No daughter colonies of the 4a were tested yet.
14 tested queens were mated at the mating station:
DE-6-37-18-1987 DE-6-37-19-1987 DE-6-37-23-1987 DE-6-37-25-1987 DE-6-37-456-1987 DE-6-37-459-1987 DE-6-37-460-1987 DE-17-26-6-1987 DE-17-26-7-1987 DE-17-26-8-1987 DE-17-26-9-1987 DE-17-26-10-1987 DE-17-26-11-1987 DE-17-26-12-1987
7 daughter colonies of queens mated at the mating station were tested:
DE-6-37-1-1990 DE-6-37-5-1990 DE-6-37-489-1990 DE-6-37-492-1990 DE-6-37-495-1990 DE-6-37-496-1990 DE-6-37-498-1990