About Mealworm Larvae:
- The lesser mealworm is the larval form of the Alphitobius darkling beetle. The larval period lasts between 8 and 10 weeks.
- The lesser mealworm are mostly found in poultry rearing houses which are warm and can offer a constant food supply — ideal conditions for them to grow and reproduce.
- Distribution: These are thought to have originated in Africa, they can be found in many countries around the world.
- Mealworm larvae are capable of consuming polystyrene
- The bacteria living in the mealworms’ gut help them break down the complex polymers in plastic.
- These bacteria produce enzymes capable of digesting the plastic.
What is polystyrene?
- It is known as Styrofoam.
- Applications: It is a plastic material that’s widely used in food, electronic and industrial packaging.
- It’s difficult to break down and therefore durable.
Q1: What is larva?
It is a stage in the development of many animals, occurring after birth or hatching and before the adult form is reached. These immature, active forms are structurally different from the adults and are adapted to a different environment.
News: Plastic-eating insect discovered in Kenya
Last updated on Sep, 2026
→ UPSC 2027 Notification will be released on 13 January 2027 at upsconline.nic.in.
→ Check out the latest UPSC Syllabus here.
→ Download UPSC Model Answers for Mains 2026
→ UPSC Mains Question Paper 2026 is out now for Essay & GS Paper 1, 2, 3 & 4.
→ UPSC Calendar 2027 has been released.
→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2027 for structured answer writing practice, expert evaluation, and exam-oriented feedback.
→ Join Vajiram & Ravi’s UPSC Mentorship Program 2027 for personalized guidance, strategy planning, and one-to-one support from experienced mentors.
→ Go through the UPSC Mains Previous Year Papers to enhance your preparation.
→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.
→ Also check Best UPSC Coaching in India








