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.

Indian Meal Moth
A small, distinctively two-toned moth with pale grey-tan inner wings and coppery-reddish outer wings, widely recognized as the most common moth found infesting stored dry food products in homes.
moth
Devil's Flower Mantis
One of the largest mantis species on Earth, this striking insect can suddenly rear up and fan out vividly colored wings and legs into a dramatic, flower-like threat display.
mantis-stickGall Wasp
A minuscule, rarely seen wasp whose larvae trigger plants, especially oaks, to grow distinctive round or spiky growths called galls that serve as both shelter and food supply.
waspIronclad Beetle
A slow-moving, mottled gray beetle famed for having one of the hardest, most crush-resistant exoskeletons of any insect, often found clinging motionless to dead wood or tree bark.
beetle
Ear Mite
A microscopic, pale mite that lives out its entire life cycle within the ear canal of its host, completing egg to adult development in a warm, sheltered environment without ever leaving.
arachnid
Deer Fly
A small but aggressive fly with strikingly patterned, dark-banded wings and bright green or gold eyes, often circling the head and shoulders while hunting for a blood meal.
fly
Dogface Butterfly
A striking yellow sulphur butterfly whose forewing pattern forms the silhouette of a dog's or poodle's head complete with a dark 'eye' spot, visible in good light.
butterfly
Centipede
A fast-moving, flattened, many-legged predator with one pair of long legs per body segment, instantly recognizable by its speed and, in the house centipede, its remarkably long, banded legs.
myriapod
Cloudless Sulphur
A large, bright lemon-yellow butterfly that flies with strong, direct wingbeats and rarely shows any dark markings, giving it an almost uniformly 'cloudless' appearance.
butterfly
Brown-banded Cockroach
A small, glossy tan-brown cockroach marked with two light bands across its wings, often found tucked into furniture and warm upper rooms rather than kitchens and bathrooms.
other
Deathwatch Beetle
A small, mottled brown wood-boring beetle famous for the faint ticking sound it makes by tapping its head against wood, historically associated with old timber-framed buildings.
beetleCricket
A dark, round-headed jumping insect best known for the rhythmic chirping song produced by males rubbing their forewings together, often heard rather than seen after dusk.
grasshopper-cricket
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.
arachnid
Cellar Spider
A pale, long-legged spider that builds loose, irregular webs in dark corners and is famous for rapidly vibrating in its web when disturbed, causing it to blur into an indistinct shape.
spider
Case-bearing Clothes Moth
A tiny, drab tan moth whose larva constructs and carries a small portable silk case as it feeds on wool, fur, and other keratin-based fibers, making it a recognized fabric pest in homes.
mothCamel Cricket
A wingless, humpbacked cricket with unusually long legs that gives it a spider-like appearance, often startling people when it turns up in damp basements or crawl spaces.
grasshopper-cricket
Calico Pennant
This small, boldly patterned skimmer flashes red or yellow wing patches and heart-shaped abdominal spots as it flutters low over pond vegetation like a tiny pennant flag.
dragonfly
Cabbage Bug
A small, metallic shield bug patterned in contrasting patches of black with red, white, or yellow, closely tied to cabbage and other brassica crops across Europe and Asia.
true-bugWater Boatman Bug
A boat-shaped little swimmer that rows through pond water with oar-like hind legs, grazing on algae rather than hunting other animals.
true-bugTube Web Spider
A sleek, cylindrical spider that lives inside a silk-lined tube and dashes out to seize insects that stumble across its radiating trip-lines.
spiderPredaceous Diving Beetle
A sleek, streamlined beetle built for underwater hunting, carrying its own air supply as it patrols ponds in search of prey.
aquatic-insect
Money Spider
A tiny sheet-weaving spider, often seen drifting through the air on silk threads, traditionally said to bring good luck when it lands on you.
spiderMesh Web Weaver
A tiny, easily overlooked spider that spins a loose, bluish tangle of fuzzy silk over twig tips and seed heads to snare small insects.
spiderGiant Leopard Moth Caterpillar
A jet-black, bristly caterpillar that curls into a tight ball to reveal bright red-orange bands between its segments when disturbed.
caterpillar-larva