Swamped

You catch a glimpse of something, and an idea strikes you. First, you pull up one of the floor planks.

"What are you doing?" the priest asks, a moment before you reach onto his nose.

"Slicer beetle," you say, showing him the one you just grabbed off his nose. "So-called because they wander for a while and then follow a trail back to their nest. I expect this one came along with you, so it would have come through the same closet."

You gently put the slicer beetle down below the floorboard.

"Which means it should be heading back there about now."

"So, what, you want me to crawl in after it? I've got my dignity, you know."

"No need. I'll just listen for its steps."

He stares at you.

"How can you possibly hear a tiny beetle walking around under the floor?"

"Well, I can't hear it nearly as well if you're talking," you reply.

He seems exceedingly annoyed, but he gets the message. You start listening, and lead him out.

But it's not long before you hear footsteps that aren't your own, the priest's or the beetle's, and they seem to be heading your way. You can't tell if they're Corvus', since you haven't heard him walk on this floor before. If they're not... then they're most likely hostiles.

What should you do?