kind of looks like a cross between a Pennsylvania firefly and black firefly.
looks like a firefly
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edit: to answer the question
You are fine. they are in the beneficial portion of pests. having them around your plants is in my opinion a great thing. I love to see them around my garden because it tends to keep other leaf eater types of larger variety that can cause the most impact away. Lets just say ive never seen another bug share a leaf with a firefly.
but i dont live in a jungle or anything. So anything is possible.