High above the winding trails of Jibjibe, where the mountain air remains crisp and the forest edges hum with life, a flash of metallic brilliance often catches the unsuspecting eye. It is here, nestled within the rugged beauty of the Himalayas, that one might encounter the Heliophorus tamu or Powdery Green Sapphire. Its presence is often a sign of a healthy, undisturbed environment where the intricate balance of flora and fauna remains intact.
There is a specific kind of magic that happens when you step out of the classroom and enter into the crisp, high–altitude air of Jibjibe. As an English teacher at North Pole Boarding School, my days are usually filled with the rhythmic cadence of English lessons and the lively chatter of students. But recently, a quiet moment near the school perimeter reminded me that some of the best lessons aren't found in textbooks—they are fluttering right in front of us.
It was one of those quintessentially perfect sunny days. I stood in the alleyway just outside the school gate, the rugged terrain of the Jibjibe hills rolling out before me like a crumpled carpet of green velvet. Sunlight played hide–and–seek across deep ravines, illuminating the hardy vegetation and wild thickets that clung to the steep slopes. I was standing there, mobile phone pressed to my ear, talking with my mother back home (Golaghat, Assam). The world felt vast and peaceful.
While I was busy talking on the phone, a flash of iridescent color caught my eye. There, perched atop a cluster of humble wildflowers just a few feet away, sat a tiny masterpiece of nature: a Powdery Green Sapphire (Heliophorus tamu). I lowered my phone, my voice trailing off as I became captivated by the visitor. Moving with quiet urgency, I launched my mobile phone camera and framed the shot vertically. To my surprise, the butterfly remained perfectly still, allowing me to capture several frames of its brilliance. For those who haven't had the pleasure of seeing one, this butterfly is a jewel of the Himalayas.
The Powdery Green Sapphire is a signature species of Himalayan montane ecosystems. Its habitat is distributed from Kashmir through the central Himalayas to northern Myanmar. A small, striking butterfly belonging to the family Lycaenidae, it is renowned for the breathtaking metallic sheen of its wings. Depending on the angle of sunlight, the scales shift from a deep, velvety black to a brilliant, powdery neon green or electric blue.
Habitat and Ecology: Being a montane inhabitant, this butterfly usually live at high altitudes between 1500 and 3,000 meters. They are most active in forest edges and sunny clearings where they can regulate their body temperature.
Conservation Status and Emerging Threats: The Powdery Green Sapphire is not currently listed as "Endangered" on the IUCN Red List; instead, it is categorized as Not Evaluated or Data Deficient. Despite the lack of a formal "threatened" status, several ecological factors make it a species of emerging concern:
Habitat Specificity: Being restricted to a narrow elevation band makes them "islands" of biodiversity. They cannot easily migrate to neighboring ranges if their specific microclimate is disturbed.
The "Escalator Effect": Recent research into Himalayan biodiversity highlights a grim trend. As global temperatures rise, this species move to higher elevations to escape rising temperatures at lower altitudes. However, at these altitudes when they run out of "mountain" to climb, they can face risk of extinction.
Host Plant Reliance: Like many Lycaenids, their larvae are often host–specific, frequently feeding on plants in the Polygonaceae family. Any decline in these specific plants due to overgrazing or excessive land use can directly impact the butterfly population.
In Nepal and Bhutan, large portions of its habitat fall within national parks, but increasing infrastructure development (roads and hydropower) in high–altitude valleys remains a localized threat. It is currently considered locally common but globally under-studied. Its survival is primarily dependent on the preservation of high-altitude Himalayan forest corridors.The Nepali name of this butterfly is Alpaharit Neelampari
The sight of the Heliophorus tamu perched calmly amidst the greenery is a gentle reminder to appreciate the present moment. Jibjibe is more than a center for academic pursuit; it is a living gallery for creatures that appear hand-painted by a master artist. Next time the sun is out, I urge everyone to stroll through the wildflowers behind the school—there’s a Sapphire waiting for you.
References:
- PROPOSING NEPALI NAMES FOR THE BUTTERFLIES (LEPIDOPTERA: PAPILIONOIDEA) OF NEPAL - नेपालका पुतलीहरूका प्रस्तावित नेपाली नाम (July 2024) Authors: Sajan K.C., University of Florida; Mahendra Singh Limbu and Surendra Pariyar, Tribhuvan University; Anisha Sapkota, University of Florida.
- FIRST RECORD OF HELIOPHORUS TAMU (KOLLAR, [1844]) (LEPIDOPTERA: LYCAENIDAE) FROM HIMACHAL PRADESH, INDIA: MORPHOLOGY, DNA BARCODING AND ECOLOGICAL INSIGHTS January 2026 Munis Entomology and Zoology Journal 21(1):282-287
- Butterflies of Bhutan. Mountains, hills and valleys between 800 and 3000m. (2007); Van der Poel, P. and T. Wangchuk.
- Wikipedia
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