HOW TO GENDER IDENTIFY MONARCH BUTTERFLIES AND PUPAE
* MONARCH BUTTERFLIES
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Notice how the male Monarch Butterfly (left picture) has a spot on each hindwing. These are 'scent glands' that give off pheromones to attract the female.
The Monarch Butterfly on the right is a female. She does not have 'scent spots' and her wing veins are thicker than the males.
The Monarch Butterfly on the right is a female. She does not have 'scent spots' and her wing veins are thicker than the males.
* PUPAE
Click on each picture to see a larger view....
The Monarch Chrysalis on the left has an indentation that stops level with the black dots. This denotes a male.
The Monarch Chrysalis on the right is a female. Notice how the indentation on her chrysalis sits below the black dots.
The Monarch Chrysalis on the right is a female. Notice how the indentation on her chrysalis sits below the black dots.