About Pseumenes siangensis:
- It is a new species of wasp belonging to genus Pseumenes.
- The genus Pseumenes belongs to the subfamily Eumeninae, commonly called potter wasps.
- It is primarily distributed across the Oriental region.
- These are solitary wasps identified with their construction of small, pot-like mud structures that they use as nests for their larvae.
- Around 3,795 species of these wasps have been described across 205 genera.
- India has previously reported only one species of the genus, making the recent discovery of Pseumenes siangensis “a significant addition” to the country’s wasp diversity.
- Pseumenes siangensis was discovered from Upper Siang District of Arunachal Pradesh, in the Eastern Himalayas.
- It is named after Siang Valley where it was found.
- At about 30.2 mm in length, the new species differs from others in having specific morphological features and colour patterns.
- It has critical role in controlling pest populations as the larvae primarily feed on caterpillars and other insects.
Q1: What is entomology?
It is a branch of zoology dealing with the scientific study of insects. The Greek word entomon, meaning “notched,” refers to the segmented body plan of the insect. The zoological categories of genetics, taxonomy, morphology, physiology, behaviour, and ecology are included in this field of study.
Source: New potter wasp species discovered in Eastern Himalayas
Last updated on January, 2026
→ Check out the latest UPSC Syllabus 2026 here.
→ Join Vajiram & Ravi’s Interview Guidance Programme for expert help to crack your final UPSC stage.
→ UPSC Mains Result 2025 is now out.
→ UPSC Notification 2026 is scheduled to be released on January 14, 2026.
→ UPSC Calendar 2026 has been released.
→ UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.
→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.
→ Prepare effectively with Vajiram & Ravi’s UPSC Prelims Test Series 2026 featuring full-length mock tests, detailed solutions, and performance analysis.
→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2026 for structured answer writing practice, expert evaluation, and exam-oriented feedback.
→ Join Vajiram & Ravi’s Best UPSC Mentorship Program for personalized guidance, strategy planning, and one-to-one support from experienced mentors.
→ UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!
→ UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.
→ Also check Best UPSC Coaching in India

