22 daughter colonies of the 4a were tested:
DE-6-1-26472-1988 DE-6-1-26473-1988 DE-6-1-26477-1988 DE-6-1-26478-1988 DE-6-1-26484-1988 DE-6-1-26486-1988 DE-6-1-26490-1988 DE-6-1-26498-1988 DE-6-1-26500-1988 DE-6-1-27130-1989 DE-6-1-27142-1989 DE-6-1-27143-1989 DE-6-1-27145-1989 DE-6-1-27147-1989 DE-6-1-27464-1989 DE-6-1-27465-1989 DE-6-1-27467-1989 DE-6-1-27471-1989 DE-6-1-27476-1989 DE-6-1-27480-1989 DE-6-1-27483-1989 DE-6-1-27484-1989
8 tested queens were mated at the mating station:
DE-6-1-27464-1989 DE-6-1-27465-1989 DE-6-1-27467-1989 DE-6-1-27471-1989 DE-6-1-27476-1989 DE-6-1-27480-1989 DE-6-1-27483-1989 DE-6-1-27484-1989
4 daughter colonies of queens mated at the mating station were tested:
DE-6-1-29529-1991 DE-6-1-29537-1991 DE-6-1-29540-1991 DE-6-1-29541-1991