No daughter colonies of the 4a were tested yet.
24 tested queens were mated at the mating station:
DE-4-1-46-1987 DE-4-1-52-1987 DE-4-1-53-1987 DE-4-1-56-1987 DE-4-1-57-1987 DE-4-1-99275-1987 DE-4-1-99300-1987 DE-4-1-99477-1987 DE-4-48-19-1987 DE-4-48-22-1987 DE-4-48-24-1987 DE-4-48-25-1987 DE-4-48-26-1987 DE-4-48-27-1987 DE-4-48-28-1987 DE-4-48-29-1987 DE-4-48-30-1987 DE-4-48-31-1987 DE-4-48-35-1987 DE-4-48-36-1987 DE-4-48-37-1987 DE-4-48-38-1987 DE-4-48-40-1987 DE-4-48-41-1987
11 daughter colonies of queens mated at the mating station were tested:
DE-4-28-372-1991 DE-4-28-376-1991 DE-4-28-377-1991 DE-4-28-378-1991 DE-4-28-379-1991 DE-4-28-380-1991 DE-4-28-381-1991 DE-4-28-382-1991 DE-4-28-383-1991 DE-4-28-385-1991 DE-4-28-389-1991