Crossword Genius

Subject of American Pests (2008) (3)

Ross

I believe the answer is:

ddt

(Other definitions for ddt that I've seen before include "Once popular insecticide" , "A banned insecticide (abbr.)" , "Early insecticide" .)

I've seen this clue in the Newsday.
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.