Spring Inserts for Mason Bees - 8mm

(No reviews yet) Write a Review
  • Inserts and box
  • Inserts right angle view
  • Bulk inserts
  • Inserts front view
Frequently bought together:


Spring Inserts for Mason Bees - 8mm. Place inserts inside drilled blocks of wood or Cardboard BeeTubes. Inserts protect developing mason bee larvae from parasitic wasps and other pests. Save 15% when you order in bulk quantity of 250.


  • Spiral wound glacine paper insert: Outside diameter - 8mm, inside diameter - 7mm, length - 6"
  • 60 or 250 count

Product Features

  • Inserts easily fit within our 8mm BeeTubes. 
  • Combined thickness of both BeeTubes and Inserts stop the majority of parasitic wasp attacks.
  • To harvest cocoons in the fall, remove inserts and drop them into a bath of lukewarm water. Within 10 minutes the glue dissolves and the paper and cocoons are easily separated. Learn more about harvesting mason bees here.
  • For DIY Bee Houses, ensure roof is a minimum of 3” longer than BeeTubes & Inserts.
View AllClose