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Great Blue Hookwing
Napeocles jucunda
Napeocles jucunda, the great blue hookwing, is a South American butterfly of the family Nymphalidae. The species was first described by Jacob Hübner in 1808.
From the article Napeocles on Wikipedia (CC BY-SA), quoted section by section
Description
Napeocles jucunda can reach a wingspan of about 10 cm (3.9 in). These fairly large, wide-winged fine butterflies show a very hard projection on the hindmargins of the forewings, just below the tip, with a deep concavity below. The hindwings are round. The basic color is black or dark brown, with a broad blue to intense white band crossing the middle of the forewings and hindwings. The tip of the forewings shows also a small blue spot. The underside of the wings is colored like a wilted leaf, complete with "middle nerve".
Range & habitat
This species has been recorded in Peru, Bolivia, Venezuela, Brazil, and French Guiana.
Wikipedia: “Distribution”
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Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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Every page naming Napeocles jucunda 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 537734.