Remove everything from closet. Spray all nooks and crannies with Raid. Send out all clothing that needs to be dry cleaned. Wash everything that is washable. Discard everything that you have outgrown, is dated or worn out.
Moths tend to be attracted to human scent, particularly on wool.
Do not rehang items that you have worn back into the closet, as moths will be attracted to your scent. After you have removed clothing and left out for 24 hours after spraying, scrub everything in closet with an all purpose cleaner. After sorting through clothing, rehand only clean items in closet. Remove everything from closet. Spray all nooks and crannies with Raid.