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.

All Beetles Butterflies Moths Ants Bees Wasps Flies True Bugs Spiders Other Arachnids Grasshoppers & Crickets Dragonflies Mantises & Stick Insects Caterpillars & Larvae Aquatic Insects Centipedes & Millipedes Other

Brown Marmorated Stink Bug

An invasive, mottled brown stink bug identified by alternating light and dark bands on its antennae and abdomen edges, well known for gathering in large numbers on and inside buildings each fall.

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Rough Stink Bug

A gray-brown, textured stink bug with an irregular, jagged-edged outline that blends seamlessly against tree bark, making it one of the best-camouflaged members of its family.

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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.

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Mourning Cloak Butterfly

A deep maroon-brown butterfly bordered with a cream-yellow band and a row of iridescent blue spots, unusual among butterflies for overwintering as an adult and being one of the first to appear in early spring.

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