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.
Lily Leaf Beetle
A brilliant scarlet-red beetle with a jet-black head, legs, and underside that feeds almost exclusively on true lilies and fritillaries, often stripping leaves down to bare stems.
beetleHarvester Ant
A large, industrious desert ant that clears a bare, sunburned disk of ground around its nest entrance while collecting and storing seeds by the thousands.
antMouse Spider
A stout, glossy burrowing spider named for its supposed mouse-like agility, with males often sporting a strikingly colored head and jaws.
spider
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
Ruby Meadowhawk
A small, brilliant-red dragonfly of late summer meadows, so intensely colored that mature males seem to glow when perched low in the grass.
dragonfly
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.
antFire 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
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.
beetle
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
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.
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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.
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Asparagus Beetle
A small, boldly patterned blue-black beetle with cream and orange-red markings that clusters on emerging asparagus spears in spring.
beetle
Gypsy Moth Caterpillar (Spongy Moth)
A bristly, blue-and-red-spotted caterpillar that can strip entire hardwood forests bare during major outbreak years.
caterpillar-larvaBand-winged Grasshopper
A camouflaged grasshopper that flashes vivid yellow, red, or blue hindwings in flight before vanishing again into the dust the instant it lands.
grasshopper-cricket
Comet Moth (Madagascan Moon Moth)
One of the largest and most spectacular silk moths in the world, with pale yellow-to-red wings and extraordinarily long, ribbon-like tails on the hindwings.
mothGiant Leopard Moth Caterpillar
A jet-black, bristly caterpillar that curls into a tight ball to reveal bright red-orange bands between its segments when disturbed.
caterpillar-larva
Seven-spotted Ladybird
A classic bright red ladybird with exactly seven black spots, one of the most iconic and widely recognized beetles in the world.
beetleMourning Cloak Caterpillar
A gregarious, velvety black caterpillar speckled with white dots and a striking row of brick-red spots down its back, often seen feeding in clusters on willow branches.
caterpillar-larva
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
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
Io Moth Caterpillar
A bright lime-green caterpillar bristling with clusters of branching, stinging spines and thin red and white racing stripes along its sides.
caterpillar-larva
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.
dragonfly
Asian Lady Beetle
A highly variable orange-to-red ladybird beetle, often bearing many black spots or none at all, famous for swarming into homes in large numbers during autumn.
beetle