Okay so here is the general mealworm life cycle:
Egg-Takes around 7 to 15 days
Larvae-Takes around 30-100+ days
Pupae-Takes 7-20 days
Adults-Mature at 48-62 hours and live/reproduce for 2-3 weeks.
Total LifeCycle:takes anywhere from 3 months to a year depending on climate and food suply.Obvosiuly in captivity it takes about 2 months for a full cycle.