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.

Stag Beetle
A large, glossy beetle whose males wield oversized, antler-like mandibles resembling a stag's rack of horns, used for wrestling rival males rather than for feeding.
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European Stag Beetle
Europe's largest beetle, a glossy dark brown insect in which males carry oversized antler-like mandibles used to wrestle rivals, resembling the antlers of a stag.
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Asparagus Beetle
A small, boldly patterned blue-black beetle with cream and orange-red markings that clusters on emerging asparagus spears in spring.
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Furniture Beetle
A tiny, reddish-brown to dark brown cylindrical beetle whose larvae, commonly called 'woodworm,' bore small round tunnels through seasoned furniture and timber.
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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.
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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.
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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.
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Water Beetle
A smooth, dark, oval-bodied beetle adapted for swimming, commonly found paddling through ponds and marshes and periodically surfacing to renew a carried air supply.
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Cucumber Beetle
A small, brightly colored beetle patterned with black spots or stripes on a yellow-green background, commonly seen crawling on the flowers and leaves of cucumber and squash plants.
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Oriental Cockroach
A dark, matte blackish-brown cockroach with short wings that do not cover the abdomen, especially in females, and a preference for cooler, damper hiding spots than most other common cockroaches.
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Confused Flour Beetle
A tiny, flattened, reddish-brown beetle commonly found in stored flour and grain products, distinguished from its near-identical relative the red flour beetle mainly by its antennae shape.
beetlePleasing Fungus Beetle
A shiny, smooth-bodied beetle marked with bold red or orange bands on a glossy black background, commonly found feeding on bracket fungi growing on dead or dying hardwood trees.
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Spotted Cucumber Beetle
A small, elongated yellow-green beetle marked with twelve black spots across its wing covers, commonly seen on cucurbit and corn plants throughout the growing season.
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American Carrion Beetle
A broad, flattened black beetle with a striking pale yellow shield behind its head, commonly found on and around small animal carcasses where it feeds alongside fly larvae.
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Locust Borer
A slender black longhorn beetle boldly striped with yellow, closely resembling a wasp, commonly seen visiting goldenrod flowers in autumn near black locust trees.
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Spittlebug
A small hopping true bug best known in its nymph stage, which surrounds itself in a frothy mass of white foam on plant stems, commonly called cuckoo spit.
true-bugCabbage White Caterpillar
A velvety, bright green caterpillar with a faint yellow stripe down its back, the larval stage of the common white butterfly seen fluttering around vegetable gardens.
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Boll Weevil
A small, grayish-brown snout beetle with a long, curved rostrum, historically famous for its close feeding association with cotton flower buds and bolls.
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