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.
Leaf-Footed Bug
A large, elongated brown true bug named for the flattened, leaf-shaped expansions on its hind legs, often found feeding on fruits, seeds, and vegetables in gardens and orchards.
true-bug
Variable Dancer
True to its name, the Variable Dancer shows striking regional color variation, with eastern males often displaying a rich violet-purple hue rarely seen in other damselflies.
dragonfly
Spittlebug
A small hopping true bug best known in its nymph stage, which surrounds itself in a frothy mass of white foam on plant stems, commonly called cuckoo spit.
true-bugShield Bug (Stink Bug)
A broad, shield-shaped true bug that releases a sharp, pungent odour from glands on its body when disturbed, a defence that gives the whole family its common name.
true-bugMadagascan Sunset Moth
A day-flying moth with iridescent wings that shimmer through bands of green, blue, red, and gold, so vividly colored that it is frequently mistaken for a butterfly despite being a true moth.
moth
Minute Pirate Bug
A tiny, black-and-white patterned true bug barely visible without close inspection, the minute pirate bug is a voracious predator of thrips, mites, and insect eggs on flowers and foliage.
true-bug
Daddy Longlegs
A small, oval-bodied arachnid carried on extremely long, thread-like legs, distinct from true spiders in having a one-piece fused body and no silk glands or web.
arachnidRipple Bug
A tiny, dark true bug that skates across the surface film of calm water, producing the faint ripples that give it its common name as it hunts for small prey trapped at the surface.
aquatic-insect
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-bugJagged Ambush Bug
A stocky, irregularly angular true bug camouflaged among flower petals, equipped with thickened, raptorial front legs it uses to seize visiting pollinators far larger than itself.
true-bug
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
Wheel Bug
A large, gray, armored-looking true bug named for the distinctive cog-like crest rising from its back, one of the biggest and most unmistakable assassin bugs in North America.
true-bugLace Bug
A tiny, flattened true bug with delicately sculpted, lace-like wings resembling fine netting, the lace bug feeds in colonies on the undersides of leaves, leaving a stippled, bleached pattern on foliage.
true-bug
Assassin Bug
A slender, long-legged predatory true bug with a curved, needle-like beak used to ambush and pierce other insects, often patterned in bold orange, black, or red warning colors.
true-bug
Water Scorpion
An elongated, twig-like aquatic true bug with grasping raptorial forelegs and a long, thin breathing tube at the tail end, resembling a slender scorpion as it lies in ambush among submerged plants.
aquatic-insect
Marsh Treader
An extremely slender, thread-like true bug that walks slowly and deliberately across the water's surface on stilt-like legs, resembling a tiny floating twig as it hunts among marsh vegetation.
aquatic-insect
Harlequin Bug
A shield-shaped stink bug painted in bold black-and-orange (or red-and-yellow) blotches, making it one of the most colorful and easily recognized true bugs on cabbage and other cole crops.
true-bug
Green Shield Bug
A broad, shield-shaped true bug in solid bright green with a bronzy tinge in autumn, the green shield bug is one of the most commonly encountered stink bugs in European gardens and hedgerows.
true-bug
Whitefly
A tiny, moth-like white insect that clusters on the undersides of leaves and bursts into a snowy cloud when the plant is disturbed. Despite the name, it is not a true fly but a sap-feeding relative of aphids and scale insects.
true-bug
Western Conifer Seed Bug
A large brown true bug with flattened, leaf-shaped hind legs, native to conifer forests of the western United States but now widespread and notorious for gathering on and inside buildings as cooler weather approaches.
true-bug
Broad-Headed Bug
A slender, dark true bug with a notably wide head, whose nymphs are remarkable ant mimics that scurry among leaf litter before maturing into fliers that resemble small leaf-footed bugs.
true-bug
Bordered Plant Bug
A dark, oval-bodied true bug with a distinct pale margin around its wing edges, often mistaken for a large ant or beetle when its nymphs cluster together in tight groups.
true-bug
Giant Water Bug
A massive, flattened oval true bug with powerful grasping front legs, the giant water bug is North America's largest aquatic insect and an ambush predator lurking just below the surface of still water.
aquatic-insectBig-Eyed Bug
A small, broad-headed true bug named for its noticeably large, bulging compound eyes, the big-eyed bug is a beneficial predator that patrols low vegetation and soil surfaces for small pest insects.
true-bug