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All monarch caterpillars look the same, whereas the adults have different abdomen shapes and the male butterflies have to black spots that the females lack. That's why we can distinguish the adult males from the adult females.
If you were to dissect monarch caterpillars, there would be at least one difference. The males have two bright red organs that the females lack, but there is no way of knowing which are male and which are female just by looking at the outside of the caterpillar.
What else can I help you with?
How do you tell a girl caterpiller from a boy?
A boy caterpiller have a red bum or a big spike in the back, where as a girl caterpiller just has a bum the colour of her body.
How do you tell if a caterpiller is a boy or girl?
I don't think you can until it changes into a butterfly or moth.
How can you tell a caterpiller is a boy or girl?
If you are looking at the caterpillar from above, no you cannot. But if you took it to a specialist they would probably answer your question whether its a boy or a girl.
How can you tell if your tirtle is a boy or a girl?
how do i tell if my my turtle is a girl or a boy?...
How can you tell if catapilar is a boy or a girl?
you cannot tell if the caterpillar is boy or girl
Which is harder to tell if a boy or a girl like you?
its harder for a boy to tell if a girl likes him
How can you tell if a starfish is a boy or girl?
YOu can not tell the difference between a girl or boy starfish.
How can you tell if a fish is a boy or girl by the tail?
can you tell if a fish is a boy or girl by the tail
How do you tell if a Oscar is a girl or a boy?
by asking its mother if it is a girl or a boy and plus you can tell by the face
How do you tell if grasshoppers are a boy or girl?
you can tell if its a girl or a boy byits butt or eyes. if its a girl, it will have small pupils. if itsa boy, it will have large pupils.
How can you tell if a bluegill is a boy or girl?
i don't know if it is a boy or a girl
How do you tell if caterpiller a boy or girl?
It's not possible to determine the sex of a caterpillar. However, adult butterflies may be sexually dimorphic, meaning that the sexes can be told apart. Males generally have brighter colors or different patterns than females.
