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Atlas Moth
Attacus atlas Fjärilshuset Stockholm
Information
Range Southeast Asia
Scientific Classification
Kingdom Animalia
Phylum Arthropoda
Class Insecta
Family Saturniidae
Genus Attacus
Species Attacus atla

The Atlas Moth is a species from the Attacus genus. It is found in the tropical and subtropical forests of Southeast Asia, and common across the Malay archipelago.

AppearanceEdit

Atlas moths are predominantly tawny to maroon in colour with roughly triangular, diaphanous "eyes" on both forewing and hindwing, bordered in black. The purpose of these dramatic, gossamer portals is not clear, but they are thought to play a role in predator avoidance. Their bodies are hairy and disproportionately small compared to their wings. Patterns and colouration vary among the many described subspecies. Male Atlas moths are distinguished from females by their smaller size, more tapered wings, and larger, bushier antennae.

BehaviorEdit

Atlas moths are attracted to lights at night. Females are sexually passive, releasing powerful pheromones which males detect and home in on with the help of chemoreceptors located on their large feathery antennae. Males may thus be attracted from several kilometres downwind. Atlas moths are unsteady fliers, and the female does not stray far from the location of her discarded chrysalis, instead, she seeks a perch where the air currents will best carry her pheromones.

Edit

HabitatEdit

Atlas moths live in habitats from the lowlands to upper mountain forests, and loco

DietEdit

The larvae feed on many kinds of trees, including Jamaican cherry, soursop, cinnamon, rambutan, guava, and citrus. The moths lack developed mouthparts and do not feed.

LifespanEdit

Eggs
Caterpillar
Pupae
Adult
Atlas Moth EGGS
Attacus atlas cat
800px-Attacus atlas-botanical-garden-of-bern 10
Attacus atlas Fjärilshuset Stockholm

Once mated, the female lays a number of spherical eggs 2.5 mm in diameter on the undersides of leaves. Dusty-green caterpillars hatch after about two weeks and feed voraciously on the foliage of certain citrus and other evergreen trees. The caterpillars are adorned with fleshy spines along their backs which are covered in a waxy white substance. After reaching a length of about 115 millimetres (4.5 in), the caterpillars pupate within papery cocoon interwoven into desiccated leaves. The adult moths emerge after about four weeks.

GalleryEdit

  • An Atlas Moth.
  • Eggs of an Atlas Moth.
  • Caterpillar stage of an Atlas Moth.
  • Pupae of an Atlas Moth.

FactsEdit

  • Atlas moths are considered the largest moths in the world in terms of total wing surface area . Their wingspans are also amongst the largest, reaching over 25 cm. Females are appreciably larger and heavier.

SourceEdit

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