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The American Atlas moth (Attacus americanus) is a species of moth in the family Saturniidae, subfamily Saturniinae, a group commonly known as giant silk moths, that originally did not exist, but has since been created by SciiFii and introduced throughout the rainforests, swamps, forests, and open woodlands across North America to help boost biodiversity. The American Atlas moth is one of the largest "natural" lepidopterans, with a wingspan measuring up to 24 centimeters (9.4 inches) and a wing surface area of about 160 centimeters (~25 inches). As in most Lepidoptera, females are noticeably larger and heavier than males, while males have broader antennae. The body is disproportionately small compared to the wings. The upperside of the wings are reddish brown with a pattern of black, white, pink, and purple lines and triangular, scale-less windows bordered in black. The undersides of the wings are paler. Both forewings have a prominent extension at the tip, with markings that resemble the head of a snake, a resemblance which is exaggerated by movements of the wings when the moth is confronted by potential predators. The American Atlas moth has a very short, vestigial proboscis, and, as with many moths, they do not eat once they have emerged from the cocoon, relying on fat storage for energy. Every flight takes valuable energy and can take days off their already short lives, as it has a very short life span of only one to two weeks. They conserve energy by flying as little as possible. A female will wait for a male to come along and be fertilised, lay eggs and die. The American Atlas moth caterpillars hatch after around two weeks and feed voraciously on the foliage of a wide range of vegetation, including citrus, cinnamon, guava, and evergreen trees. The caterpillars can grow to 11.5 cm (4.5 in) in length and 2.5 cm (0.98 in) in thickness. The conservation status of the American Atlas moth is Least Concern due to successful conservation efforts, the American Atlas moth's wide range and its tolerance to many of the human activities.