They go sort of visable inside and sometimes will become alot lighter in colour, usually take around 4-6 months from day of eggs being laid to hatch if kept in the right conditions and are cared for daily.
Experience : Kept stick insects and eggs all my life.
My stick insect is an Indian Stick insect
some stick insects actually hatch when it is quite warm they will hatch in soil if the weather in your house is cold they won't hatch.
The answer is: A fully grown Indian stick insect!
no they are diffrent species alltogether
This mostly depends on the species. For instance, Indian Stick Insect eggs take around six months to hatch, whereas Giant Prickly (Extatosoma tiaratum) eggs can take up to a year.
Leave them alone. They will hatch out by themselves.
Indian Stick Insects, like all stick insect species are herbivores. An Indian Stick Insect will not attack or eat another stick insect. The closest they get is eating old skins from a moulting to take in all the nutrients.
4-6 months
Most stick insect eggs take around six to nine months to hatch, possibly a little earlier if kept in warm room.
Carausius morosus - or Indian stick insect are the most common species.
This greatly depends on what stick insect you have. If it is an Indian Stick Insect it is most likely female, as the males are incredibly rare and the females produce eggs without the assistance of a male.
about 3-4 months i know because my stick insects eggs have just hatched