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Content tagged with "mayfly"

Photo of a mayfly

Mayflies

There are hundreds of species in North America.
The mayflies are a fascinating group of insects. The nymphs live from months to years under water, breathing through gills, and the adults fly around in the air, mating, living for only a day or two.

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Photo of a mayfly

Mayfly (Adult)

Adult mayflies are slender and soft-bodied, with four membranous, extensively veined wings that are held upright and together. Two long, threadlike cerci extend from the tip of the abdomen.

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Photo of adult mayfly on a leaf

Mayfly (Adult) On Leaf

Adult mayflies are usually found near water, since they last such a brief time, are aquatic in their juvenile stages, and must lay eggs in water.

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image of a Mayfly

Mayfly (Adult) Perched Under Leaf

Once they become winged adults, mayflies only live a few days. The adults’ only function is to reproduce. When they emerge in swarms, they can provoke feeding frenzies among fish.

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Photo of mayfly nymph

Mayfly Naiad

The naiads (nymphs) of mayflies somewhat resemble the adults, though they lack wings and have a series of leaflike gills attached below the abdomen.

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Photo of a mayfly naiad crawling on rock underwater

Mayfly Naiad Crawling on Rock Underwater

Mayfly naiads (nymphs) often have flattened heads that help them to adhere to rocks in fast-flowing water. There are 3 (sometimes 2) long cerci extending from the abdomen tip.

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The Fishing Bug

This content is archived
Finding mayflies in a stream is usually a sign that the fishing will be good.

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