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.
mothLouse Fly
A flattened, leathery-bodied fly that clamps onto fur or feathers with stout claws and scuttles sideways like a tiny crab rather than taking flight when disturbed. Several species shed their wings for good once they settle on a permanent host, spending the rest of their lives buried in fleece or plumage.
fly
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
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.
mantis-stick
Black Fly
A small, humpbacked black fly with clear wings that gathers in persistent swarms near flowing streams, favoring exposed skin around the head.
fly
Dogbane Beetle
A small, brilliantly iridescent leaf beetle that shifts between shades of green, gold, blue, and copper depending on the viewing angle, always found on dogbane plants.
beetleQuestion Mark Caterpillar
A spiny, variably colored caterpillar named for the silver question-mark-shaped mark on the underside of the adult butterfly's wings.
caterpillar-larvaTarantula Hawk Wasp
A giant metallic-blue wasp with rust-orange wings, the tarantula hawk is one of the largest wasps in the world. Females hunt tarantulas as living food for their single offspring.
wasp
Plume Moth
A slender, long-legged moth that rests with its wings rolled tightly and held out at right angles to its body, forming a distinctive letter-T silhouette.
moth
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.
dragonflyFire Ant Queen
The reproductive powerhouse of a fire ant colony, noticeably larger than the reddish worker ants and equipped with wings before she sheds them to found a new nest.
ant
Chinese Oak Silkmoth
A large, rust-brown silkmoth with prominent transparent eyespots on all four wings, native to oak forests of China and long cultivated there for coarse tussah silk production.
mothTsetse Fly
A stout grayish-brown fly of African woodlands whose rigid, forward-jutting proboscis and scissor-folded wings set it apart from any ordinary house fly.
fly
Fruit Fly
A tiny tan fly with prominent red eyes that swarms around overripe fruit, wine, and vinegar, appearing seemingly out of nowhere thanks to an extremely fast life cycle.
fly
Tarantula Hawk
One of the largest wasps in the world, with a glossy metallic blue-black body and vivid burnt-orange wings, famous for hunting tarantulas to provision a single underground burrow for its larva.
wasp
Monarch Butterfly
A large butterfly with bold orange wings crossed by black veins and a black, white-spotted border, famous for its multi-generational migration between North America and central Mexico.
butterfly
Lappet Moth
A large, richly textured moth with deeply scalloped, russet-brown wings that fold into an uncanny dead-leaf silhouette, one of the most convincing leaf mimics among European moths.
mothHummingbird Moth
Hovering at flowers with a blur of wings and a long uncoiling tongue, the hummingbird moth is easily mistaken for a tiny hummingbird. These plump, fast-flying hawk moths feed on nectar in broad daylight.
moth
Common Spreadwing
True to its family name, the Common Spreadwing perches with its wings held out at an angle rather than folded together, setting it apart from most other damselflies.
dragonfly
Indianmeal Moth
A small moth with two-toned, coppery-and-gray wings whose caterpillars spin silken webbing through stored grain, cereal, and dried fruit.
moth
Emperor Moth
A striking silk moth with a large eyespot on each of its four wings, showing pronounced differences between the smaller, orange-brown, day-flying males and the larger, greyer, night-flying females.
moth
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.
fly
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-bug
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.
fly