A Spring Valley woman defrauded Rockland County's Department of Social Services out of more than $18,000 in an effort to receive Medicaid and food stamps, the county district attorney's office said Wednesday.

Tanya Lindsey, 40, falsely said she was unemployed while renewing her application for benefits, according to a news release.

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She allegedly collected the fraudulent benefits from September 2009 to May 2011.

Lindsey has been charged with one felony count of third-degree grand larceny.

She has previous convictions for petty larceny and for issuing bad checks, and she faces a warrant stemming from a criminal case pending against her in Clarkstown, the release said.

She was arraigned Tuesday in Ramapo town court. A clerk said no attorney was on record as representing Lindsey.