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.



Pronunciation
How to pronounce Chlosyne janais: //kloʊˈsaɪni ˈdʒæn.aɪs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
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
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- Bug Eric: Bosque del Apache National Wildlife Refuge
- Bug Eric: January 2016
- 2018 Arizona Insect Collecting Trip “iReport” | Beetles In The Bush
- Aggregation facilitates larval growth in the neotropical nymphalid butterfly Chlosyne janais