In honor of Tu B’shevat some people have a custom of eating various fruits. The Star-K has a handy guide to checking various fruits grown and purchased in the United States. See the link below.
Please be aware that even dried fruit with a kosher symbol can have infestation and needs to be checked.
Dried Fruit List
Requires Certification:
Apples
(Flavored Apple Sauce)
Bananas
Blackberries
Blueberries
Cherries
Cranberries
Currants
Mangoes
Papaya
Raspberries
Strawberries
No Certification Required – With No Additional Flavors or Oils:
Apricots
Dates
Figs
Goji Berries
Peaches/Nectarines
Pears
Pineapples
Prunes/Dried Plums
Raisins (Domestic)
Potassium Sorbate and Sulfur Dioxide are preservatives and are not a problem.
The AKC has a Dried Fruit List Magnet available.