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.

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.

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Elm Leaf Beetle

Elm Leaf Beetle

A yellow-green leaf beetle with dark side stripes that skeletonizes elm foliage and gathers in large numbers to overwinter in buildings.

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Milkweed Leaf Beetle

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.

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Flea Beetle

Flea Beetle

A tiny, shiny beetle that springs away like a flea when disturbed, leaving characteristic small round holes peppered across the leaves it feeds on.

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Dogbane Beetle

Dogbane Beetle

A small, brilliantly iridescent leaf beetle that shifts between shades of green, gold, blue, and copper depending on the viewing angle, always found on dogbane plants.

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Tortoise Beetle

Tortoise Beetle

A small, flat, disc-shaped beetle whose expanded wing covers and pronotum hide its head and legs almost entirely, giving it the look of a miniature turtle shell crawling across a leaf.

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Soil Mite

Soil Mite

A microscopic, heavily armored mite found by the millions in a single handful of soil, quietly breaking down leaf litter and helping build the fertile ground beneath forests and fields.

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Aphid

Aphid

A tiny, soft-bodied, pear-shaped insect that clusters in dense colonies on plant stems and leaf undersides, feeding on sap through needle-like mouthparts and often coated in sweet honeydew.

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Spicebush Swallowtail Caterpillar

Spicebush Swallowtail Caterpillar

A bulging-eyed green caterpillar that lives folded inside its own silk-stitched leaf tent, looking every bit like a miniature snake peering out from cover.

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