crop agriculture has exposed them to acre after acre of the same plant - not exactly a healthy, diversified diet. And fifth, by mixing populations from all over the world, we’ve tipped our bees into a melting pot of mites, viruses, and diseases.

“If we treat animals like automata, then we shouldn’t be surprised when they break,’’ conclude Benjamin and McCallum. They wrote “A World Without Bees’’ more than a year ago, and the book is not filled with up-to-the minute details about Colony Collapse Disorder. But it does make yet another compelling case for systemic changes in our food production. Otherwise, four centuries after they arrived, our honeybees could be gone.

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