[tip-tap sound of many larvae chewing] This listening technique could one day lead to less spraying. If you discover unwelcome visitors in your rice, toss out the infested grains. Weevils ...

"At some point during the manufacturing, transportation, or storage of grains, the female rice weevil will locate a grain and bore a small hole to lay her eggs. Once hatched, the larvae will feed ...

Using sensitive microphones, they pick up the sounds of larvae chewing, to find where they’re hiding. This listening technique could one day lead to less spraying. If you discover unwelcome visitors ...