Question
I have a dwarf lemon tree on my deck and it seems to be infested with inchworms, small green inch worms. What is a safe, organic, non-toxic way to get rid of these. Are there any predators like praying mantis etc? Thanks for your help.
David
San Francisco
Answer
The easiest and safest way to rid yourself of the caterpillars is to spray your citrus with Bonide Caterpillar Killer, also known as B.T. Bacillus thunbergiensis is a naturally occurring bacterium that when ingested by caterpillars, causes them to stop feeding and subsequently perish. It is safe for wildlife, kids and pets. There is not a commercially available predator to control inchworms handily. Praying mantids would consume a few but they do not hatch until about May.
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