A luna moth carries pale green wings and twisting tails. A rosy maple moth can be pink and yellow. At the quieter end of the spectrum, the buff-tip moth’s broken-twig disguise makes an insect resemble a piece of wood. Moths offer far more variety than the small brown shapes many people notice around a porch light.

These 20 species show that variety through color, shape and behavior. Their scientific names help separate similar common names, while food plants and geographic range add clues that a photograph alone can’t provide. Wingspan figures describe adults and vary naturally; a maximum measurement doesn’t represent every individual.

Jump to a moth

1. Luna moth · 2. Atlas moth · 3. Emperor moth · 4. Cecropia moth · 5. Io moth

6. Polyphemus moth · 7. Rosy maple moth · 8. White witch moth · 9. Hummingbird hawk-moth · 10. Garden tiger moth

11. Comet moth · 12. Madagascan sunset moth · 13. Regal moth · 14. Spanish moon moth · 15. Twin-spotted sphinx moth

16. Oleander hawk-moth · 17. Elephant hawk-moth · 18. Chinese moon moth · 19. Giant leopard moth · 20. Cherry spot moth

1. Luna moth (Actias luna)

A luna moth’s pale green wings end in two long, curved tails. The adult usually spans about 3–4 inches (7.5–10.5 centimeters), enough to make its outline conspicuous when it rests in an eastern North American woodland.

Those tails have a defensive job. Research described by the Florida Museum shows that they can divert a hunting bat’s strike away from the moth’s body. Adults don’t feed, so the energy gathered by caterpillars on trees such as birch, hickory and sweetgum must also sustain flight and reproduction.

2. Atlas moth (Attacus atlas)

Translucent patches interrupt the atlas moth’s rust-brown wings, and the curved forewing tips resemble snakes’ heads. With a reported maximum span of about 10.6 inches (27 centimeters), this Asian moth makes most familiar garden species look small.

Its size doesn’t mean a large adult appetite. The feeding apparatus is reduced, and adults live on reserves accumulated as caterpillars. Its native forests include parts of India, China, Malaysia and Indonesia. Even the translucent wing patches serve as identification clues: the pattern depends on clear areas as well as colored scales.

3. Emperor moth (Saturnia pavonia)

The emperor moth has four prominent eyespots, but the sexes don’t wear identical colors. Males show warmer orange hindwings; females are generally grayer and larger. The male’s broad, featherlike antennae are another useful clue.

In Britain, heathland and moorland are good places to look for this species in spring. Males fly during daylight while searching for females by scent. Caterpillars use plants including heather, bramble and blackthorn. The name here refers specifically to Saturnia pavonia, rather than every species called an emperor moth.

4. Cecropia moth (Hyalophora cecropia)

Red, white and gray give the cecropia moth a layered pattern that extends from its banded body onto its wings. Pale crescents and broad border markings are more useful identification features than size alone, although a wingspan around 4.3–5.9 inches (11–15 centimeters) is substantial.

It inhabits eastern North America, where caterpillars eat leaves from several kinds of trees, including maples, willows and cherries. The cocoon can remain attached to a twig through winter. Like the luna and atlas moths, the adult cecropia doesn’t visit flowers for a meal.

5. Io moth (Automeris io)

A resting Io moth can conceal its most recognizable feature. When the forewings move aside, each hindwing reveals a large dark eyespot with a pale center. Males are often yellow, while females tend toward reddish brown.

The caterpillar demands more caution than the adult’s soft appearance suggests. Its branched spines can deliver a painful sting, so identification is best done without touching. The species occurs across a broad stretch of eastern North America and south into Mexico. Both sexes share the hindwing display, despite the difference in their forewing colors.

The next group includes a moth disguised as bark, a daylight hoverer and one of the widest-winged insects on Earth.

6. Polyphemus moth (Antheraea polyphemus)

At first, a polyphemus moth may look like another large brown leaf. Open wings reveal the much larger eyespots on the hindwings, surrounded by contrasting rings. Adults commonly span about 4–6 inches (10–15 centimeters).

The name refers to Polyphemus, the Cyclops of Greek mythology, rather than to the moth’s actual eyes. It occurs through much of North America. Its cocoon may remain among leaves on a branch or end up in fallen foliage, a reason that winter leaf litter can contain far more life than it appears to.

7. Rosy maple moth (Dryocampa rubicunda)

Pink wings and a yellow body make the rosy maple moth an unusually colorful member of the silkmoth family. Yet the familiar pink-and-yellow pattern isn’t universal: some individuals are much paler, with creamy or almost white areas.

