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.

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
Sphinx Moth

Sphinx Moth

A large, streamlined, fast-flying moth with narrow triangular wings and a robust, tapering body, famous for hovering at flowers at dusk like a hummingbird.

moth
Spider Wasp

Spider Wasp

A quick, nervous-flying solitary wasp with long spiny legs and constantly flicking wings, recognized for its habit of running across open ground in short bursts while hunting spiders to paralyze and store for its young.

wasp
Bumblebee Moth

Bumblebee Moth

A fuzzy, day-flying sphinx moth that hovers at flowers like a bee, with mostly clear wings and a black-and-yellow banded body that mimics a bumblebee.

moth
Zebra Swallowtail

Zebra Swallowtail

A sleek, triangular-winged swallowtail striped boldly in black and pale green-white like a zebra, with long tails and red-and-blue accent spots, whose caterpillars feed exclusively on pawpaw trees.

butterfly
Tussock Moth

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.

moth
Mourning Cloak

Mourning Cloak

A dark, velvety maroon-brown butterfly edged with a ragged cream-yellow border and a row of iridescent blue spots, notable for overwintering as an adult and often being one of the very first butterflies seen flying in early spring.

butterfly

Glowworm Beetle

A beetle whose females remain larva-like and glowing for their entire lives, producing rows of soft greenish light along their segmented, worm-like bodies, while males develop into small, feathery-antennaed flying beetles.

beetle

Firefly

A soft-bodied, dusk-flying beetle famous for the bioluminescent flashes it produces from its abdomen to attract mates on warm summer evenings.

beetle
Squash Vine Borer

Squash Vine Borer

A day-flying, wasp-mimicking moth whose orange fuzzy hind legs and metallic wings make it easy to mistake for a wasp as it darts around squash vines.

moth

Snowberry Clearwing Moth

A day-flying sphinx moth with black-and-yellow banding and mostly transparent wings that closely mimics a bumblebee, hovering at flowers to feed through a long uncoiled proboscis.

moth
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

Damselfly Nymph

A slender aquatic predator with three feathery tail gills, patiently stalking small prey among pond plants before emerging as a delicate flying damselfly.

aquatic-insect

Madagascan Sunset Moth

A day-flying moth with iridescent wings that shimmer through bands of green, blue, red, and gold, so vividly colored that it is frequently mistaken for a butterfly despite being a true moth.

moth
Hummingbird Hawk-Moth

Hummingbird Hawk-Moth

A day-flying moth that hovers in front of flowers on blurring wings while unspooling a long proboscis to sip nectar, so closely mimicking a hummingbird in flight that it is frequently mistaken for one.

moth
American Grasshopper

American Grasshopper

A large, strong-flying grasshopper related to the locusts of the Old World, the American grasshopper can occasionally form dense, damaging aggregations across the southern United States.

grasshopper-cricket

Horse Fly

A stout, fast-flying fly with large iridescent eyes and a heavy, robust body, known for its persistent, buzzing pursuit of large mammals on warm summer days.

fly
Wasp

Wasp

A slender-waisted, smooth-bodied flying insect typically banded in black and yellow, recognizable by its narrow 'wasp waist' and folded wings, and often social, building paper nests in colonies.

wasp
Small Emperor Moth

Small Emperor Moth

A striking day-flying moth with large eyespots on all four wings, gray-brown coloring in males and paler gray in the larger females, native to heathlands and open countryside across Europe.

moth
Wandering Glider

Wandering Glider

One of the most widely traveled insects on Earth, this golden dragonfly rides high-altitude winds across oceans and continents, rarely landing as it forages endlessly on the wing.

dragonfly
Autumn Meadowhawk

Autumn Meadowhawk

One of the last dragonflies still flying as autumn cools, this small pale-legged meadowhawk can be found sunning on trails and pond banks well into November in many areas.

dragonfly
Meadow Fritillary

Meadow Fritillary

A small, fast-flying orange-and-black fritillary of open grassy fields, easily told from its larger cousins by its lack of silvery spots on the underside of the hindwing.

butterfly
Bagworm Moth

Bagworm Moth

A moth best known for its larva's habit of constructing and living inside a spindle-shaped case of silk and plant debris that hangs from twigs, with adult males a plain sooty-winged moth and females remaining wingless and grub-like inside the bag for life.

moth
American Rubyspot

American Rubyspot

A brilliant ruby-red patch at the base of each wing gives this sun-loving damselfly its name, flashing like a spark of color as it perches along fast-flowing rivers.

other