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.

Goliath Beetle
One of the largest and heaviest beetles on Earth, a massive scarab with a bold pattern of black, white, and brown stripes across its shield-like body.
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
Regal Fritillary
A large, showy prairie butterfly with bright orange forewings and dramatically contrasting black hindwings dotted with rows of white and cream spots.
butterfly
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-cricketOnion Fly
A slender gray fly closely related to houseflies whose white legless larvae bore into onion bulbs, feeding in clusters within a single rotting bulb.
fly
Varied Carpet Beetle
A tiny beetle mottled with white, brown, and yellow scales that, as a fuzzy larva, quietly grazes on natural fibers tucked away in closets and attics.
beetleBird-dropping Spider
A lumpy, white-and-brown orb-weaver that spends its days motionless on a leaf, looking uncannily like a fresh splash of bird droppings.
spider
Falcate Orangetip
An early-spring white butterfly whose males flash bright orange wingtips, while both sexes show a distinctive hooked (falcate) forewing shape and marbled green underside pattern.
butterfly
Small Milkweed Bug
A red-and-black seed bug with a distinctive X-shaped pattern on its back, commonly found feeding on milkweed seeds and sap alongside monarch caterpillars.
true-bug
Milkweed Leaf Beetle
A large, boldly colored leaf beetle in glossy orange-red with irregular black patches, found feeding exclusively on milkweed plants alongside monarch caterpillars.
beetle
European Hornet
A large, robust wasp with a reddish-brown thorax, yellow-and-brown striped abdomen, and a distinctive habit of nesting in hollow trees, making it the largest true hornet native to Europe and introduced to eastern North America.
wasp
Bristly Rose Slug
Despite its caterpillar-like, slug-shaped body covered in fine bristles, this pale green larva is actually the offspring of a small sawfly and feeds on rose leaves by skeletonizing them from the underside.
caterpillar-larva
Cabbage Bug
A small, metallic shield bug patterned in contrasting patches of black with red, white, or yellow, closely tied to cabbage and other brassica crops across Europe and Asia.
true-bug
Chinch Bug
A tiny black-and-white true bug that feeds on grasses, often overlooked individually but capable of forming dense colonies in sunny, dry patches of lawn.
true-bug
Eastern Forktail
One of the smallest and most adaptable damselflies in eastern North America, the Eastern Forktail thrives in everything from wild marshes to roadside ditches, with bright green-and-black males and color-changing females.
other
European Mantis
A slender, typically bright green mantis native to Europe, Africa, and Asia, now widely established in North America, easily recognized by a small dark bullseye mark on the inside of its front legs.
mantis-stick
Mealybug
A soft, oval insect coated in a powdery white waxy secretion that gives it a fuzzy, cotton-like appearance, typically found clustered in leaf joints and along stems of houseplants.
true-bug
Cochineal
A tiny, sedentary scale insect that lives clustered on prickly pear cacti beneath a protective coat of white, waxy fluff, historically prized for the deep red pigment it produces.
true-bug
Carpet Beetle
A tiny, rounded beetle with a mottled scale pattern of white, brown, and yellow, whose bristly larvae are known for feeding on wool, fur, and other dried animal fibers indoors.
beetle
Painted Lady Butterfly
A medium-sized orange-and-black butterfly with a mosaic of white-spotted black wingtips, famous as the most widely distributed butterfly on Earth and a long-distance migrant.
butterfly
Palo Verde Beetle
One of the largest beetles in North America, a heavy, dark reddish-brown longhorn beetle with long spiny antennae and a loud, buzzing flight that emerges from the desert soil around palo verde and mesquite trees in summer.
beetle
Fishing Spider
One of the largest spiders in North America, the fishing spider can walk on water, dive beneath the surface to escape danger, and ambush small fish and tadpoles with its front legs from the water's edge.
spider
Eastern Tailed-Blue
A tiny gossamer-wing butterfly with a delicate thread-like tail on each hindwing and a small orange spot near the tail base, common in open weedy habitats throughout the eastern half of North America.
butterfly
Asian Tiger Mosquito
A small, dark mosquito boldly marked with silvery-white stripes, including one distinctive stripe running straight down the center of its back, that bites readily in broad daylight.
fly