How to clean:

Remove peel along with the first layer of the onion and no further washing is required

If onions are open on top (common in Spanish onions) then cut three onions from each sack in half and check the inside of each onion for infestation. If infestation is found, may not be  used

Type of insects found:

Thrips and spider mites.

Where insects are found:

Under the skin and on the outside layer or in the middle of the onion