Snake doctor is a local name for an insect. Some people also call this fellow a snake dragon. Others may call any kind of dragonfly a snake doctor. This is very confusing. It shows why the experts have given a special name to each creature and each plant.
Answers. Best Answer: A lot of it depends on the temperature and the food supply available. Typically, a fly life cycle goes like this: 8-20 hours after the eggs are laid, they hatch into maggots. Four to ten days later, the maggots turn into pupae.Three to six days after that, the pupae start to emerge as adult flies, which will live for about 15-20 days.So from maggot to pupa to fly, maybe seven to sixteen days, depending on the conditions.Source(s):nswers. Best Answer: A lot of it depends on the temperature and the food supply available. Typically, a fly life cycle goes like this: 8-20 hours after the eggs are laid, they hatch into maggots. Four to ten days later, the maggots turn into pupae.
1 This process take about three to six days and is where the maggot encases inself in a reddish-brown skin where the final stages of development take place.  Adult: Once the adult house fly hatches from the pupal stage, it has an approximate life span of 15 to 30 days. Females are able to start producing eggs after two days of life and will continue to lay eggs for about a month. Female house flys are usually larger than the males.