looks like caterpillars on plant- eating it up

Question

Not sure if good insects or should try to get rid of them. They don’T eat other plants

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Answer 1

You should remove as many as possible, then spray with an insecticide such as Bt (Bacillus thuringiensis). These can be organic or synthetic.

Here is an article that will help you to craft your own pesticides: https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm

This one will help as well: https://www.gardeningknowhow.com/plant-problems/pests/insects/prevent-caterpillars.htm