19 daughter colonies of the 4a were tested:
DE-2-298-1-2017 DE-2-298-2-2017 DE-2-298-3-2017 DE-2-298-4-2017 DE-2-298-9-2017 DE-2-298-15-2017 DE-2-298-18-2017 DE-2-298-20-2017 DE-2-298-21-2017 DE-2-298-22-2017 DE-2-298-23-2017 DE-2-298-26-2017 DE-2-298-33-2017 DE-2-298-34-2017 DE-2-298-37-2017 DE-2-298-105-2017 DE-2-298-109-2017 DE-2-298-112-2017 DE-2-298-113-2017
32 tested queens were mated at the mating station:
DE-2-227-806-2018 DE-2-227-817-2018 DE-2-227-822-2018 DE-2-227-830-2018 DE-2-227-846-2018 DE-2-227-847-2018 DE-2-293-3-2018 DE-2-293-4-2018 DE-2-293-5-2018 DE-2-293-7-2018 DE-2-293-8-2018 DE-2-294-10-2018 DE-2-294-54-2018 DE-2-294-55-2018 DE-2-294-65-2018 DE-2-294-86-2018 DE-2-294-93-2018 DE-2-294-98-2018 DE-2-366-1-2018 DE-2-366-4-2018 DE-2-366-5-2018 DE-2-366-6-2018 DE-2-366-18-2018 DE-2-723-614-2018 DE-2-723-861-2018 DE-2-723-905-2018 DE-2-723-923-2018 DE-19-191-834-2018 DE-19-191-835-2018 DE-19-191-839-2018 DE-19-191-842-2018 DE-19-191-868-2018
4 daughter colonies of queens mated at the mating station were tested:
DE-2-227-66-2020 DE-2-227-192-2021 DE-2-366-2-2020 DE-2-366-32-2020