In Willapa Bay and Grays Harbor, shellfish farmers face an existential threat from a persistent infestation of burrowing shrimp, which can render productive shellfish beds into desolate mud flats in a single season. The Integrated Pest Management Working Group (IPMWG) is tapping into the best available science to find a safe, effective solution and to make sure shellfish aquaculture continues to fuel family farmers and the state economy, especially in the rural communities of Southwest Washington.