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.
Snakefly
A slender predator named for its habit of rearing up its long, mobile neck like a tiny cobra when hunting or threatened.
otherBooklice (Psocid)
A tiny, soft-bodied, pale insect barely visible to the naked eye that grazes on mold and mildew in damp books, wallpaper, and stored goods.
otherWall Spider
A tiny, flattened spider that spins a small disc-shaped web hugging the surface of a wall and darts sideways in a quick, erratic dash when disturbed.
spider
Little Black Ant
A tiny, shiny jet-black ant that forms long, wandering foraging trails across lawns, patios, and kitchen counters in search of sweets and protein.
ant
Horn Fly
A tiny, dark fly that clusters in dense patches on the backs and shoulders of grazing cattle, using piercing mouthparts to take frequent small blood meals.
flyFlea Beetle
A tiny, shiny beetle that springs away like a flea when disturbed, leaving characteristic small round holes peppered across the leaves it feeds on.
beetle
Giant African Millipede
One of the largest millipedes in the world, a slow-moving, cylindrical detritivore covered in hundreds of tiny legs that curls into a tight defensive coil when disturbed.
myriapod
Tiger Beetle
A fast, metallic-hued ground beetle with oversized sickle-shaped jaws that sprints and short-flies down open sandy trails in pursuit of tiny prey.
beetle
Weevil
A beetle instantly recognizable by its elongated, downward-curving snout tipped with tiny chewing mouthparts, used to bore into seeds, nuts, grain, and plant stems.
beetle
Sand Fly
A tiny, densely hairy fly that holds its wings erect in a distinctive V-shape and travels in short, silent hops rather than sustained flight.
flyPhorid Fly
A tiny, hump-backed fly best known for scuttling erratically across countertops and floors rather than taking flight, drawn to anything rotting or moist.
fly
Fruit Fly (Vinegar Fly)
A tiny tan fly with bright red eyes that seems to appear from nowhere the moment a piece of fruit begins to overripen or a splash of wine is left uncovered.
flyAnt-mimicking Mantis
As a tiny nymph, this mantis moves in quick, jerky bursts to imitate a scurrying ant, a clever disguise it gradually sheds as it grows into a typical-looking adult mantis.
mantis-stick
Water Measurer
Thin as a splinter and slow-stepping across the surface film, the water measurer creeps along pond edges spearing tiny prey with its needle-like snout.
true-bug
Hummingbird Clearwing Moth
A robust, olive-and-burgundy day-flying moth with mostly transparent wings that hovers at flowers exactly like a tiny hummingbird, unspooling a long proboscis to sip nectar.
moth
Comb-footed Spider
A diverse family of spiders defined by a row of tiny serrated bristles on their hind legs, used like a comb to fling silk over prey and wrap it up in an instant.
spiderChigger
A nearly microscopic mite larva that waits in clusters on grass tips for a passing host, taking a single brief meal before dropping away unseen. Only this larval stage is parasitic; the free-living adult spends its life hunting tiny prey in the soil.
arachnid
Wolf Spiderling
A tiny, fast-moving juvenile wolf spider, often seen riding in dozens on its mother's back before dispersing to hunt on its own across open ground.
spider
Toad Bug
A squat, warty-looking true bug with bulging eyes and a mottled brown pattern, so named for its uncanny resemblance to a tiny toad as it hops along muddy shorelines.
aquatic-insect
Spotted Wing Drosophila
A tiny reddish-brown fruit fly, each male marked with a single dark spot near the wingtip, notable for laying eggs in ripening rather than overripe fruit.
fly
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.
true-bug
Carpet Beetle
A tiny, rounded beetle with a mottled scale pattern of white, brown, and yellow, whose bristly larvae are known for feeding on wool, fur, and other dried animal fibers indoors.
beetle
Book Scorpion
A tiny, flattened arachnid that looks like a scorpion in miniature, minus the tail, scuttling sideways through old paper and dusty corners while hunting even smaller pests.
arachnidCecropia Moth Caterpillar
North America's largest native caterpillar, a bulky blue-green giant studded with rows of bright red, yellow, and blue knobby tubercles resembling tiny coral formations.
caterpillar-larva