Rare Insect Rediscovered Two Decades After Being Declared Extinct

Rapid Summary

• scientists rediscovered a rare mayfly species, Behningia baei, thought extinct as 2002.
• The discovery occurred in Thailand’s Mae chaem River,ending a 20-year gap in sightings of the species.
• Researchers found juvenile nymphs by stirring the riverbed with kick nets rather than searching for short-lived adults.
• Mayflies are crucial to freshwater ecosystems: they transfer nutrients from algae to animals and serve as indicators of clean, oxygen-rich water.
• DNA barcoding will confirm the rediscovered species’ identity; further studies and surveys are planned for nearby tributaries before rainy seasons begin.
• Local students are being trained to assist in ongoing conservation efforts, encouraging community involvement in monitoring data on mayflies.

!Mayfly sitting on a leaf

image Credit: Eduard Andrica/Shutterstock

Indian Opinion Analysis

This rediscovery showcases the resilience of biodiversity despite environmental challenges. For India, where freshwater resources face increasing pollution pressures, understanding the role of indicator species like mayflies can be vital. Such studies highlight proactive conservation strategies that coudl benefit local flora and fauna while supporting sustainable ecosystems. Community-driven scientific initiatives-like training local participants-could serve as models for similar projects across Indian rivers that aim to preserve native aquatic life. With India’s rich biodiversity amidst threats such as climate change and pesticide use, this serves as an inspirational reminder about prioritizing ecological stewardship.

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