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Two New Hoverfly Species Found in West Bengal’s Gangetic Plains

Jun 04, 2026
Adult role:  Pollinators of wild and cultivated plants

  • Larval role (rat-tailed maggots):  Decompose organic matter in water, recycle nutrients

  • Size of adult hoverflies:  4-10 mm long

  • Hoverflies do not sting  (harmless to humans)

    • Frequently Asked Questions (FAQ)

    Q1: What are the names of the two new hoverfly species?
    A: They are  Eristalinus sapphirinus  and  Eristalinus brunettii .

    Q2: Where were these hoverflies found?
    A: They were discovered in the Gangetic Plains of West Bengal, India.

    Q3: Why is one species called  sapphirinus ?
    A: Because it has a beautiful sapphire-blue metallic colour on its body.

    Q4: Who was  Eristalinus brunettii  named after?
    A: It was named after Enrico Adelelmo Brunetti, an entomologist who studied Indian flies (Diptera) and made important contributions.

    Q5: Why are hoverflies important for the environment?
    A: As adults, they pollinate flowers and crops. As larvae, they live in water and eat decaying matter, recycling nutrients. They help both plants and water bodies.

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