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.

Scale Insect

A small, immobile insect that appears as a flat or domed, waxy bump firmly attached to a stem or leaf, easily mistaken for a plant blemish rather than a living creature.

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Leaf Insect

A living illusion, this flattened green insect reproduces the veins, edges, and even blemishes of a real leaf so precisely that it can vanish while resting in plain sight.

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Walking Stick Insect

Walking Stick Insect

A master of disguise that has evolved to look almost exactly like a twig, bark or leaf, remaining motionless for hours to avoid the notice of hungry birds and lizards.

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Water Stick Insect

Water Stick Insect

An extraordinarily twig-like aquatic predator that lies motionless among pond weed, grasping passing prey with spiny raptorial forelegs while breathing through a long tail-like snorkel.

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Goliath Stick Insect

Goliath Stick Insect

One of the largest stick insects in the world, this vivid green giant unfurls startling crimson underwings when startled, briefly abandoning its disguise as foliage.

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Javanese Leaf Insect

Javanese Leaf Insect

A broad, veined, leaf-green body makes this insect nearly indistinguishable from the foliage it feeds on, a masterclass in disguise native to the forests of Southeast Asia.

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Indian Stick Insect

Indian Stick Insect

A slender, twig-mimicking insect so unremarkable in stillness that it disappears among the stems it feeds on, one of the most widely raised stick insects in the world.

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Giant Prickly Stick Insect

Giant Prickly Stick Insect

A hefty, spine-covered phasmid that mimics dead leaves and curled bark, and when threatened, arches its abdomen like a scorpion's tail in a dramatic bluff display.

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Dragonfly

Dragonfly

A large, agile aerial predator with an elongated body, enormous compound eyes, and two pairs of strong wings held straight out to the sides at rest, often seen patrolling over water in search of prey.

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Drain Fly

Drain Fly

A tiny, fuzzy gray-tan fly with broad, moth-like wings held tent-fashion over its body, often seen resting motionless on bathroom walls near drains.

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Dragonhunter

North America's largest clubtail, the Dragonhunter is a powerful predator that lives up to its name by capturing and eating other dragonflies, including species nearly its own size.

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Dragonfly Nymph

Dragonfly Nymph

A stocky, camouflaged underwater predator that spends months or years stalking prey along the pond bottom before transforming into an aerial dragonfly.

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Emperor Dragonfly

Emperor Dragonfly

One of Europe's largest and most powerful dragonflies, a fast, high-flying hunter with a bright sky-blue abdomen in males and a commanding, tireless patrol over open water.

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Green Darner Dragonfly

Green Darner Dragonfly

One of the largest and most widespread dragonflies in North America, its green thorax and target-marked face make it unmistakable as it patrols open water on powerful wings.

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Lily Leaf Beetle

A brilliant scarlet-red beetle with a jet-black head, legs, and underside that feeds almost exclusively on true lilies and fritillaries, often stripping leaves down to bare stems.

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Vietnamese Walking Stick

Vietnamese Walking Stick

A slender tropical stick insect popular in classrooms and terrariums, notable for females that can produce healthy offspring entirely on their own, without ever mating.

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Cochineal

Cochineal

A tiny, sedentary scale insect that lives clustered on prickly pear cacti beneath a protective coat of white, waxy fluff, historically prized for the deep red pigment it produces.

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Walking Stick

Walking Stick

A remarkably twig-like insect with a long, slender, brown to green body and thin legs, so effective at mimicking a plant stem that it can be nearly invisible while motionless on vegetation.

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Giant Walking Stick

Giant Walking Stick

The longest insect in the United States, this brown, thread-thin giant sways gently on its perch to complete the illusion of a wind-stirred twig.

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Spittlebug

Spittlebug

A small hopping true bug best known in its nymph stage, which surrounds itself in a frothy mass of white foam on plant stems, commonly called cuckoo spit.

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Mealybug

Mealybug

A soft, oval insect coated in a powdery white waxy secretion that gives it a fuzzy, cotton-like appearance, typically found clustered in leaf joints and along stems of houseplants.

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Hickory Horned Devil

Hickory Horned Devil

An enormous, blue-green caterpillar armed with long, curved orange-red horns tipped in black, giving it a fearsome dragon-like appearance despite being completely harmless.

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Rocky Mountain Locust

Once the most destructive insect in North American history, this swarming grasshopper vanished within a few decades of forming the largest insect swarm ever recorded.

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Alderfly

A small, dusky-winged insect that flutters weakly among streamside alders and shrubs, the diminutive relative of the mighty dobsonfly.

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