Can backyard beekeepers help stem the losses from colony collapse disorder? Maybe, say experts.

In Pennsylvania, more than 1,000 new beekeepers have registered since 2014, increasing the number of beekeepers in the state by a third.

Although most of the new beekeepers are hobbyists with 10 or fewer colonies, they help fill the gap created by the decline of bee colonies in the wild, Charles Vorisek, the president of the Pennsylvania State Beekeepers Association, tells The Christian Science Monitor in an interview.

"They're spread out in such a way that it really is an advantage to the local agriculture, because they somewhat replace feral colonies that we don’t find anymore," says Mr. Vorisek.

James Frazier, an entomologist at Pennsylvania State University’s Center for Pollinator Research, says he is skeptical about the impact of hobbyists, however. "There is so much ground to make up, I can't be more optimistic in light of the fact we have a few more beekeepers in the business," Dr. Frazier says.

Vorisek attributes the increase in hobbyists to the media attention and awareness around colony collapse disorder as well as the growing popularity of backyard food production.

The Pennsylvania increase reflects a nationwide trend, as the number of honeybee colonies has risen from 2.4 million in 2006 to 2.66 million in 2015, according to data from the US Department of Agriculture. That represents a slight decrease from the 2.7 million in 2014, which was the highest number of commercial honeybee colonies in 20 years, as The Washington Post reported.

Although the number of colonies is up, beekeepers have had to put more time, effort, and money into maintaining their colonies. The price for honey has doubled since 2006, The Post noted, as have pollination fees, the amount beekeepers charge to bring their bees to farms to pollinate fruit and nut trees.

Colony collapse kills off 20 to 40 percent of honeybee colonies each winter, and beekeepers in the United States lost 44 percent of their honeybee populations between April 2015 and April 2016.

Dr. Frazier tells the Monitor that colony collapse disorder has had a major economic impact on beekeepers.

"They're spending all their time and resources trying to replace the 30 to 40 percent that are lost every year," he says. "We're right on the cusp of losing a lot of beekeepers – big ones."

The number of honeybee hive sites in Pennsylvania has increased from 5,300 in 2014 to nearly 6,000 in 2015, say state officials, and the number of colonies has increased from 41,000 in 2014 to 63,000 in 2015.

Dr. Frazier attributes the increase to "backyard beekeepers," but says their limited number of colonies will have a comparatively small impact on the state.

He recommends public policy changes: remunerating beekeepers for their losses, changes to EPA pesticide registrations and risk assessment, and stronger EPA limits on pesticides.

"All of those are so far behind where they should be," he says.

But despite the severity of the crisis, he believes backyard beekeepers can have a positive impact.

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"I would say the more important role that they’re playing is to spread the word about the problems with bees," he says.

Hobbyists can "really multiply the public's support for understanding the problems with bees, the roles that pesticides, diseases and mites play in those bee problems, and the fact that our government is paying very little attention to relative to the magnitude of the problem it represents," he says.