The Madagascan sunset moth is a day-flying moth of the Uraniidae family. It is considered to be one of the most impressive and beautiful Lepidoptera. Famous worldwide, it is featured in most coffee table books on the Lepidoptera and is much sought after by collectors. It is very colourful, though the iridescent parts of the wings do not have pigment; rather, the colours originate from optical interference. The moth was considered to be a butterfly by Dru Drury, who described it in 1773 and placed it in the genus cPapilio. Jaob Hübner placed it in the moth genus Chrysiridia in 1823. Later redescriptions led to junior synonyms such as Chrysiridia madagascariensis. At first the moth was thought to be from China or Bengal, but was later found to be endemic to Madagascar.
It is found throughout the year in most parts of the island, with peak
populations between March and August, and smallest numbers between
October and December. Females lay about 80 eggs under the leaves of Omphalea spp. The caterpillars are whitish-yellow with black spots and red feet and are covered in club-ended black setae. Silk spun from the mouth helps the caterpillars hold onto smooth leaves and climb back to the plant when they fall
Females lay about 80 eggs under the leaves of Omphalea spp. The caterpillars are whitish-yellow with black spots and red feet and are covered in club-ended black setae. Silk spun from the mouth helps the caterpillars hold onto smooth leaves and climb back to the plant when they fall. After completing four instars, the caterpillars spin an open network cocoon. The pupal stage lasts from 17 to 23 days.[16] Chrysiridia rhipheus is the sole specialist herbivore of the four species of Omphalea in Madagascar. Omphalea is toxic: the toxins are sequestered by the feeding caterpillar and retained in the pupal and adult stages.[17] Thousands of these moths migrate between the eastern and western ranges of their host plants.[16][17]
ARTICLE SOURCE,WWW.NEWSPAMA.COM
Females lay about 80 eggs under the leaves of Omphalea spp. The caterpillars are whitish-yellow with black spots and red feet and are covered in club-ended black setae. Silk spun from the mouth helps the caterpillars hold onto smooth leaves and climb back to the plant when they fall. After completing four instars, the caterpillars spin an open network cocoon. The pupal stage lasts from 17 to 23 days.[16] Chrysiridia rhipheus is the sole specialist herbivore of the four species of Omphalea in Madagascar. Omphalea is toxic: the toxins are sequestered by the feeding caterpillar and retained in the pupal and adult stages.[17] Thousands of these moths migrate between the eastern and western ranges of their host plants.[16][17]
ARTICLE SOURCE,WWW.NEWSPAMA.COM
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