Small and large release box  with
piano hinged lids

Small release box with simple lid.  Plastic containers are
good for interim storage, but predation dictates a
 more sturdy wooden box.

 Hazelnut is in bloom, bulbs are poking out of the ground…..spring must be near! (Vancouver BC)

When setting out cocoons in large numbers, safety from predation  has to be a key consideration.

Rodents can chew through plastic and paper.  Dave M.from Port Alberni, BC uses a  box with a piano-hinged lid to hold cocoons.

When spring arrives, mason bees emerge from the box ready to start pollinating.

The small box easily holds 2-300 cocoons.  The larger  box holds about 1000 cocoons.

It is best not to layer cocoons more than 1-2 deep.  More than 1-2 layers of cocoons make it more likely that newly emerged bees pick up the rare mite from cocoons as the bee exits from the box.

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