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WILLIAMSDALE, Butler County — Steve Morgan couldn't believe the blue-eyed bug he spotted among the thousands of red- and orange-eyed cicadas that had taken over his family's yard.
Gene Kritsky, a biology professor at the College of Mount St. Joseph in Cincinnati, said that while no studies have been conducted as to why some cicadas have blue eyes, "it is less than one-tenth of a percent."
The rare, blue-eyed cicada could be a result of a "dilution gene" that prevents a normal characteristic from being expressed, such as red eyes, or the activation of a gene that allows a suppressed characteristic to develop, Kritsky said, but they do occur. "I had one delivered to my office today by an elementary student," he said.