Weekly Puzzler Answer #227

Did you know you can determine the sex of a Monarch butterfly just by looking at it when its wings are open? Check out this photo from our puzzler:

There are two black spots on the back hind wings, right in the middle. Do you see them? These are scent glands and only the male has them. He uses them to help attract mates. Females lack these black dots. Here are some photos:

Well now you know how to tell a male from a female Monarch butterfly. Next time you see one on a flower, I bet it’ll be easy for you to look more closely to determine the sex.

Since we’re on the subject of insects, our next puzzler is a beautiful green insect with transparent wings. Check it out!