Today I received a call from a Master Gardener who wanted to advise a local organic garden on the best beneficial insects to release to control pests. My answer surprised her a little.  I generally recommend against gardeners releasing beneficial insects. It’s not that I am opposed to biological control, or don’t believe in the value of predatory and parasitic insects.  I know that releasing insects to control other insects is a time-honored, and historically successful, approach to pest control.  The annals are full of stories of highly successful programs… Read More →