Bug Identifier

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.

Vinegar Fly

Vinegar Fly

A tiny tan fly with bright red eyes that seems to appear out of nowhere the moment a banana starts to spoil, drawn in by the smell of fermentation rather than the fruit itself. Few insects have contributed more to the science of genetics, making this unassuming kitchen visitor one of the most studied animals on Earth.

fly
Hummingbird Clearwing Moth

Hummingbird Clearwing Moth

A robust, olive-and-burgundy day-flying moth with mostly transparent wings that hovers at flowers exactly like a tiny hummingbird, unspooling a long proboscis to sip nectar.

moth
Orange Tip

Orange Tip

A dainty white butterfly whose males flash vivid orange wingtip patches, while both sexes show a beautifully marbled green-and-white pattern on the underwings.

butterfly
Western Honey Bee

Western Honey Bee

The familiar golden-brown, fuzzy-banded honey bee kept worldwide for honey production and crop pollination, living in large perennial colonies built around wax comb and a single egg-laying queen.

bee
Milkweed Bug (Large Milkweed Bug)

Milkweed Bug (Large Milkweed Bug)

A boldly patterned orange-and-black true bug found clustering on milkweed seed pods, sporting an elongated body with a distinctive black band across the wings.

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Green Shield 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.

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Two-Spotted Spider Mite

Two-Spotted Spider Mite

A near-microscopic mite that spins fine silk webbing over leaves as it feeds, leaving foliage stippled and pale.

arachnid
Bumblebee

Bumblebee

A large, round, densely furry bee with bold black-and-yellow banding, known for its loud, low-pitched buzz and its ability to fly and forage in cooler temperatures than most other bees.

bee
Monarch's Milkweed

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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Stinging Rose Caterpillar

Stinging Rose Caterpillar

A boldly striped slug caterpillar in candy-like tones of yellow, orange, and purple, crowned with tufted spine clusters that can sting on contact.

caterpillar-larva
Marsh Fly

Marsh Fly

A slender, unassuming fly best known for larvae with a remarkable diet: nearly every species in the family feeds on aquatic or terrestrial snails and slugs, making marsh flies natural specialists in wetland food webs. Adults are often found resting quietly on sedges and other marsh vegetation near the water's edge.

fly
Fireflies Larvae Glowworm

Fireflies Larvae Glowworm

The larval form of fireflies, often called glowworms, are flattened, segmented crawlers that glow with a steady greenish light. These little predators hunt slugs, snails, and worms in damp ground.

beetle
Ghost Ant

Ghost Ant

A minuscule ant with a dark head and pale, nearly translucent legs and abdomen that seem to vanish against light-colored surfaces, giving the species its ghostly common name.

ant
Cobweb Spider

Cobweb Spider

A common household spider that spins a messy, three-dimensional tangle of silk in dark corners and drags entangled insects up into the maze to feed.

spider
Mealworm Beetle

Mealworm Beetle

A shiny, oval, dark reddish-brown to nearly black beetle whose larva, the familiar 'mealworm,' is a common sight in stored grain products.

beetle
Orange Sulphur

Orange Sulphur

A vivid orange-and-yellow butterfly with sharp black wing borders, one of the most common butterflies over open fields and alfalfa crops throughout North America.

butterfly
Convergent Ladybird Beetle

Convergent Ladybird Beetle

A common orange-red ladybird with black spots and two distinctive converging white lines on its thorax, widely valued as a natural aphid predator.

beetle
Field Ant

Field Ant

A large, common outdoor ant that builds conspicuous mound nests of soil and plant debris in sunny open ground and defends itself by spraying formic acid rather than stinging.

ant
Africanized Honeybee (Killer Bee)

Africanized Honeybee (Killer Bee)

A hybrid strain of the western honey bee, nearly identical in appearance to common honey bees but known for more easily triggered, faster, and more numerous defensive responses when a colony is disturbed.

bee
Metallic Wood-boring Beetle

Metallic Wood-boring Beetle

The North American common name for jewel beetles, emphasizing the wood-tunneling habits of their larvae, which leave telltale flattened, D-shaped exit holes in bark of stressed or dying trees.

beetle
American Copper

American Copper

A small, bright orange-and-black butterfly with fiery copper-colored forewings and dusky gray hindwings edged in orange, commonly seen darting low over weedy fields and vacant lots.

butterfly
Stable Fly

Stable Fly

A gray fly that looks almost identical to the common house fly, but carries a rigid, forward-pointing proboscis built for piercing skin rather than sponging up liquids.

fly
Damsel Bug

Damsel Bug

A slender, tan to brown true bug with a narrow head and elongated front legs adapted for grasping, the damsel bug is a common predator patrolling foliage for soft-bodied insects.

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Shield Bug (Stink Bug)

Shield 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.

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