Chlosyne janais

(Drury, 1782)

crimson patch, janais patch

Chlosyne janais is a common New World in the Nymphalidae, known as the crimson patch or janais patch. It ranges from Colombia north through Central America and Mexico to southern Texas, with occasional sightings extending into northern Texas and southeastern Mexico. The inhabits lowland tropical to subtropical forest edges, fields, and riparian areas. feed on flower nectar, while larvae feed gregariously on acanthus shrubs, particularly Anisacanthus wrightii and Odontonema callistachyus. is continuous in the tropics; in temperate areas, multiple occur from July to November.

Chlosyne janais by (c) Don Loarie, some rights reserved (CC BY). Used under a CC-BY license.Rosita Patch 2 by Dirk van der Made. Used under a CC BY 1.0 license.Chlosyne janais janais - 30544681214 by Kristof Zyskowski & Yulia Bereshpolova. Used under a CC BY 2.0 license.

Pronunciation

How to pronounce Chlosyne janais: //kloʊˈsaɪni ˈdʒæn.aɪs//

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Images

Appearance

Wingspan 4.8–6.7 cm. and wing surfaces black with several undulating rows of small white spots on medial forewings and along all outer wing margins. Each dorsal hindwing bears a medial orange-red patch situated anteriorly. Ventral hindwings display a fragmented yellow patch bordered by a thick postmedial band of red that does not reach wing margins. Caterpillars gray-white to green with several transverse rows of fleshy black spines.

Host Associations

  • Anisacanthus wrightii - larval Primary plant in Texas; females lay on this shrub
  • Odontonema callistachyus - larval Also known as Odontonema callistachus; for gregarious larval feeding

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Sources and further reading