Are they gnawing? Are there way too many for you to pick them off? I've always heard that you can smoosh a bunch of any pest up in a blender, add a little dish soap? (I think)
and spray the plant . . . kills the living . . . something to do w/disease from the dead, rotting, shredded corpses!
It also, allegedly, deters any return. I'd probably spray it off after the storm.
Ya might wanna look a little further into this If it's an answer?