This story appears in the June 2016 issue of National Geographic magazine. Light green, long winged, and roughly the size of a playing card, the luna moth is a striking creature. It’s a clever ...

The big, pale green swallow-tailed luna moth is an example of all of these things, as is the cecropia moth, which can be 15cm across. Another reason we dislike moths is that they normally come out ...

They grow up to 4.5 inches long! Learn what a luna moth looks like. You’ll quickly notice the bright bumps, called tubercles, on the caterpillars. These bumps come in three colors—blue ...