New species of dragonfly discovered in Kerala’s rubber plantations, named Lyriothemis keralensis
- A new dragonfly species, Lyriothemis keralensis, common name "Slender Bombardier," has been formally described from Kerala's Western Ghats lowlands. [S1][S2]
- It belongs to family Libellulidae (order Odonata) and was found in shaded rubber and pineapple plantations in Ernakulam district. [S1]
- Relevant for UPSC as a recurring species-discovery/taxonomy current-affairs item, testing biodiversity, Western Ghats hotspot status, and naming conventions (species epithet after a state). [S1]
- Demonstrates the role of citizen-science-linked institutions (butterfly/odonate societies) in India's taxonomic research output. [S2]
2. Why in the News
- Published in The Hindu (Kerala/International print edition), 10 February 2026, reporting the formal scientific description of the new species. [S1]
- Findings published in the peer-reviewed International Journal of Odonatology, Vol. 29, pp. 19–36. [S2]
3. Background & Evolution
- The species was first spotted in 2013 near Varappetty, Kothamangalam, Ernakulam district, Kerala, but was misidentified for over a decade as Lyriothemis acigastra ("Little Bloodtail"), a species widespread in northeastern India. [S1]
- Over a decade of fieldwork and taxonomic study followed before formal description. [S2]
- Type specimens have been deposited in the Biodiversity Lab Research Collections, held at the National Centre for Biological Sciences (NCBS), Bengaluru. [S2]
4. Core Static Facts
| Item | Detail |
|---|---|
| Scientific name | Lyriothemis keralensis sp. n. [S1] |
| Common name | Slender Bombardier [S1] |
| Order/Family | Odonata / Libellulidae [S2] |
| Type locality | Varapetty/Varappetty, near Kothamangalam, Ernakulam district, Kerala [S1] |
| Habitat | Vegetated pools and irrigation canals in shaded rubber and pineapple plantations [S1] |
| Publishing journal | International Journal of Odonatology, Vol. 29: 19–36 [S2] |
| Researchers | Dattaprasad Sawant (Indian Foundation for Butterflies, Bengaluru); A. Vivek Chandran (Dept. of Wildlife Science, College of Forestry, Kerala Agricultural University); Renjith Jacob Mathews (Society for Odonate Studies, Kerala); Krushnamegh Kunte (NCBS, Bengaluru) [S1] |
| Type specimen repository | Biodiversity Lab Research Collections, NCBS Bengaluru [S2] |
| Sexual dimorphism | Males: bright blood-red with black markings, slender abdomen; Females: yellow with black markings, bulkier body [S1] |
| Seasonality | Adults visible only during Southwest monsoon (late May–end August); rest of year spent as aquatic larva [S1] |
5. Multi-Dimensional Analysis
Environmental - Highlights how modified/plantation landscapes (rubber, pineapple) can harbour undiscovered native biodiversity, not just untouched forest. [S1] - Researchers flagged the need for careful land-use practices in plantation zones to ensure species survival — links land management to conservation outcomes. [S1] - Underlines Kerala/Western Ghats status as a global biodiversity hotspot, still yielding new taxa.
Scientific/Technological - Case of taxonomic correction — decade-long misidentification resolved through detailed morphological/molecular study, showing the iterative nature of taxonomy. [S1] - Collaborative, multi-institutional research model: an NGO (Indian Foundation for Butterflies), a state agricultural university, a specialist society (Society for Odonate Studies), and a national research institute (NCBS) worked jointly. [S1]
Administrative/Governance - Discovery emerged from non-forest-department institutions (NGOs, universities, citizen-science-linked societies) rather than a central government wildlife body, reflecting decentralized biodiversity research capacity in India.
