A Bronx man was sentenced Thursday to 7 years in prison for robbing a 72-year-old woman at knifepoint in a Greenvale parking lot earlier this year, the Nassau County district attorney's office said Thursday.

Acting District Attorney Madeline Singas said Benis Solis, 24, was also sentenced to five years of post-release supervision.

Solis pleaded guilty Aug. 24 to first-degree attempted robbery before acting Supreme Court Justice David Sullivan, who also sentenced him.

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Prosecutors said Solis was in the parking lot of a T.J. Maxx store on March 17 about 6:30 p.m. when he approached the woman, who was putting packages into her Nissan Murano.

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Armed with a kitchen knife with a six-inch blade, authorities said Solis approached the woman from behind and put the knife to her neck, then demanded the ring on her left hand.

When the woman couldn't get the ring off quickly enough, Solis bit her hand, prosecutors said. He fled with the ring, which was never recovered.

Prosecutors said DNA evidence led Nassau County police detectives to Solis, who was arrested May 13 in front of his home.

An attorney listed for Solis could not be reached for comment Thursday night.