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How do I care for a black swallowtail caterpillar?
- Nectar Sources/Host Plants swallowtail
I found 4 caterpillars on my fennel plant today. I believe they are black swallowtail caterpillars. How do I care for them? I’d prefer they don’t destroy my entire fennel plant. Could I cut a few branches off and put them and the caterpillars in a jar? Need some help from an experienced butterfly person. :)