No daughter colonies of the 4a were tested yet.
18 tested queens were mated at the mating station:
DE-16-31-170-1970 DE-16-37-83-1970 DE-16-37-84-1970 DE-16-37-85-1970 DE-16-37-88-1970 DE-16-37-89-1970 DE-16-37-90-1970 DE-16-37-93-1970 DE-16-37-95-1970 DE-16-37-98-1970 DE-16-37-99-1970 DE-16-37-101-1970 DE-16-37-102-1970 DE-16-37-104-1970 DE-16-37-105-1970 DE-16-37-106-1970 DE-16-37-107-1970 DE-16-37-109-1970
21 daughter colonies of queens mated at the mating station were tested:
DE-16-37-120-1972 DE-16-37-121-1972 DE-16-37-122-1972 DE-16-37-123-1972 DE-16-37-124-1972 DE-16-37-125-1972 DE-16-37-126-1972 DE-16-37-127-1972 DE-16-37-128-1972 DE-16-37-129-1972 DE-16-37-130-1972 DE-16-37-131-1972 DE-16-37-132-1972 DE-16-37-133-1972 DE-16-37-134-1972 DE-16-37-135-1972 DE-16-37-136-1972 DE-16-37-137-1972 DE-16-37-138-1972 DE-16-37-139-1972 DE-16-37-140-1972