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.

Redback Spider
A glossy black spider marked with a single bold red stripe down its back, the redback spider is one of Australia's most recognizable cobweb spiders, most often found tucked into dry, sheltered corners around homes and gardens.
spider
Fire Ant
A small reddish-brown ant that builds loose, crater-less dirt mounds in sunny open turf and mobilizes large numbers of workers rapidly when the nest is disturbed.
ant
Spider Mite
A speck-sized arachnid that spins fine silk webbing across infested leaves as it pierces plant cells for their contents, leaving behind a telltale stippled, bronzed appearance. Populations can explode rapidly in hot, dry weather, making it a familiar garden and greenhouse pest.
arachnidFire 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
Two-Spotted Spider Mite
A near-microscopic mite that spins fine silk webbing over leaves as it feeds, leaving foliage stippled and pale.
arachnid
Flour Beetle
A tiny, shiny reddish-brown beetle that infests flour, cereal, and other dry stored foods, often found in dense clustered populations.
beetle
Milkweed Leaf Beetle
A large, boldly colored leaf beetle in glossy orange-red with irregular black patches, found feeding exclusively on milkweed plants alongside monarch caterpillars.
beetleChigger
A nearly microscopic mite larva that waits in clusters on grass tips for a passing host, taking a single brief meal before dropping away unseen. Only this larval stage is parasitic; the free-living adult spends its life hunting tiny prey in the soil.
arachnid
Mexican Redknee Tarantula
One of the most recognizable tarantulas in the world, this heavy-bodied spider has jet-black legs banded with vivid orange-red at each joint, and defends itself by kicking a cloud of irritating hairs from its abdomen rather than attacking.
spider
Flame Skimmer
A blazing orange-red dragonfly of western waterways, the Flame Skimmer perches boldly on sunlit rocks and twigs, its amber-tinted wings glowing like embers in flight.
dragonfly
Comet Darner
One of North America's largest and fastest dragonflies, blazing across open water with a fiery red abdomen that gives it its cometary name.
dragonflyOwlfly
An acrobatic, dragonfly-mimicking predator instantly given away by its long, clubbed antennae, a feature no true dragonfly ever has.
other
Eastern Pondhawk
A bold, ground-perching dragonfly whose bright green females and powdery blue males look almost like different species, and which readily preys on other dragonflies.
dragonfly
Common Sanddragon
A sand-colored clubtail dragonfly that perches flat on bare, sunlit riverbank sand, nearly vanishing against the grains around it.
dragonfly
Wandering Glider
One of the most widely traveled insects on Earth, this golden dragonfly rides high-altitude winds across oceans and continents, rarely landing as it forages endlessly on the wing.
dragonfly
Four-spotted Skimmer
A brown, sturdily built dragonfly marked with a single dark spot on each wing, this holarctic species is famous for occasional mass emergences and long-distance swarming flights.
dragonfly
Halloween Pennant
With broad orange-amber wings banded in dark brown, this dragonfly perches conspicuously atop tall grass stems, swaying like a small flag in the breeze.
dragonfly
Broad-Bodied Chaser
A stout, flat-bodied dragonfly that is often the first to colonise a new garden pond, with males showing a powdery pale blue abdomen and females a warm golden-brown one.
dragonfly
Roseate Skimmer
A vivid pink-violet dragonfly of southern wetlands, the mature male's rose-pruinose body makes it one of the most striking skimmers found around ponds and canals.
dragonfly
Black Saddlebags
A large, nearly all-black dragonfly with a bold dark patch draped across the base of each hindwing, patrolling high over ponds and open ground like a small kite.
dragonfly
Damselfly
A slender, delicate relative of the dragonfly with widely spaced eyes and slim wings that fold together over its back at rest, often seen fluttering weakly among reeds and grasses at the water's edge.
dragonfly
Prince Baskettail
One of the largest baskettail dragonflies, the Prince Baskettail is often seen tirelessly patrolling back and forth over water and open fields, rarely pausing to land.
dragonfly
Boxelder Bug
A slender black true bug marked with three bold red-orange stripes on its thorax and red wing veins, famous for massing by the hundreds on tree trunks and sun-warmed walls in autumn.
true-bug
Painted Skimmer
The Painted Skimmer's warm amber-and-brown mottled wings look like they were dabbed with a paintbrush, making this medium-sized skimmer one of the more artistically marked dragonflies in the East.
dragonfly