What's this pest?

There are many bugs, birds, and creatures after your nesting bees.

We have the pests organized and are found in our LEARN section.  Start looking here.

Look through the accordion menu on the right side of the page on a PC/Mac, or at the bottom of the page for mobile phones.

• Related Articles

• What's this? A pictorial guide to things found in nesting holes.

  Various cocoons Blue Orchard Bee Hornfaced Bee Osmia Coloradensis or Osmia Californica Leafcutter Wasp (bullet) Wasp (grass) summer bee/wasp Wool Carder Pests to Hole-Nesting Bees Pollen Mites Chalkbrood Houdini Fly Larva Houdini Fly Adult Pollen ...

• Various hole-nesting pests

  Ants What You See: Lacking wings, a line of ants walk to the nesting holes by crossing the surface the bee house is mounted upon, such as a fence post, wall, or tree. Effect on Bees: An ant colony may be attracted to the sweet smell of pollen and ...

• How to rescue bees from bamboo and drilled blocks of wood

  How do I harvest cocoons from bamboo and drilled blocks of wood? Bamboo, while low cost, is too structurally sound to easily open like natural reeds. Consider this solution: Place the entire house into a BeeGuard bag early spring and close the ...

• Troubleshooting why leafcutter bees did not nest in your bee house

  Why are leafcutter bees not nesting in my bee house? For first-time leafcutter bee raisers, this is our most common question in the summer.  First, please be patient. It takes time for the leafcutter bees to emerge from their cocoons and it can take ...

• Troubleshooting why mason bees did not nest in your bee house

  Why are mason bees not nesting in my bee house? For first-time mason bee raisers, this is our most common question in the spring.  First, please be patient. It takes time for the mason bees to emerge from their cocoons and it can take up to two weeks ...