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.

Lesser Water Boatman
A flat-backed, oar-legged true bug that rows through pond water with fringed hind legs, surfacing periodically to trap a silvery bubble of air against its body.
true-bug
Honeybee
A fuzzy, golden-brown and black social bee that lives in large colonies, builds wax honeycomb, and is the primary managed pollinator of crops and wildflowers worldwide.
bee
Robber Fly
A powerfully built, bristly-faced predatory fly that ambushes other flying insects in midair, piercing them with a stout beak-like proboscis.
fly
Yellowjacket
A boldly striped black-and-yellow social wasp with a smooth, shiny body and a fast, darting flight, often noticed hovering around food and sugary drinks in late summer.
wasp
Boll Weevil
A small, grayish-brown snout beetle with a long, curved rostrum, historically famous for its close feeding association with cotton flower buds and bolls.
beetle
Hoverfly
A slender, bee- or wasp-patterned fly known for its remarkable ability to hover motionless in midair before darting suddenly to a new flower.
fly
Corn Earworm
A color-variable caterpillar, ranging from pale green to reddish-brown, that burrows headfirst into corn ears and is one of the most economically significant crop pests in North America.
caterpillar-larva
Wax Moth
A plain grey-brown moth whose larvae tunnel through beeswax honeycomb, spinning silk webbing as they feed, making it a well-known pest of beekeeping operations.
moth
Death's-head Hawkmoth
A large, thick-bodied hawkmoth instantly recognized by the pale, skull-and-crossbones marking on its furry thorax, famous for entering beehives and letting out a shrill squeak when disturbed.
moth
Corn Earworm Moth
A tan to olive-colored moth whose caterpillar, the corn earworm, is one of the most economically significant crop pests in North America, feeding inside corn ears, tomatoes, and cotton bolls.
moth
House Dust Mite
A microscopic, translucent mite that lives unseen in household dust, feeding on shed skin flakes accumulated in bedding and furniture.
arachnid
Barn Spider
A brownish, mottled orb weaver famous as the inspiration for Charlotte's Web, commonly found spinning large nightly webs on barns, porches, and other structures.
spider
Cucumber Beetle
A small, brightly colored beetle patterned with black spots or stripes on a yellow-green background, commonly seen crawling on the flowers and leaves of cucumber and squash plants.
beetle
Rice Weevil
A tiny reddish-brown weevil with a long curved snout and four faint pale spots on its wing covers, commonly found infesting stored rice, wheat, and other grain products.
beetle
Pleasing Fungus Beetle
A shiny, smooth-bodied beetle marked with bold red or orange bands on a glossy black background, commonly found feeding on bracket fungi growing on dead or dying hardwood trees.
beetle
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.
butterfly
Bottle Fly
A stout fly with a shining, metallic blue body that produces a loud, deep buzz and is commonly seen darting around trash cans, compost, and outdoor gatherings.
fly
Confused Flour Beetle
A tiny, flattened, reddish-brown beetle commonly found in stored flour and grain products, distinguished from its near-identical relative the red flour beetle mainly by its antennae shape.
beetle
Water Beetle
A smooth, dark, oval-bodied beetle adapted for swimming, commonly found paddling through ponds and marshes and periodically surfacing to renew a carried air supply.
aquatic-insect
Silvery Checkerspot
An orange-brown checkered butterfly named for the row of small silvery-white crescent spots along the underside hindwing margin, commonly seen nectaring at composite flowers in open habitats.
butterfly
Stone Centipede
A quick, flattened, reddish-brown centipede that darts for cover the instant its stone or log shelter is lifted, one of the most commonly seen centipedes in temperate gardens.
myriapod
Grasshopper
A robust, strong-jumping insect with short antennae and powerful hind legs, commonly seen springing away through grass and low vegetation on warm sunny days.
grasshopper-cricket
Spotted Cucumber Beetle
A small, elongated yellow-green beetle marked with twelve black spots across its wing covers, commonly seen on cucurbit and corn plants throughout the growing season.
beetle
Blue Bottle Fly
A robust fly with a glossy, metallic blue-black body and a loud buzzing flight, commonly seen around outdoor waste and occasionally indoors, easily recognized by its shiny coloring and bristly frame.
fly