If one day you take your instrument out of the closet after a long time and you find that your pads are missing chunks, these guys are to blame:
They’re a little bug that likes dark places and to eat the glue used in woodwind pads, especially flute and clarinet. If you want to avoid this problem, don’t leave your instruments in a dark place for a very long time and air the case out every now and again.
The Horn Kicker 