Confidence: It's likely to be this, but I can't be certain.
Notes: I'm afraid the photo isn't good enough to be completely sure even on the family... but it does have the look of one of the leaf beetles. Did you see only one, or were there lots on a particular plant? What plant was it on? How big was it (as accurately as possible)? All these things make a difference in helping to ID a difficult one like this. :o)