Reminds of when UC Riverside released some stingless wasps to prey on a whitefly infestation in Southern California. This was in the early 1990s. I think this

Reminds of when UC Riverside released some stingless wasps to prey on a whitefly infestation in Southern California. This was in the early 1990s. I think this paper is relevant, but I only scanned it: http://ucce.ucdavis.edu/files/repositoryfiles/ca5106p5-67707.pdf http://ucce.ucdavis.edu/files/repositoryfiles/ca5106p5-67707...