If you are looking for a unique costume that will be appreciated by fellow party guests, then you need to get entangled in a bug costume. These bug costumes for adults give you the appearance of a real insect that’s been placed under a microscope. You’ll have feelers, lots of legs and of course, antennae! Shop for adult ladybug costume online at Target. Choose from contactless Same Day Delivery, Drive Up and more.1/5.