Scientists are unlocking the secret chemistry of smell to engineer a super-targeted lure for the deadly New World screwworm fly—whose larvae feast on living tissue. By reverse-engineering the scent of rotting beef liver, researchers aim to isolate the exact compounds that lure these pests, creating a trap that attracts only female screwworms and nothing else. This would slash the time-consuming, error-prone process of sifting through thousands of flies to find the target species. The team is also redesigning traps to avoid sticky glue, preserving specimens for study. With field tests planned in Panama, this research could revolutionize pest control—complementing sterile fly releases—to finally curb this destructive invader.
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