Adults measure roughly 1.3–2.2 inches (3.2–5.5 centimeters) across the wings. The species lives in eastern North America, including wooded suburbs where suitable trees grow. Its caterpillar, the greenstriped mapleworm, eats maple leaves and can also use certain oaks. A pale moth shouldn’t be ruled out solely because it lacks the expected bright pink.

8. White witch moth (Thysania agrippina)

The white witch demonstrates how an enormous wing surface can still work as camouflage. Fine gray and brown markings break up its pale wings, helping a resting moth merge with patterned bark. Exceptional specimens can approach a 12-inch (30-centimeter) wingspan; that’s a maximum, not a typical measurement.

Its range extends through tropical parts of the Americas. As with the dead leaf butterfly’s camouflage, the effect depends on the insect’s surroundings. Look beyond the outline: repeating marks can make even a very large animal difficult to separate from its background.

9. Hummingbird hawk-moth (Macroglossum stellatarum)

The hummingbird hawk-moth’s feeding behavior is often the first thing an observer notices. It hovers in daylight, reaching into a flower with its long proboscis while its wings beat rapidly. Orange hindwings contrast with the quieter brown-gray forewings.

Adults migrate into Britain from southern Europe, with numbers varying between years. Flowers such as honeysuckle and red valerian provide nectar, while the caterpillars feed on bedstraws. Its wingspan is around 2–2.3 inches (5–5.8 centimeters). Movement gives it away even when its smaller markings are difficult to see.

10. Garden tiger moth (Arctia caja)

The garden tiger’s upper wings combine pale bands with dark brown patches. Beneath them, orange-red hindwings carry dark spots. A moth with its wings closed therefore presents a very different pattern from one with them spread.

This night-flying species inhabits places including gardens, meadows and woodland edges. Its hairy caterpillar is one of the larvae commonly called woolly bears and feeds on plants such as nettles and docks. Adult wingspans are roughly 2–3.1 inches (5–7.8 centimeters). Don’t assume that every hairy caterpillar belongs to this species.

Madagascar supplies the next two standouts, but their bright wings serve very different purposes.

11. Comet moth (Argema mittrei)

The comet moth is found only in Madagascar’s rainforests. Rounded markings interrupt its yellow wings, while long extensions of the hindwings trail behind its body. Males can reach a wingspan of about 8 inches (20 centimeters); females have rounder wings.

Another difference lies in the antennae. Males have conspicuously feathery antennae that detect the scent of a potential mate. Adults don’t feed and live only briefly after emerging from their cocoons. The energy for those flights has to come from food eaten during the caterpillar stage.

12. Madagascan sunset moth (Chrysiridia rhipheus)

Green, orange and black make the Madagascan sunset moth a particularly clear counterexample to the idea that moths must be dull or nocturnal. It flies during the day and is native to Madagascar.

Its warning colors aren’t simply a bluff. The Oxford University Museum of Natural History explains that caterpillars eat toxic Omphalea plants and retain plant toxins into adulthood. The adult’s colors advertise a real chemical defense. For a predator, the conspicuous wings can therefore serve as a warning about the moth itself.

13. Regal moth (Citheronia regalis)

The regal moth, also called the royal walnut moth, has gray forewings crossed by orange-red veins and dotted with pale markings. Its wingspan can reach about 6.3 inches (16 centimeters), making it another large silkmoth of eastern North America.

Its caterpillar has an equally memorable name: the hickory horned devil. Larvae feed on trees including hickories, walnuts and sweetgum. When ready to pupate, they burrow into the ground rather than constructing a silken cocoon on a branch. That difference is a useful reminder that even related moths can spend winter in different places.

14. Spanish moon moth (Actias isabellae)

The Spanish moon moth’s green wings are crossed by dark veins, with eyespots and trailing hindwings adding to the pattern. Some references use the name Graellsia isabellae, so both names can appear during an identification search.

Despite the common name, its native distribution includes parts of France as well as Spain. Mountain pine forests are central to its life cycle: the caterpillars feed on pines, including Scots pine. That dependence on pines ties the adult’s brief flying season to the trees that support its much less conspicuous juvenile stage.

15. Twin-spotted sphinx moth (Smerinthus jamaicensis)

The twin-spotted sphinx combines subdued forewings with pinkish hindwings and a contrasting blue patch. Black markings can divide that blue patch into one, two or three apparent eyespots. The uneven edge of the forewing offers another clue.

