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.
Monarch's Milkweed
A boldly orange-and-black true bug that shares milkweed plants with Monarch butterfly caterpillars, often clustering in large groups on seed pods and stems.
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Milkweed Bug
A bold orange-and-black true bug that clusters conspicuously on milkweed seed pods, its warning colours advertising the plant toxins it safely stores from its host.
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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.
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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.
flySoil Mite
A microscopic, heavily armored mite found by the millions in a single handful of soil, quietly breaking down leaf litter and helping build the fertile ground beneath forests and fields.
arachnid
Giant Swallowtail
The largest butterfly in North America, a dark brown giant marked with a bold diagonal yellow band and yellow spotting that forms an X-like pattern when the wings are spread.
butterflyCave Spider
A long-legged orb weaver adapted to the twilight zone of caves, spinning large webs across cavern mouths and dangling its egg sacs from silk threads deep within the darkness.
spider
Mud Wasp
A slender, thread-waisted solitary wasp famous for plastering rows of tube-shaped mud cells under eaves and porch ceilings, each one stocked with paralyzed spiders for its larva.
waspMesh Web Weaver
A tiny, easily overlooked spider that spins a loose, bluish tangle of fuzzy silk over twig tips and seed heads to snare small insects.
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Bed Bug
A small, flat, reddish-brown, wingless insect shaped like an apple seed that hides in mattress seams and bed frames by day and emerges at night to feed.
true-bugTussock Moth Caterpillar
A boldly tufted caterpillar bristling with dense brush-like hair tussocks and long dark pencil plumes that give it an almost punk-rock silhouette.
caterpillar-larvaCutworm
A plump, dull gray-brown caterpillar that hides in soil by day and emerges at night to sever young seedlings at the base, curling tightly into a C-shape when disturbed.
caterpillar-larvaHarvester 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.
ant
Weevil
A beetle instantly recognizable by its elongated, downward-curving snout tipped with tiny chewing mouthparts, used to bore into seeds, nuts, grain, and plant stems.
beetleWireworm
Slender, shiny, and armor-hard, the wireworm is the long-lived soil-dwelling larva of a click beetle, spending years underground feeding on seeds, roots, and tubers before ever taking beetle form.
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Mud Dauber
A slender, non-aggressive solitary wasp with a distinctively long, thread-like waist, known for constructing tube- or pot-shaped nests out of mud pellets on walls and eaves.
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Vapourer Moth
A small tussock moth with striking sexual dimorphism: rusty-orange, day-flying males with feathery antennae contrast with flightless, grub-like grey females that never leave their cocoon to lay eggs.
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Vaporer Moth
A tussock moth with dramatic sexual differences: the male is a small rusty-brown day-flying moth with a white wing spot, while the female is a flightless, wingless gray sac-like insect that never leaves her cocoon.
mothSoft Tick
A wrinkled, leathery, bean-shaped tick that hides by day in nests and cracks, emerging briefly at night to feed and then vanish again.
arachnid
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-bugBird Mite
A minute, pale to reddish mite that lives among feathers and nesting material of wild and domestic birds, sometimes dispersing into nearby buildings when nests are abandoned.
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Tussock Moth
A moth with a striking split lifestyle: winged, drab gray-brown males fly to seek out flightless, grub-like females, while the ornate caterpillars sport dense tufts of colorful bristly hair.
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Rhinoceros Beetle
A massive, heavily armored beetle whose males sport a single large, curved horn projecting forward from the head, used to shove and flip rival males in contests of strength.
beetle
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