That's good news for conservationists, but bad news for the local fly population.

Soon after the fly population shrunk and became manageable.

Previous containment efforts relied on spraying larvicide, which had qualified success in reducing the fly population.

The other way was control of fly population.

Owners of greenhouses are advised to use traps and monitor the white fly population.

Ultimately, the steriles will overwhelm the wild fly population and breed it out of existence.

They are a common nuisance for humans, and many US states have programs to suppress the black fly population.

Baited traps are a good monitoring tool and provide for some suppression of fly populations.

It certainly helped in the decline of the fly population.

Good sanitation in winter and spring crops is also required for the maintenance and control of the fly population.