Bee Observer - Solitary Bee Observation Tray

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Add our Bee Observer nesting tray to your Chalet, Cabin, Townhouse, or Tower bee house and watch female bees build their nests. The clear window allows you watch mason bee larvae develop or watch leafcutter bees emerge and return to nest again.


  • 1 Bee Observer Drawer
  • 1 Wood Nesting Tray with acrylic lid:
    • Mason Bee Observer - 8mm Tray or Leafcutter Bee Observer - 6mm Tray
  • Size: 1.25” H x 5.75”W x 6.25” D


  • Mason Bee Observer - 8mm Tray: In the spring, you can watch female mason bees build mud walls and pollen loaves for each egg. When the female bees are done nesting, remove the Bee Observer and watch the mason bee larvae eat, grow, and spin their cocoons from the comfort of your home or classroom. You can also see pests like pollen mites or chalkbrood develop!
  • Leafcutter Bee Observer - 6mm Tray: You can watch female leafcutter bees build their protective leafy cocoons. You can also watch as second or third generation leafcutter bees emerge and return to build a new nest. Different kinds of wild summer bees or beneficial wasps may also move into your Leafcutter Bee Observer nesting tray.
  • An educational and fun way to learn about solitary bees
  • Bee Observer Drawer gives bees the naturally dark nesting environment they prefer
  • Wood Nesting Tray slides out easily for periodic observation
  • Female bees tend to nest along bottom edge first, place Bee Observer under your favorite nesting materials to improve nesting
  • Removable acrylic lid for cocoon harvest
  • Designed to fit perfectly in our Chalet, Cabin, Townhouse, and Tower bee houses

To add the Bee Observer nesting tray to your homemade DIY bee house, ensure that your bee house is at least 8" deep to protect nesting tray from rain.

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