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.
Poplar Hawk-Moth
A large, grayish-brown hawk-moth with an unusual resting posture in which the hindwings project forward past the forewings, revealing a hidden rust-red patch when disturbed.
mothMaggot
A pale, legless, tapering grub that wriggles through rotting food and organic waste, the larval stage of a fly.
caterpillar-larva
Polyphemus Moth
A large tan-to-golden-brown silkmoth named for the mythological one-eyed giant, thanks to the single large, transparent eyespot on each hindwing that flashes into view when the moth is startled.
moth
Pavement Ant
A stocky brown to black ant famous for the dramatic "ant wars" its colonies wage along sidewalk cracks each spring.
ant
Rocky Mountain Wood Tick
A robust, ornately patterned tick of the western mountains that clings to shrubs and grasses waiting to grab a passing mammal.
arachnid
Ghost Mantis
A small, angular mantis crowned with a leaf-shaped crest, so thoroughly disguised as a withered leaf that it seems to vanish into dead foliage.
mantis-stick
Cabbage Looper
A pale green caterpillar with thin white stripes that arches its back into a loop as it inches along cabbage and other garden leaves.
caterpillar-larva
Gypsy Moth Caterpillar
A hairy, mottled gray caterpillar marked with rows of paired blue and red dots down its back, notorious for periodic outbreak years that can strip entire forests bare.
caterpillar-larva
Armyworm
A striped, greenish-brown caterpillar that gets its name from its habit of migrating in dense, destructive groups across grass and grain fields.
caterpillar-larva
Asparagus Beetle
A small, boldly patterned blue-black beetle with cream and orange-red markings that clusters on emerging asparagus spears in spring.
beetle
Mexican Bean Beetle
A copper-colored, spotted beetle resembling an overgrown ladybird that feeds on bean plant leaves along with its spiny yellow larvae.
beetle
Marbled White
A striking checkerboard butterfly with bold black-and-white wing patterning, despite its name it belongs to the brown butterfly family rather than the whites.
butterfly
Flour Beetle
A tiny, shiny reddish-brown beetle that infests flour, cereal, and other dry stored foods, often found in dense clustered populations.
beetle
Black Garden Ant
A familiar small, glossy black ant that forms visible foraging trails across patios and garden paths and nests beneath stones, pavers, and lawns.
ant
Blue-winged Grasshopper
A drab, camouflaged grasshopper that startles onlookers with a sudden flash of bright blue hindwings the instant it takes flight.
grasshopper-cricket
Common Whitetail Dragonfly
A stocky pond-side dragonfly whose mature males sport a broad, chalky white abdomen that flashes conspicuously against boldly banded wings.
dragonfly
Boxelder Bug (Eastern)
A flat, black true bug boldly trimmed in red-orange lines, famous for massing by the hundreds on sun-warmed walls and tree trunks each autumn.
true-bug
Cabbage White
A common, small white butterfly with one or two black wing spots, whose green caterpillars are a familiar sight feeding on cabbage-family garden plants.
butterfly
Casemaking Clothes Moth
A small mottled moth whose larva builds a tiny portable silk case, dragging its own protective shelter along as it grazes on wool and fur.
moth
Bagworm
A caterpillar that constructs and lives inside a spindle-shaped case of silk and plant debris, dragging its portable shelter along as it feeds on tree foliage.
caterpillar-larva
Asian Giant Hornet
The world's largest hornet, an imposing orange-and-black wasp with a wide head and long stinger, best known for raiding honey bee colonies to feed its brood.
wasp
Varied Carpet Beetle
A tiny beetle mottled with white, brown, and yellow scales that, as a fuzzy larva, quietly grazes on natural fibers tucked away in closets and attics.
beetle
Ten-lined June Beetle
A large, brown scarab beetle marked with bold white racing stripes down its wing covers, known for its loud buzzing flight and hissing defensive squeak.
beetleTarantula 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