What you see here is the amazing caterpillar of Saturniidae moth. The family Saturniidae includes the largest species of moths which generally feature heavy bodies covered in hair-like scales, lobed wings, reduced mouthparts, and small heads. But this one is truly spectacular.
Saturniidae moths, often referred to as giant silk moths, are some of the most spectacular moths in the world. Their wingspans can stretch from a modest 3 inches to a remarkable 12 inches. In fact, the largest moth is part of this family. The Atlas Moth (Attacus atlas) can grow larger than a human palm. In the case of this species (as with most moths), the females are bigger than the males.
Their larvae are also large, but that’s not the most spectacular thing about them. These caterpillars are adorned with bright hues and an impressive array of spikes and hairs. They look most spectacular right after shedding their exoskeleton.
We don’t know for sure why the caterpillars have this extremely intricate appearance. However, it could be to deter predators. If attacked, the larvae can curl up in a ball, protecting its head with spines. This sting can be painful even to humans, so to a smaller predator, this can be a big deterrent. Here’s a detailed description of how this moth species develops as a caterpillar.
When the moth grows up, it looks like this:
However, this is far from the only spectacular species of moths.
Amazing moths
Butterflies get all the good reputation, but moths are just as amazing (if not more so). Moths are nocturnal insects belonging to the order Lepidoptera, which they share with butterflies. Unlike butterflies, which are generally diurnal (active during the day) and tend to have slender bodies with clubbed antennae, moths usually have feathery or comb-like antennae and more robust, furry bodies. Moths also tend to rest with their wings flat against their bodies, while butterflies typically rest with their wings closed above their bodies.
While both moths and butterflies undergo metamorphosis, moths tend to have duller colors but are more diverse, with around 160,000 species compared to 17,500 butterfly species. Saturniidae moths alone have over 2,300 species globally.
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Some moths have fake eyes, known as eyespots, on their wings as a defense mechanism against predators. These eyespots mimic the appearance of the eyes of larger animals, which can startle or intimidate potential threats like birds or lizards, giving the moth a chance to escape.
From caterpillars to fully grown moths, these species are truly striking. Their appearances, including fake eyespots and unique antennae, serve as both beauty and protection in the wild.
Their conservation is an important reminder of the beauty of the natural world — and how it’s not always where you expect it to be.
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