After 12 years, India completes first comprehensive catalogue of butterflies, moths
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Context
The has published India's first comprehensive national catalogue of butterflies and moths, documenting 13,703 species of Lepidoptera over a 12-year period. This baseline data, revealing India hosts 8.25% of the world's known Lepidoptera species, is critical for biodiversity monitoring, conservation planning, and pest management.
UPSC Perspectives
Environmental
This comprehensive catalogue provides crucial baseline data essential for assessing the health of ecosystems. Butterflies and moths (Lepidoptera) are excellent bioindicators, meaning their population changes reflect subtle alterations in environmental conditions, such as temperature variations linked to climate change or habitat degradation. Their roles as pollinators, herbivores, and key components of food webs for various fauna make them vital to ecosystem stability. This database will facilitate long-term ecological monitoring and enhance the effectiveness of conservation strategies under frameworks like the . For UPSC Mains, understanding how such scientific baselines translate into actionable conservation policies, particularly in ecologically sensitive zones like the Himalayas and Western Ghats, is critical.
Governance
The publication underscores the role of scientific institutions like the , a subordinate organization under the , in fulfilling India's commitments to international agreements like the . By establishing a 'standardised national database', the government improves its capacity for evidence-based policymaking in biodiversity conservation. Furthermore, giving these species an 'authoritative voice' and 'clear legal identity' is essential for their protection under the , which relies on accurate taxonomic data to list and protect specific species. This highlights the governance challenge of translating scientific discovery into legal protection.
Economic
Beyond their ecological value, Lepidoptera have significant economic implications, particularly in agriculture and forestry. Many moth species are crucial nocturnal pollinators, directly impacting crop yields. Conversely, certain species, especially in their larval stages, can be devastating agricultural pests. A detailed taxonomic record is vital for implementing effective Integrated Pest Management (IPM) strategies, reducing reliance on harmful chemical pesticides and promoting sustainable agriculture. This connects to broader economic goals of ensuring food security and maintaining agricultural productivity, themes frequently tested in GS Paper 3 regarding the intersection of environment and the agrarian economy.