48 daughter colonies of the 4a were tested:
DE-6-42-25-2018 DE-6-42-26-2018 DE-6-42-33-2018 DE-6-42-34-2018 DE-6-42-35-2018 DE-6-42-36-2018 DE-6-42-37-2018 DE-6-42-39-2018 DE-6-131-29-2018 DE-6-131-32-2018 DE-6-131-33-2018 DE-6-131-36-2018 DE-6-131-39-2018 DE-6-131-42-2018 DE-6-131-46-2018 DE-6-131-47-2018 DE-6-131-110-2018 DE-6-131-111-2018 DE-6-131-112-2018 DE-6-131-150-2018 DE-6-131-151-2018 DE-6-131-152-2018 DE-6-131-153-2018 DE-6-131-154-2018 DE-6-131-155-2018 DE-6-131-156-2018 DE-6-131-157-2018 DE-6-206-1-2018 DE-6-206-2-2018 DE-6-206-4-2018 DE-6-206-6-2018 DE-6-206-11-2018 DE-6-206-12-2018 DE-6-206-35-2018 DE-6-206-37-2018 DE-6-206-101-2018 DE-6-206-102-2018 DE-6-207-30-2018 NL-55-16-62-2018 NL-55-16-68-2018 NL-55-16-70-2018 NL-55-16-71-2018 NL-55-16-75-2018 NL-55-35-28-2018 NL-55-35-29-2018 NL-55-35-31-2018 NL-55-35-33-2018 NL-55-998-1-2018
15 tested queens were mated at the mating station:
NL-55-16-24-2019 NL-55-16-26-2019 NL-55-16-40-2019 NL-55-16-41-2019 NL-55-35-18-2019 NL-55-35-21-2019 NL-55-35-26-2019 NL-55-35-28-2019 NL-55-39-35-2019 NL-55-39-38-2019 NL-55-43-14-2019 NL-55-44-15-2019 NL-55-44-22-2019 NL-55-47-92-2019 NL-55-47-93-2019
3 daughter colonies of queens mated at the mating station were tested:
NL-55-39-1-2021 NL-55-39-2-2021 NL-55-39-3-2021