(crossposted to
urban_nature)
We saw tons of mourningcloak (Nymphalis antiopa) caterpillars this summer. I haven't seen this many for years. When I was a kid, they used to colonize the few elm trees on my street, but the city began spraying the trees for pests, and they became a lot rarer. Lots of people don't like the caterpillars because they are spiky
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