Bee-ing Nice to the Earth Follow-up

Step 1: Collect the tubes capped with mud. Each
should be filled with several cocoons

Last April we decided to raise mason bees. (If you haven't read the earlier post, "Beeing Nice to the Earth", you should do that now to understand how mason bees differ from honey bees.) This month it was time to see how we did as bee nurturers.

 

Step 2: Split each tube with a razor blade

The capped tubes were removed from the bee "hotel" in September, and kept in a mesh bag until it was time to harvest the cocoons. The only tools needed are a razor blade, some good scissors, a large bowl of cool water, and a storage pan lined with paper towels. Harvesting isn't hard, but it is time-consuming, and we only had a small harvest. I spent two hours opening 25-30 tubes. Part of the problem was that half of those were cardboard tubes, and they were frustratingly hard to tear into. The other tubes were made of reeds, and they were a breeze to split open. A little more expensive, but I decided next spring it's all reeds!

I waited just a little too long to harvest the cocoons. If the cocoons don't get into a cool and humid place by early November, they began to use up their fat stores, which shouldn't happen until spring. I found several cocoons were dry and shriveled. They were pitched, along with ones that had little pinholes in them (See "Step 3") But it was really gratifying to see the healthy cocoons, all lined up neatly in a tube!

After they're removed from the tubes and inspected, the cocoons get a bath in cool water, and then are set out to dry. Once dry, they go into a little plastic bee humidor, and that goes into the fridge. A tablespoon of water every month, and the bees should be good to go come spring. Fingers crossed.

I feel the bee raising experiment was successful, although not wildly so. We purchased 75 bees and ended up with 76 healthy cocoons. I had to pitch about a dozen cocoons, and a few tubes were sealed but empty. Interestingly, toward the end of their life cycle, some mason bee females become disoriented and just start sealing tubes without having laid any eggs. Obviously, we had our share of confused bees.

Next spring I plan to enlarge the mason bee population; we'll order more to add to what hatches from this group. We won't, however, try leaf-cutter bees again. We didn't get a single tube from that type. We did have some spectacular flowers this year, and the biggest paste tomatoes we've ever grown, so maybe the leaf-cutters were good for something. Overall, this was a fun, educational and interesting thing to do, but best of all is the feeling we made our small contribution to the health of the Earth.

Step 3: Tease each cocoon out of it's chamber. Check for pinholes, meaningthat cocoon was attacked by an insect using it as a food source. Pitch. (Note the little mud caps sealing off each cocoon from the others in the tube.)

Step 5:  Put the cocoons in a bee humidor. When the flowering
trees begin to blossom, the cocoons go to the bee "hotel"
(top photo), where, hopefully, they'll emerge, and
get to work pollinating

Step 4: Wash the cocoons in cool water.
They're waterproof, and floating shows the
cocoonis viable.Set them out to dry.
Btw, the larger cocoons are the females.