Inside The Race To Save Honeybees From Parasitic Mites

Last year, almost half of the honeybee colonies in the U.S. died, making it the second deadliest year for honeybees on record. The main culprit wasn’t climate change, starvation, or even pesticides, but a parasite: Varroa destructor.“The name for this parasite is a very Transformer-y sounding name, but … these Varroa destructor mites have earned this name. It’s not melodramatic by any means. [They are] incredibly destructive organisms,” says Dr. Sammy Ramsey, entomologist at the University of Colorado Boulder.These tiny mites feed on the bees and make them susceptible to other threats like diseases and pesticides. They’re also highly contagious: They arrived in the US in 1987, and now they live in almost every honeybee colony in the country. Honeybees pollinate many important crops, like apples, peaches, and berries, and their pollinator services add up to billions of dollars.Ramsey and his lab are trying to put an end to the varroa mites’ spree. Part of their research includes spying on baby bees and their accompanying mites to learn how the parasites feed on the bees and whether there’s a way to disrupt that process.In Boulder, Colorado, SciFri producer Rasha Aridi speaks with Dr. Ramsey and fellow entomologist Dr. Madison Sankovitz about how the varroa mites terrorize bees so effectively, and what it would take to get ahead of them.Transcripts for each segment will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

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