HABITAT: Monarch caterpillars need milkweeds as host plants ... Caterpillars take 9 to 14 days to go through five instar stages before pupating. The first instar larva, just out of the egg, is solid ...

Monarch butterfly life cycle Monarchs go through four life stages: egg, larva ... The period between each molt is called an instar. This growth period doesn't last long — the first four instars ...

monarch caterpillar scenario ... caterpillars is that they are gregarious through the third instar. Instars are developmental stages between moults (when the exoskeleton sheds to allow for ...

The instar stages have specific characteristics as size ... Monarchs have natural enemies as ladybugs and spiders, but, because of the Monarch’s dependence on milkweed, it develops some ...

As the caterpillars grow up through five stages, they eventually switch from ... Petschenka. Late instar monarch caterpillars sabotage milkweed to acquire toxins, not to disarm plant defence.