No daughter colonies of the 4a were tested yet.
8  tested queens were mated at the mating station:
CH-50-90-23030-2013  CH-50-90-23031-2013  CH-50-90-23032-2013  CH-50-90-23033-2013  CH-50-90-23034-2013  CH-50-90-23039-2013  CH-50-90-23043-2013  CH-50-90-23045-2013  
9  daughter colonies of queens mated at the mating station were tested:
CH-50-66-40110-2015  CH-50-66-40112-2015  CH-50-66-40115-2015  CH-50-66-40119-2015  CH-50-66-40121-2015  CH-50-66-40123-2015  CH-50-66-40128-2015  CH-50-66-40133-2015  CH-50-66-40165-2015