Mazda's not sure why the yellow sac spider likes to make its home in the fuel system of the Mazda6, but it has a way to stop it. By Peter Valdes-Dapena, senior writerMarch 3, 2011: 1:24 PM ET

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NEW YORK (CNNMoney) -- Mazda is recalling about 52,000 Mazda6 sedans, because yellow sac spiders like to build their nests in part of the fuel system.
"A certain type of spider may weave a web in the evaporative canister vent line and this may cause a restriction of the line," Mazda said in a letter to the National Highway Traffic Safety Administration.
More here: Spider webs prompt Mazda recall of 50,000 cars - Mar. 3, 2011