Bug Identifier

Bug Encyclopedia

Search and identify bugs & insects — beetles, butterflies, moths, ants, bees, spiders and more — with size, habitat, danger, behavior, and how to tell them apart.

Old Lady Moth

Old Lady Moth

A large, dusky brown noctuid moth with an intricate, wood-grain-like pattern of dark streaks and pale flecks across broad wings, often found resting motionless in sheds and against tree bark by day.

moth
Viceroy Butterfly

Viceroy Butterfly

An orange-and-black butterfly closely resembling the monarch, distinguished by a smaller size and a distinctive black line crossing the veins of the hindwing, and long cited as a classic example of mimicry between two unrelated species.

butterfly
Brimstone Butterfly

Brimstone Butterfly

A sulphur-yellow, leaf-shaped butterfly whose folded wings mimic a fresh green leaf so convincingly it is often credited as the origin of the word 'butterfly'.

butterfly
Monarch Butterfly

Monarch Butterfly

A large butterfly with bold orange wings crossed by black veins and a black, white-spotted border, famous for its multi-generational migration between North America and central Mexico.

butterfly
Bogong Moth

Bogong Moth

A modest brown, mottled moth famous for its extraordinary mass seasonal migration across thousands of kilometers to cool alpine caves in the Australian mountains, forming one of the largest known insect migrations by biomass.

moth
Eyed Hawk-Moth

Eyed Hawk-Moth

A pinkish-brown hawk-moth that reveals a pair of large, blue-and-black eyespots on its hindwings when threatened, using the sudden flash of "eyes" to startle would-be predators.

moth
Bagworm

Bagworm

A caterpillar that constructs and lives inside a spindle-shaped case of silk and plant debris, dragging its portable shelter along as it feeds on tree foliage.

caterpillar-larva

Maggot

A pale, legless, tapering grub that wriggles through rotting food and organic waste, the larval stage of a fly.

caterpillar-larva
Vaporer Moth

Vaporer Moth

A tussock moth with dramatic sexual differences: the male is a small rusty-brown day-flying moth with a white wing spot, while the female is a flightless, wingless gray sac-like insect that never leaves her cocoon.

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Silver Y Moth

Silver Y Moth

A fast-flying, day-active noctuid moth named for the metallic silver Y- or gamma-shaped mark on each mottled grey-brown forewing, famous for its long-distance migratory flights.

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Ruby Tiger Moth

Ruby Tiger Moth

A small, warm reddish-brown tiger moth with plain rosy-tinted forewings and pink-flushed hindwings dotted with dark spots, often seen resting openly on vegetation in sunny, open habitats.

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Buff-tip Moth

Buff-tip Moth

A moth so convincingly disguised as a broken birch twig that it is often overlooked entirely, with silvery-gray wings and pale buff patches at the tip and base that complete the illusion of snapped, weathered wood.

moth
Vapourer Moth

Vapourer Moth

A small tussock moth with striking sexual dimorphism: rusty-orange, day-flying males with feathery antennae contrast with flightless, grub-like grey females that never leave their cocoon to lay eggs.

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Cabbage White

Cabbage White

A common, small white butterfly with one or two black wing spots, whose green caterpillars are a familiar sight feeding on cabbage-family garden plants.

butterfly
Great Tiger Moth

Great Tiger Moth

A boldly patterned tiger moth with chocolate-brown and cream lace-like markings on the forewings and vivid orange hindwings spotted with blue-black, one of the most visually striking moths in temperate gardens.

moth
Privet Hawk-Moth

Privet Hawk-Moth

The largest resident hawk-moth in much of northern Europe, with streaked brown forewings and a striking abdomen banded in pink and black stripes.

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Rosy Maple Moth

Rosy Maple Moth

A small, plush-looking moth in candy-pink and lemon-yellow, often described as one of the most vividly colored moths in North America despite its modest size.

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Cecropia Moth

Cecropia Moth

North America's largest native moth, the Cecropia is a spectacular giant silkmoth with reddish-brown wings marked by crescent-shaped white spots and bold bands of red, white, and tan.

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Peppered Moth

Peppered Moth

A medium-sized moth with finely speckled black-and-white wings that camouflage it against lichen-covered bark, world-famous as a textbook example of evolution in action during the industrial era.

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Gypsy Cutworm Moth

A plain, mottled grey-brown night-flying moth whose stout, soil-dwelling larvae are known as cutworms for their habit of severing young plant stems near ground level.

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Swallowtail Butterfly

Swallowtail Butterfly

A large, showy butterfly named for the elongated, tail-like extensions on its hindwings, often seen gliding gracefully around gardens and flowering meadows.

butterfly
Garden Tiger Moth

Garden Tiger Moth

A boldly patterned tiger moth with chocolate-brown, cream-marbled forewings that flash to reveal vivid orange hindwings dotted with blue-black spots when the moth is disturbed.

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White Ermine Moth

White Ermine Moth

A soft, fuzzy white moth speckled with small black dots, resembling the ermine fur trim after which it is named, commonly seen resting on vegetation or attracted to lights on summer nights.

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Hummingbird Moth

Hovering at flowers with a blur of wings and a long uncoiling tongue, the hummingbird moth is easily mistaken for a tiny hummingbird. These plump, fast-flying hawk moths feed on nectar in broad daylight.

moth