Green Vomit? Writhing caterpillars?

Those horrible signs of caterpillars dying from pesticides are well known to butterfly enthusiasts. We buy plants and are assured that they are safe. They are not treated with pesticides, we are told. Maybe they are … maybe they aren’t.

But we see the vomit and the caterpillars twisting and turning, side to side, and we don’t know what to do.

What happened?

Click here to find out what could have happened.

Green vomit and writhing Monarch butterfly caterpillars

Green vomit from
Monarch butterfly caterpillars

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