Mother Is marked?Is it certain that is the same.
International Queen Marking Color Code Color: For Year
Ending In:
White (or gray) 1 or 6
Yellow 2 or 7
Red 3 or 8
Green 4 or 9
Blue 5 or 0
Does this answer your question?
...JP
thanks for posting this jp. It good information. There is a lot of newbees (and oldbees) out there that would not know how the queen marking system works. although i must say that a lot of times the color marking in a good hygenic colony the color dot is groomed off the queen bee