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.
true-bugLeaf 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
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
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
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
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.
mantis-stickSmall Tortoiseshell
A vivid orange-red European garden butterfly patterned with black and yellow blocks and a border of blue crescents, one of the most familiar and widely recognized butterflies across its range.
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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
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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Small Emperor Moth
A striking day-flying moth with large eyespots on all four wings, gray-brown coloring in males and paler gray in the larger females, native to heathlands and open countryside across Europe.
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Small Milkweed Bug
A red-and-black seed bug with a distinctive X-shaped pattern on its back, commonly found feeding on milkweed seeds and sap alongside monarch caterpillars.
true-bugDarkling Beetle
A uniformly dark, matte-black ground beetle often seen walking deliberately across open soil, known for tilting its rear end skyward in a distinctive defensive posture when disturbed.
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Comet Darner
One of North America's largest and fastest dragonflies, blazing across open water with a fiery red abdomen that gives it its cometary name.
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Common Green Darner
A large green-and-blue dragonfly and the official state insect of Washington, best known among dragonfly watchers for an annual migration that spans multiple generations.
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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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Blue-eyed Darner
A large, fast-flying darner with brilliant sky-blue eyes that meet in a seam across the top of the head, patrolling ponds and open fields well into the evening.
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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
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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Cabbage White Butterfly
A small, plain white butterfly with one or two black spots on each forewing and dark wingtips, one of the most common and widespread garden butterflies in the world.
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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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American Copper
A small, bright orange-and-black butterfly with fiery copper-colored forewings and dusky gray hindwings edged in orange, commonly seen darting low over weedy fields and vacant lots.
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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
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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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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