6. Recent Developments (last 12-18 months)
- February 2026: Formal publication and public reporting (The Hindu, 10 Feb 2026) of Lyriothemis keralensis as a new-to-science species. [S1][S2]
- Study published in International Journal of Odonatology Vol. 29 (2026 issue), pp. 19–36. [S2]
7. Prelims Hooks
- Lyriothemis keralensis is nicknamed the "Slender Bombardier." [S1]
- Belongs to family Libellulidae, order Odonata. [S2]
- Type locality: Varapetty, near Kothamangalam, Ernakulam district, Kerala. [S1]
- First observed in 2013, but formally described only in 2026 — over a decade of misidentification. [S1]
- Was earlier confused with Lyriothemis acigastra ("Little Bloodtail"), found in northeastern India. [S1]
- Habitat: vegetated pools/irrigation canals in shaded rubber and pineapple plantations. [S1]
- Males are blood-red with black markings; females are yellow with black markings and bulkier. [S1]
- Adults visible only in the Southwest monsoon (late May–end August); larval stage persists rest of the year in canals/pools. [S1]
- Published in the International Journal of Odonatology, Volume 29, pages 19–36. [S2]
- Researchers involved: Dattaprasad Sawant, A. Vivek Chandran, Renjith Jacob Mathews, Krushnamegh Kunte. [S1]
- Institutions involved: Indian Foundation for Butterflies (Bengaluru), Kerala Agricultural University's College of Forestry, Society for Odonate Studies (Kerala), NCBS (Bengaluru). [S1]
- Type specimens deposited at NCBS Biodiversity Lab Research Collections, Bengaluru. [S2]
- Species epithet "keralensis" recognises Kerala's biodiversity. [S1]
8. Mains Relevance
- GS-III: Environment & Biodiversity — conservation, biodiversity hotspots, species discovery, land-use impact on ecosystems.
- GS-I (peripheral): Geography — Western Ghats as a biodiversity hotspot.
- Possible question stems:
- "Plantation landscapes are often viewed as ecologically degraded, yet recent species discoveries in Kerala's rubber and pineapple plantations challenge this view. Discuss." (GS-III)
- "Examine the role of non-governmental and academic institutions in biodiversity documentation in India, with reference to recent taxonomic discoveries in the Western Ghats." (GS-III)
- "What does the phenomenon of long-standing species misidentification reveal about gaps in India's taxonomic research capacity?" (GS-III)
9. Related Topics to Study Next
- Western Ghats as a UNESCO World Heritage Site & biodiversity hotspot — broader ecological context for this discovery.
- Odonata (dragonflies/damselflies) of India — taxonomy basics, indicator species for wetland health.
- IUCN Red List assessment process — how new species get conservation status.
- Agroforestry/plantation ecology — role of rubber/pineapple plantations as secondary habitats.
- Citizen science in Indian biodiversity documentation — iNaturalist, butterfly/odonate societies.
- Recent new species discoveries in India (frogs, geckos, plants) — recurring Prelims theme.
- National Biodiversity Authority & Biological Diversity Act, 2002 — legal/institutional framework for species protection.
10. Common Errors / Trap Areas
- Confusing Lyriothemis keralensis with Lyriothemis acigastra ("Little Bloodtail") — the species it was misidentified as for over a decade. [S1]
- Assuming discovery location was untouched forest — it was actually plantation habitat (rubber/pineapple), not pristine wilderness. [S1]
- Misattributing the lead research institution — it involves NCBS, Kerala Agricultural University, and NGOs, not a central government ministry. [S1]
- Confusing "first observed" (2013) with "formally described/published" (2026) — a decade-long gap. [S1]
- Assuming year-round visibility — adults are seasonal (monsoon only); larvae persist year-round. [S1]
11. Sources
- [S1] Today's Paper (The Hindu) — New species of dragonfly discovered in Kerala's rubber plantations, named Lyriothemis keralensis — https://www.thehindu.com/todays-paper/2026-02-10/th_international/articleGAGFIJACT-13452419.ece — (tier: 4)
- [S2] Description of Lyriothemis keralensis sp. n. from the southwestern coast of India — Worldwide Dragonfly Association / International Journal of Odonatology — https://www.worlddragonfly.org/article/tijo20-v029-a3-chandran — (tier: 3)