Morpho (genus)
Morpho is a genus of Neotropical butterflies renowned for their iridescent blue wings, although many species also exhibit other colours such as green, purple, and brown. These butterflies are found primarily in the rainforests of South America, Central America, and Mexico.
Characteristics:
- Size: Morpho butterflies are generally large, with wingspans ranging from 7.5 cm (3 inches) to 20 cm (8 inches), depending on the species.
- Coloration: The vibrant, metallic colours seen in many Morpho species are not due to pigments, but rather to the microscopic structure of the wing scales. This structure causes light interference, resulting in iridescence. The underside of the wings is typically brown with eyespots, serving as camouflage when the butterfly is at rest.
- Flight: They are known for their strong, erratic flight, often seen gliding high above the forest canopy.
- Diet: Adult Morphos primarily feed on the juices of fermenting fruit, tree sap, and fungi. They do not typically visit flowers for nectar.
- Larvae: Morpho caterpillars are often brightly coloured and may be gregarious. They feed on a variety of plant species, depending on the Morpho species. Some have urticating hairs for defense.
Classification:
Morpho is classified within the family Nymphalidae, subfamily Morphinae. The genus contains numerous species and subspecies, with ongoing taxonomic revisions.
Ecology and Conservation:
Morpho butterflies play a role in their ecosystem as pollinators and as a food source for various predators. Habitat loss due to deforestation poses a significant threat to many Morpho species. The striking beauty of these butterflies also makes them popular in the insect trade, which can further impact wild populations. Conservation efforts focus on protecting rainforest habitats and promoting sustainable land management practices.