POLLEN MITES IN NESTING CHAMBERS AND ON MASON BEES - Learn How You Can Protect Your Bees

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In this video we'll show you what pollen mites look like inside a mason bee nesting chamber and on the back of a mason bee.
Every year, millions of bee hotels are purchased with the good intention of providing homes for mason bees. Unfortunately, many homeowners are unaware of the necessary maintenance, inadvertently putting mason bee populations at risk. Just like honeybee hives, mason bee hotels require regular upkeep. In the wild, mason bees find natural holes that are camouflaged and difficult for predators to locate. However, when you set up a bee hotel, you’re providing easy access for predators. Researchers and industry experts have observed a rise in predators and parasites, significantly threatening these bees. If this issue is not addressed, bee hotels may become infested, further endangering mason bee populations.
Entomologist Abigail Lehner from UC Davis's Williams Bee Lab has observed an increase in invasive parasites through her studies. She notes, "Houdini flies and pollen mites are prevalent parasites we encounter in mason bee hotels. The only way to reduce the risk is to use proper nesting material and perform fall cleaning and sterilization of the cocoons and bee houses.”

YEAR-ROUND CARE: 4 STEPS FOR HEALTHY BEES
1. USE THE CORRECT NESTING MATERIAL: Avoid bamboo or logs with drilled holes, as they can become moldy and cannot be opened. Instead, use stacking trays or cardboard tubes.
2. DO NOT LEAVE BEE HOTELS OUT YEAR-ROUND: Mason bees live only 6-8 weeks. At the end of spring, remove the nesting material from your yard and store it in a cool garage or shed to protect against summer predators like mono wasps and birds. Learn how to store over summer in this video:    • HOW TO PROTECT and STORE MASON BEES OVER S...  
3. HARVEST & CLEAN COCOONS IN THE FALL: Fall maintenance is crucial. Remove all predators from the nesting material. Follow the steps outlined below. “How to Harvest Mason Bee Cocoons”.    • How to Harvest, Wash & Store Your Mason Be...  
4. PROVIDE CLEAN NESTING MATERIAL EVERY SPRING: Set out new nesting material each spring. Old bee hotels may harbor predators that can harm emerging bees.

6 STEPS FOR FALL MAINTENANCE
By fall, mason bees have created durable, waterproof silk cocoons and can safely be harvested. For detailed instructions, watch the step-by-step video “How to Harvest Mason Bee Cocoons”.    • How to Harvest, Wash & Store Your Mason Be...  

1. REMOVE COCOONS FROM NESTING MATERIAL: Gently remove all cocoons from the nesting material and prepare them for cleaning.
2. WASH COCOONS: Mason bee cocoons are waterproof and need to be washed in a mild bleach solution to remove pollen mites and chalkbrood.
3. DRY COCOONS: Allow the cocoons to dry overnight so they don’t mold during hibernation.
4. CANDLE COCOONS: Use a flashlight to identify and remove any non-viable cocoons that are amber or see-through.
5. STERILIZE NESTING MATERIAL: If you use stacking trays, use a flame to eliminate any remaining pollen mites or chalkbrood. Replace all cardboard tubes with new ones.
6. STORE IN WINTER HIBERNATION: Place the cleaned cocoons in a humidity-controlled container and store them in your refrigerator over the winter.

By taking care of your mason bees, you will help them emerge safely the following spring. Many homeowners love hosting mason bees due to their gentle behavior and efficient pollination skills, making them an increasingly popular choice for backyard pollinators.

While some bee enthusiasts find fulfillment in the continuous care and cleaning of mason bees throughout the year, others may prefer a more hands-off approach. For those interested in supporting solitary bee populations and enhancing pollination in their yard without the responsibility of cleaning and storing mason bee cocoons during the winter, Rent Mason Bees offers a convenient program. This program provides everything you need to host mason bees, including the release of bees and the rental of nesting blocks, and handles all the cleaning and maintenance for you.

Visit our website to learn more https://rentmasonbees.com/