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Common Sailer
Plate 1 of 7. (c) Frank Model, some rights reserved (CC BY-NC), uploaded by Frank Model · via iNaturalist

Common Sailer

Neptis hylas

Neptis hylas, the common sailor, is a species of nymphalid butterfly found in the Indian subcontinent and southeast Asia. It has a characteristic stiff gliding flight achieved by short and shallow wingbeats just above the horizontal. It is also present in Italy in a humid limited zone near Gorizia and Slovenia.

Bengali name: চরবাতাসি

Continue reading on Wikipedia

From the article Neptis hylas on Wikipedia (CC BY-SA), quoted section by section

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Description

Dry-season form - Upperside black, with pure white markings. Forewing discoidal streak clavate (club shaped), apically truncate, subapically either notched or sometimes indistinctly divided; triangular spot beyond broad, well defined, acute at apex, but not elongate; discal series of spots separate, not connate (united), each about twice as long as broad; postdiscal transverse series of small spots incomplete, but some are always present. Hindwing: subbasal band of even or nearly oven width; discal and subterminal pale lines obscure; postdiscal series of spots well separated, quadrate or subquadrate, very seldom narrow. Underside from pale golden ochraceous to dark ochraceous almost chocolate; white markings as on the upperside, but broader and defined in black. Forewing: interspaces 1a and 1 from base to near the apex shaded with black, some narrow transverse white markings on either side of the transverse postdiscal series of small spots. Hindwing a streak of white on costal margin at base, a more slender white streak below it; the discal and subterminal pale lines of the upperside replaced by narrow white lines with still narrower margins of black. …

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Range & habitat

Throughout continental India; Sri Lanka; Assam; Nepal; Myanmar (Tenasserim), extending to China and Indomalaya.

Wikipedia: “Distribution”

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Neptis hylas in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 130339.