All fruits should be washed and sliced down the middle before eating.
The following is a short list of fruit that require special attention.
Blackberries: Usually infested and too difficult to check. Additionally, these berries are extremely fragile and thus are unable to be properly washed. Do not use.
Blueberries: Rinse well with soap and water
Cherries: No Checking Required
Cranberries: No Checking Required
Dragon Fruit: Slice down the middle and make a quick glance for infestation
Grapes: Rinse smaller bunches well under running water.
Gooseberries: No Checking Required
Figs: Fresh figs should not be used.
Mulberries: Not recommended
Olives: Reliable Hechsher required
Pomegranate Seeds: As long as there are no added ingredients such as colors, flavors or oils, these are acceptable to use even without hashgacha.
Raspberries: Usually infested and too difficult to check. Additionally, these berries are extremely fragile and thus are unable to be properly washed. Do not use.
Strawberries: should preferably not be used.
Pineapple: Click the below image to see what to do when using a pineapple.