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.

Mud Dauber

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.

wasp
Goliath Stick Insect

Goliath Stick Insect

One of the largest stick insects in the world, this vivid green giant unfurls startling crimson underwings when startled, briefly abandoning its disguise as foliage.

mantis-stick
Bald-faced Hornet

Bald-faced Hornet

A black-and-white social wasp, actually a type of yellowjacket rather than a true hornet, best known for building large, football-shaped gray paper nests suspended from tree branches or eaves.

wasp
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
Peck's Skipper

Peck's Skipper

A tiny, tawny-orange and brown skipper with a bold, irregular yellow patch on the underside of the hindwing that looks almost like a splash of paint.

butterfly
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
Zebra Longwing

Zebra Longwing

A slow-flying, long-winged black butterfly striped boldly with yellow, unusual among butterflies for feeding on pollen as an adult, which extends its lifespan to several months.

butterfly
Luna Silkmoth

Luna Silkmoth

A large, pale lime-green silkmoth with long, trailing tails on its hindwings and delicate eyespots, widely regarded as one of the most striking moths in North America.

moth
Calico Pennant

Calico Pennant

This small, boldly patterned skimmer flashes red or yellow wing patches and heart-shaped abdominal spots as it flutters low over pond vegetation like a tiny pennant flag.

dragonfly
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

Red Paper Wasp

A large, rusty-red paper wasp that builds open, umbrella-shaped nests under eaves and in sheltered structures, often seen hovering near its comb.

wasp
Chinese Oak Silkmoth

Chinese Oak Silkmoth

A large, rust-brown silkmoth with prominent transparent eyespots on all four wings, native to oak forests of China and long cultivated there for coarse tussah silk production.

moth

Dobsonfly Larva (Hellgrammite)

A large, fierce-looking aquatic larva with strong pinching jaws and fringed side gills, spending years hunting under stream rocks before becoming a giant winged dobsonfly.

aquatic-insect
Earwig

Earwig

A slender, reddish-brown insect easily identified by the pair of curved, forceps-like pincers at the tip of its abdomen, often found hiding under mulch, bark, or garden debris by day.

other
Antheraea Silkmoth

Antheraea Silkmoth

A large, robust silkmoth in the genus Antheraea with broad reddish-brown to tan wings, each marked with a prominent transparent, eye-like spot, representing a group of giant moths long valued for producing wild silk.

moth
Desert Locust

Desert Locust

A large, powerful grasshopper capable of forming some of the most extensive and historically devastating insect swarms on Earth, transforming from a solitary desert dweller into a densely packed migrating horde under the right conditions.

grasshopper-cricket
Orange-barred Sulphur

Orange-barred Sulphur

One of the largest sulphur butterflies, bright yellow with a bold band of deep orange across the forewing and a solid orange wash on the hindwing in males.

butterfly
Eastern Lubber Grasshopper

Eastern Lubber Grasshopper

One of the largest grasshoppers in North America, the eastern lubber is a slow, flightless giant clad in bold black, yellow, and red that announces its presence rather than hiding from it.

grasshopper-cricket
Cicada Killer Wasp

Cicada Killer Wasp

One of the largest wasps in North America, a robust rust-and-black or yellow-marked digger wasp that excavates burrows in bare soil and specializes in hunting cicadas to provision its underground nest.

wasp
Golden Silk Orb Weaver

Golden Silk Orb Weaver

Suspended in a massive, glinting web strung between trees along a forest trail, the golden silk orb weaver is one of the largest and most striking web-building spiders in the Americas, spinning silk with a distinctive yellow-gold sheen.

spider
American Cockroach

American Cockroach

The largest common house-infesting cockroach, a reddish-brown, glossy insect with long antennae and a pale yellowish band edging the shield behind its head, capable of both fast running and short bursts of flight.

other
Brimstone Butterfly

Brimstone Butterfly

A sulphur-yellow, leaf-shaped butterfly whose folded wings mimic a fresh green leaf so convincingly it is often credited as the origin of the word 'butterfly'.

butterfly
Soldier Beetle

Soldier Beetle

A slender, soft-bodied beetle in orange and black or yellow and brown, often seen clustered on late-summer flowers where it feeds on pollen, nectar, and small insects.

beetle
Little Wood-Satyr

Little Wood-Satyr

A small, weak-flying brown butterfly with two prominent yellow-ringed eyespots on each wing, common along shaded woodland edges in late spring.

butterfly