Lemon peels are frequently infested with insects and must be checked.
If one is not using the peel—it Need not be checked. However, it should be rinsed before cutting open the lemon or squeezing it—so the infestation does not travel to the inside.
If using the peel, one should rub it with steel wool or with a brush. Then, check to make sure there are no signs of infestation
Even though the peel of a lemon is frequently infested, when one purchases a product that uses the peel, such as a candied product or a jam, and it is produced by a major firm—one need not be concerned about the infestation, since the peels are cleansed in processing.
Not infested under normal circumstances. Need not be checked.
Even though the peel of a lemon can be infested, one need not be concerned when purchasing lemon juice that is commercially produced. In processing, the lemons are cleansed of any such infestation