They are difficult to rear. |
They are difficult to rear. They take a lot of manual labor and special conditions. Ideally I'd like to release thousands, but we'll be lucky to release 50 or 100. |
We have to provide extensive data to show that the natural enemy will be of no harm to the environment, or domestic animals, humans, or plants. It's expensive and it takes a while to do. But the results can be very nice and ecologically safe. |