Antennae bobbed up and down, in silent communication. Not that there was much to communicate; larger brains than during the day didn't make the roaches any smarter. One of them darted forward, jaws clicking. Ankles made a very good target.

The other stood still, antennae still bouncing in indecision. It was between the human and the door, now, but whether it planned to escape or trap him even it didn't know.