Spring Reusable Wood Trays for Mason Bees -8mm

The perfect choice for annual mason bee raisers! These wood trays are long-lasting, reusable, and easy to open for fall cocoon harvesting. Precision crafted of Pacific Northwest alder, these wood trays are a safe and natural nesting material for solitary bees. Specifications: Nesting holes are 8mm in diameter, the preferred size of mason bees. 48-Hole Count Tray: 3.25” H x 5.5” W x 6” D  96-Hole Count Tray: 7" H x 5.75" W X 6" D  Features: Wood material provides both insulation and moisture control to protect mason bee cocoons from extreme temperatures and mold caused by excess moisture. Wood is a porous material, which captures and retains natural nesting scents and helps to attract next season's bees. Reusable wood trays minimize year-to-year costs. The front of the trays are lightly burned, creating a visual pattern that helps female mason bees locate their nests and removes splinters that can harm bee’s wings. Side notches lock into neighboring trays, retain alignment, and help