Life cycle of a stag beetle quiz diagram online, life cycle worksheet. This is an interactive diagram showing various stages: egg, first instar, second instar, larva, pupa, adult beetle. Beetles are awesome creatures having a solid outer wing pair which protects a fragile body below. But it doesn't always begin like that. They all start off as fragile eggs which transform into larvae and pupae. The larva is a margot like white eater of wood. It eats and develops in size. At the pupa stage, it is rather more dormant than the later. Get more practice with a worksheet on the life cycle of a stag beetle. | Multiple choice quiz featuring biology test questions for students to review biology topics. Click on each question and select the correct answer below and submit. Feedback is instant and at the end you will get your score. Biology quiz for 2nd, 3rd, 4th, 5th, 6th, 7th grades to review. Focus: Online science Trivia | science quiz questions | Biology Test | Biology questions.