One name for a major pest (5,3)
I believe the answer is:
sewer rat
(Another definition for sewer rat that I've seen is " Brown rodent".)
I've seen this clue in The Times and The Sunday Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.