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.

Death's-head Hawkmoth

Death's-head Hawkmoth

A large, thick-bodied hawkmoth instantly recognized by the pale, skull-and-crossbones marking on its furry thorax, famous for entering beehives and letting out a shrill squeak when disturbed.

moth
Bark Louse

Bark Louse

A small, soft-bodied insect often seen in dense, moving herds on tree trunks, the bark louse grazes on algae, lichen, and fungal residue coating bark surfaces.

other
Cone-headed Katydid

Cone-headed Katydid

A large, grass-colored katydid named for its sharply pointed, cone-shaped head, best known for producing some of the loudest, most sustained buzzing calls of any North American insect.

grasshopper-cricket
Broad-Headed Bug

Broad-Headed Bug

A slender, dark true bug with a notably wide head, whose nymphs are remarkable ant mimics that scurry among leaf litter before maturing into fliers that resemble small leaf-footed bugs.

true-bug
Lantern Bug (Peanut-head Bug)

Lantern Bug (Peanut-head Bug)

A bizarre rainforest planthopper whose head is drawn out into a huge, hollow, peanut-shaped snout, and whose hindwings flash a pair of large eyespots resembling the face of a small reptile.

true-bug
Mouse Spider

Mouse Spider

A stout, glossy burrowing spider named for its supposed mouse-like agility, with males often sporting a strikingly colored head and jaws.

spider
Tiger Swallowtail Caterpillar

Tiger Swallowtail Caterpillar

A smooth green caterpillar with a swollen thorax marked by two large fake eyespots, giving it an uncanny resemblance to a tiny snake's head.

caterpillar-larva
Black Fly

Black Fly

A small, humpbacked black fly with clear wings that gathers in persistent swarms near flowing streams, favoring exposed skin around the head.

fly
Planthopper

Planthopper

A varied group of sap-feeding true bugs known for their sideways-held wings, jumping ability, and, in some tropical species, exaggerated head projections used for display.

true-bug
Anopheles Mosquito

Anopheles Mosquito

A slim, mottled-winged mosquito best known for the distinctive head-down, tail-up posture it strikes while resting on walls and vegetation.

fly
Mesh Web Weaver

Mesh 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.

spider
Blue-eyed Darner

Blue-eyed Darner

A large, fast-flying darner with brilliant sky-blue eyes that meet in a seam across the top of the head, patrolling ponds and open fields well into the evening.

dragonfly
Praying Mantis

Praying Mantis

An elongated, ambush-hunting insect instantly recognizable by its triangular head, bulging compound eyes, and spiked raptorial forelegs held folded as if in prayer while it waits motionless for prey.

mantis-stick
African Mantis

African Mantis

A large, sturdy green or brown mantis frequently found perched on garden shrubs, patiently scanning for insect prey with its sharply angled triangular head.

mantis-stick
Kissing Bug

Kissing Bug

A dark, elongated true bug with a narrow, cone-shaped head and distinctive orange or red markings along the edges of its abdomen, most active at night.

true-bug
Dogface Butterfly

Dogface Butterfly

A striking yellow sulphur butterfly whose forewing pattern forms the silhouette of a dog's or poodle's head complete with a dark 'eye' spot, visible in good light.

butterfly
Blue-fronted Dancer

Blue-fronted Dancer

A bright blue head and thorax paired with a dark, blue-tipped abdomen give the Blue-fronted Dancer its name, as it hops and flutters along sunny riverbanks in loose groups.

other
Asian Giant Hornet

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
Japanese Beetle

Japanese Beetle

A small, iridescent beetle with a metallic green head and thorax and coppery-bronze wing covers, notorious for skeletonizing the leaves of roses, grapevines, and hundreds of other garden plants.

beetle
Deer Fly

Deer Fly

A small but aggressive fly with strikingly patterned, dark-banded wings and bright green or gold eyes, often circling the head and shoulders while hunting for a blood meal.

fly
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
Lily Leaf Beetle

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.

beetle
Fall Armyworm

Fall Armyworm

A brownish-green caterpillar marked with a pale inverted "Y" on its head, notorious for rapid, large-scale outbreaks that devastate corn and other grass crops across the globe.

caterpillar-larva
Grub Worm

Grub Worm

A plump, C-shaped, creamy-white larva with a distinct brown head, living underground where it feeds on grass and plant roots before eventually maturing into a scarab beetle.

beetle