What does it mean when bees eat holes in the foundation insted of bilding combs?
Here's this;
http://beemaster.com/beebbs/viewtopic.php?t=3258
Thank you, but does it mean that they are not able to produce enough wax so they need to take it from the foundation? Is this a sign that the nectar flow is low?
I'd say there is no flow and they stole the wax for other uses.