Senator Ashley Moody campaigned in Miami-Dade County on Thursday night to keep the area red. She urged supporters to vote by Tuesday to stop socialism from taking hold. Moody targeted Democratic nominee Angie Nixon, whose recent comments about Cuba gave Republicans new campaign material in the final days of voting.

Senator Ashley Moody, Republican of Florida, campaigned in Miami-Dade County, an area with a large Cuban population that the G.O.P. is hoping to keep red.

Senator Ashley Moody, a Republican, took the microphone at a campaign event in South Florida on Thursday night and urged her supporters to vote by Tuesday so that "socialism -- communism -- will never get a foothold in this nation."

It's that time of year in Miami politics.

In television ads, in mailed fliers, everywhere voters look: "THE COMMUNISTS ARE COMING," as Ms. Moody wrote on X on Thursday. She was referring to the progressive canvassers coming to Florida from New York to get out the vote for State Representative Angie Nixon, the Democratic Senate nominee.

Perhaps nowhere is the Republicans' anti-socialism message more ubiquitous than in South Florida, where fears about encroaching left-wing ideology still resonate among a large Cuban American population that has long leaned Republican. The party has also made inroads with Hispanics who have fled authoritarian governments in countries like Venezuela and Nicaragua.

Florida Republicans' main target this election cycle has been Ms. Nixon, who joined the Democratic Socialists of America this year. She describes herself as a progressive, not a socialist, and has split from the D.S.A. on a number of issues.

This week, Ms. Nixon faced backlash over how she answered a question from CBS News over whether Cuba is a dictatorship. "That is what people have told me," she said. "I have never been to Cuba, and so I will have to take their word for it."

Ms. Nixon had said before -- and has said since -- that Cuba is a dictatorship. And she has campaigned on top issues for many Hispanic voters in Florida, including the high cost of living and the record number of deportations of Cubans under the Trump administration. But her answer to CBS still gave Republicans campaign fodder in the waning days of the race.

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