"I have a little brown cocoon of an idea that may possibly ... The protagonist of this column needs little introduction. The ...

Or the chocolate moth, which is dark brown with light ... 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.

It's not a butterfly — it's a moth! Learn how to identify the promethea silk moth, a beautifully patterned backyard visitor.