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A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is fully open, the disc ...
The Kaiser-i-Hind is a rare species of swallowtail butterfly found from Nepal and north India eastwards to north Vietnam. The common name literally means "Emperor of India", and it is much sought after by butterfly collectors for its beauty and rarity. Kaiser-e-Hind, Teinopalpus imperialis Hope, 1843
Papilio polymnestor, the blue Mormon, [1][2] is a large swallowtail butterfly found in south India and Sri Lanka. [1][2] In India it has bee recently reported from the eastern part of India, from the State of Jharkhand. [3] It is the "state butterfly" of the Indian state of Maharashtra. With a wingspan of 120–150 mm, it is the fourth largest ...
Attacus atlas, the Atlas moth, is a large saturniid moth endemic to the forests of Asia. The species was described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. The Atlas moth is one of the largest lepidopterans, with a wingspan measuring up to 24 cm (9.4 in) [1] and a wing surface area of about 160 cm 2 (≈25 in 2). [2]
The following is a list of the butterflies of India. India has extremely diverse terrain , climate and vegetation , which comprises extremes of heat cold, desert and jungle, of low-lying plains and the highest mountains, of dryness and dampness, islands and continental areas, widely varying flora, and sharply marked seasons. [ 1 ]
Tirumala limniace is a small butterfly with wide wings. It has a wingspan of 90 to 100 millimeters, with the males being smaller than the females. The upper side of the wing is dark brown to black and patterned with bluish-white, semi-transparent spots and lines. [3] The blue of the bluish-white spots consists of the pigment pterobilin.
The Nymphalidae are the largest family of butterflies, with more than 6,000 species distributed throughout most of the world. Belonging to the superfamily Papilionoidea, they are usually medium-sized to large butterflies. Most species have a reduced pair of forelegs and many hold their colourful wings flat when resting.
Common Butterflies of India. Nature Guides. Bombay, India: World Wide Fund for Nature-India by Oxford University Press. ISBN 978-0195631647. Haribal, Meena (1992). The Butterflies of Sikkim Himalaya and Their Natural History. Gangtok, Sikkim, India: Sikkim Nature Conservation Foundation. Kunte, Krushnamegh (2000).
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