27 daughter colonies of the 4a were tested:
DE-8-142-1125-1964 DE-8-142-1126-1963 DE-8-142-1127-1964 DE-8-142-1128-1964 DE-8-142-1133-1964 DE-8-142-1134-1964 DE-8-142-1135-1964 DE-8-142-1140-1964 DE-8-142-1141-1964 DE-8-142-1143-1964 DE-8-142-1148-1964 DE-8-142-1151-1964 DE-8-142-1184-1964 DE-8-142-1186-1964 DE-8-142-1187-1964 DE-8-142-1188-1964 DE-8-142-1191-1964 DE-8-142-1192-1964 DE-8-142-1198-1964 DE-8-142-1199-1964 DE-8-142-1200-1964 DE-8-142-1202-1964 DE-8-142-1205-1964 DE-8-142-1206-1964 DE-8-142-1207-1964 DE-8-142-1223-1964 DE-8-142-1227-1964
7 tested queens were mated at the mating station:
DE-4-1-39-1967 DE-4-1-416-1967 DE-4-1-427-1967 DE-4-1-428-1967 DE-4-1-429-1967 DE-4-1-430-1967 DE-8-142-1911-1967
6 daughter colonies of queens mated at the mating station were tested:
DE-4-1-1232-1969 DE-4-1-1233-1969 DE-4-1-1237-1969 DE-4-1-1240-1969 DE-4-1-1268-1969 DE-4-116-117-1968