Where does the old skin typically split to allow the caterpillar to emerge during a molt?
Answer
Along the back of its head capsule
The process of emerging usually involves the caterpillar pushing its way out, splitting the restrictive old skin along the back of its head capsule.

#Videos
Caterpillar Shedding - YouTube
Related Questions
What is the entomological term for the process where a caterpillar sheds its skin?What term describes the specific stage of growth a caterpillar passes through between each molt?What is the discarded, shed skin of a caterpillar formally called?What is the iconic coloration of the Black Swallowtail caterpillar in its final instar?How do Black Swallowtail caterpillars typically appear in their earliest instars?Where does the old skin typically split to allow the caterpillar to emerge during a molt?What early defense strategy is mentioned for the Spicebush Swallowtail caterpillar?What physical change might an observer notice in a caterpillar immediately before it undergoes a molt?What is a potential warning sign indicating a "bad molt"?What is the term used for the underlying biological mechanism governing the molt across different species?