A strikingly green caterpillar about as long as my little finger was attached to a sprig of oak leaves in our yard. Knowing the caterpillar with spikes on its back was the larvae of an Io silkworm ...

Ohio’s moth fauna is incredibly diverse. At least 2,000 species have been documented, and scores of others await discovery. I once heard an expert on “micro-moths” say that if we could find all of ...