I think my release of Ageniaspis in this area has been successful. I have seen a few small insects that I think are Ageniaspis Citricola landing on my citrus trees, but the real evidence to me is the fact that I got several similar small insects that hatched out in a 2 liter clear plastic bottle after I put several infected leaves in it. Another bit of evidence is the much reduced leaf miner pressure on my citrus trees. I do not believe that they were here before the release, as I had looked for them and I had put infected leaves in a bottle and seen only citrus leaf miner moths hatch.
I am sure that they would eventually have spread to this area, but I think the release I made has gotten them established years earlier than they would have otherwise.
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Skeet