Hymenoptera (Ants, Bees, Wasps & Sawflies)
The order Hymenoptera include bees, ants, wasps, and sawflies, and are holometabolous, meaning they spend their immature stage as a larva, pupate, and then emerge as adults.
Resources
Photo by M.E.S. Member Roger Rittmaster: American Cornfield Ant (Lasius americanus)