Adults span approximately 1.8–3.3 inches (4.5–8.3 centimeters) and occur in North American woodlands. Their caterpillars feed on trees including willow, poplar, birch and apple. Unlike nectar-feeding hawk-moths such as the hummingbird hawk-moth, this species doesn’t feed as an adult. Its caterpillars supply the food reserves on which the adult relies.

The final five shift from green camouflage to dramatic sexual differences and leopard-like spotting.

16. Oleander hawk-moth (Daphnis nerii)

Sweeping patches of green, cream and muted pink cover the oleander hawk-moth’s forewings. The pattern remains recognizable when the insect rests with its wings angled alongside its body. Its wingspan is about 3.5–5.1 inches (9–13 centimeters).

British sightings are unusual: the species is a rare migrant, most often recorded in southern coastal areas. Caterpillars elsewhere in its range use oleander and periwinkle. The bold adult pattern and the larval association with these plants offer two different ways to begin recognizing the species.

17. Elephant hawk-moth (Deilephila elpenor)

The elephant hawk-moth brings pink and olive tones to a compact, streamlined body. With a wingspan of about 1.8–2.4 inches (4.5–6 centimeters), it’s considerably smaller than an atlas or cecropia moth.

The name points to the caterpillar, whose shape can suggest an elephant’s trunk. Larvae use plants including willowherbs and fuchsias, while adults take nectar and can be seen feeding around dusk. Recognizing both stages is useful in a garden: the large caterpillar on a plant and the pink moth at a flower are parts of the same life cycle.

18. Chinese moon moth (Actias dubernardi)

The two sexes of Actias dubernardi can give very different impressions. Males combine pink and yellow, while females are paler and can appear blue-green. Long hindwing tails give both an extended outline, but a single color description can’t capture the species.

Its caterpillars are associated with conifers. Breeder Bart Coppens documents successful feeding on pines in captivity, while specialist literature discusses fir as a likely natural host. These accounts distinguish this Chinese species from moon moths whose caterpillars use broad-leaved trees. Captive feeding records, however, don’t by themselves establish the full wild diet.

19. Giant leopard moth (Hypercompe scribonia)

The giant leopard moth’s white wings carry dark spots, many with pale centers. Those markings give a better starting point for identification than the word “giant”: published adult wingspans range from about 2.2 to 3.6 inches (5.7–9.1 centimeters).

The species occurs in eastern North America. Caterpillars use a variety of broad-leaved plants, including violets, dandelions and willows. Here again, the larva and adult look dramatically different. A dark, hairy caterpillar doesn’t suggest the crisp white-and-black wings it will later develop.

20. Cherry spot moth (Diaphone eumela)

The cherry spot adds an African member of the family Noctuidae to a list rich in silkmoths and hawk-moths. Its scientific name is Diaphone eumela, and records place it in countries including Kenya, Tanzania and South Africa.

Its caterpillars use a range of plants, including bulb-forming Ornithogalum and Crinum. The common name offers no reliable shortcut to that diet. Knowing the host plant can help connect a caterpillar found among garden leaves with an adult moth that looks entirely different.

What to notice beyond the wings

Start an identification with location and date, then record the resting posture, antennae and visible wing markings. A photograph from above may miss the hindwing eyespots that distinguish a species. Don’t force an insect’s wings apart to reveal them; wait for a natural change in position.

A flower bed can feed an adult moth without feeding its caterpillars. Larvae need the appropriate leaves or other plant tissues, not simply a source of nectar. Some moths in this guide never feed as adults at all. For a garden intended to support moths, choose suitable local host plants as well as nectar plants, rather than treating every moth as a nighttime flower visitor.

The winter stage also changes what helpful habitat looks like. A cecropia cocoon may hang from a twig; a polyphemus cocoon may lie among leaves; a regal moth pupa develops underground. Undisturbed corners can protect stages that aren’t obvious during the flying season.

Field guides for a closer look

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For caterpillar identification, Caterpillars of Eastern North America by David L. Wagner focuses on the larval stage. For a compact illustrated introduction to both groups, Butterflies and Moths by Robert T. Mitchell and Herbert S. Zim offers a different starting point. Choose a guide that covers the region where you’re looking.

On the next moth sighting, a note about the plant underneath it may be as useful as a photograph of its wings. That small detail can connect an attractive adult to the place its next generation needs.

Which moth surprised you most: the bat-deflecting luna moth, the toxic Madagascan sunset moth or the stinging Io caterpillar?