Thanks Juanse,
Now you bring that up I remember it. This indeed makes things complicated.
I wanted to go away from honeybees as experimental animal as decent colony sample sizes take a lot of managment and commerical bumblebees tend to be more uniform in colony geno/phenotype than our (my) honeybees. But in a way I feel I am am just exchanging problems now that I am thinking things through. Sampling pollen/wax from bumblebees is way more delicate and time consuming than just cutting pieces of comb from honeybees.
Still I don't want to give up on the uniform, small, low maintenance, cheap bumblebee as an experimental animal. Pollen trapping is still on my mind.
Lennard
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