These specially drilled wooden tubes are the ideal for mason bees and leafcutter bees (Megachile spp) and other overwintering insects. The tubes come in a range of sizes from 5mm up to 12mm, the middle sizes 7mm to 10mm are best for solitary bees. The length of these tubes are 15cm, but this can vary slightly.

They can be used to fill existing bee boxes, or to make your own simple bee nester.

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