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.

Mayfly
A delicate insect with upright, sail-like wings and long, thread-thin tail filaments, famous for emerging by the millions in brief, synchronized swarms before dying within a day or two.
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March Brown Mayfly
A speckled, mottled-winged mayfly whose springtime hatch is prized by anglers, the March Brown emerges from clean, rocky streams and is one of the earlier large mayflies of the season.
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Mayfly Nymph
A short-lived aquatic grazer with feathery gills along its abdomen, living for months underwater before a brief, spectacular mass emergence as a winged adult.
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Giant Mayfly
Known for emerging by the billions in summer swarms so dense they can show up on weather radar, the Giant Mayfly is one of the largest and most abundant mayflies in North America.
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Green Drake Mayfly
Famous among anglers for triggering explosive trout feeding frenzies, the Green Drake Mayfly is a large, striking insect whose brief springtime emergence is one of the most anticipated events on many rivers.
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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.
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Drywood Termite
A termite that lives entirely within the dry wood it feeds on, needing no soil contact at all, and revealing itself mainly through small piles of pellet-like frass pushed from tiny exit holes.
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