In the caterpillar stage, Actias luna moths can grow up to 90 millimeters long, or a little longer than a human pinky finger. The adult moths can have a wingspan of up to about 18 centimeters, or ...

the luna moth is a striking creature. It’s a clever one too, say biologists Jesse Barber and Akito Kawahara, who have found that the “tails” at the ends of Actias luna’s wings are more ...