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.

Speckled Wood
A dappled brown-and-cream butterfly that thrives in the sun-flecked shade of woodland edges, where it perches on sunlit leaves to defend its territory.
butterfly
Sphinx Moth
A large, streamlined, fast-flying moth with narrow triangular wings and a robust, tapering body, famous for hovering at flowers at dusk like a hummingbird.
moth
Sacred Scarab
A stout, matte-black dung beetle famous for rolling balls of dung across the ground with its hind legs, and revered in Ancient Egypt as a symbol of the sun and renewal.
beetle
Snail
A shelled land mollusk that carries a coiled, calcium-carbonate shell on its back and glides slowly across damp gardens and vegetation on a slime-lubricated foot.
otherSoil Centipede
An extremely long, thin, worm-like centipede with dozens of leg pairs that burrows through soil using its elongated body rather than speed to get around.
myriapod
Prince Baskettail
One of the largest baskettail dragonflies, the Prince Baskettail is often seen tirelessly patrolling back and forth over water and open fields, rarely pausing to land.
dragonfly
Mosquito
A slender, long-legged fly with a needle-like proboscis, narrow wings, and a distinctive high-pitched wing hum, most active around dawn, dusk, and in shaded, humid areas.
fly
Mealworm
A tan, segmented larva with a shiny hard exoskeleton that tunnels through stored grain and flour before transforming into a darkling beetle.
caterpillar-larva
Milkweed Bug (Large Milkweed Bug)
A boldly patterned orange-and-black true bug found clustering on milkweed seed pods, sporting an elongated body with a distinctive black band across the wings.
true-bugHouse Spider
A small, round-bodied brown spider with mottled markings that spins tangled, irregular cobwebs in quiet corners, ceilings, and undisturbed indoor spaces.
spider
Giant Desert Hairy Scorpion
The largest scorpion in North America, a robust golden-brown giant covered in fine bristles that digs deep burrows in the desert sand and hunts after dark.
arachnid
Jewel Beetle
A sleek, bullet-shaped beetle wrapped in brilliant iridescent metallic colors — green, copper, blue, or gold — that seem to shift with the angle of light.
beetle
Kissing Bug
A dark, elongated true bug with a narrow, cone-shaped head and distinctive orange or red markings along the edges of its abdomen, most active at night.
true-bugHorse Fly
A stout, fast-flying fly with large iridescent eyes and a heavy, robust body, known for its persistent, buzzing pursuit of large mammals on warm summer days.
flyJune Bug
A chunky, reddish-brown to nearly black scarab beetle that bumbles noisily around porch lights on warm late-spring and early-summer evenings.
beetleCodling Moth Larva
The classic 'worm in the apple,' this pinkish-white caterpillar tunnels straight to the core of apples and pears, leaving a telltale frass-plugged entry hole behind.
caterpillar-larva
Convergent Ladybird Beetle
A common orange-red ladybird with black spots and two distinctive converging white lines on its thorax, widely valued as a natural aphid predator.
beetle
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.
spider
Elm Leaf Beetle
A yellow-green leaf beetle with dark side stripes that skeletonizes elm foliage and gathers in large numbers to overwinter in buildings.
beetleAedes Mosquito
A boldly patterned, day-active mosquito genus known for its black-and-white striped legs and habit of breeding in the smallest pockets of water.
flyMaggot
A pale, legless, tapering grub that wriggles through rotting food and organic waste, the larval stage of a fly.
caterpillar-larva
Yellow Jacket
A smooth-bodied, boldly banded black-and-yellow wasp with a narrow waist, often seen hovering aggressively around outdoor food and sugary drinks in late summer.
waspSun Spider
A fast-running, fiercely built desert arachnid with oversized jaws, often mistaken for a giant spider despite belonging to an entirely different arachnid order.
arachnid
Tiger Centipede
A large, banded desert centipede with alternating dark and pale segments reminiscent of tiger stripes, capable of a fast, muscular scuttle across sand and rock.
myriapod