Houdini Fly Threat To Mason Bees

The USDA warns of an invasive parasitic fly species spreading across North America. Known in Europe as the Houdini fly, this pest threatens the mason bee industry. Learn how to reduce this pest's impact and protect your mason bee population.

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https://crownbees.com/houdinifly?utm_source=ZohoCampaigns&utm_campaign=February+2020+BeeMail&utm_medium=email

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