adults have two pairs of wings. they are covered by small scales. in some species, the adults have very small wings or no wings at all. this is more common in females. adults have antennae. some moths have antennae that look like feathers. these feather-like antennae are larger in males than females. adults have a mouthpart called a proboscis. it sucks nectar from flowers. some adults do not have mouths and cannot feed. others have different mouths that are made to pierce and suck blood or fruit juices.