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Content tagged with "aquatic insect"

Photo of an adult damselfly on a twig next to water.

Adult Damselfly

Adult damselflies have very slender, elongated abdomens, delicate bodies, and 2 pairs of wings that are typically held together over the body. Adult damselflies are usually found near water.

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Photo of an adult damselfly eating an insect

Adult Damselfly Eating Insect

The legs of damselflies are held in a basket shape during flight, which is perfect for grasping small flying insects.

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Photo of backswimmer, side view

Backswimmer (Side View)

Backswimmers rest at the water surface tilted head-downward, with the abdomen tip protruding from the water. The oarlike hind legs are usually extended downward at angles to the body.

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Photo of backswimmer

Backswimmer (Viewed From Above)

Backswimmers usually swim back-downward (or belly-up).

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Photo of backswimmer, side view

Backswimmers

About 32 North American species in the family Notonectidae
Sometimes called “water bees” or “water wasps,” backswimmers are predaceous and can deliver a painful bite if mishandled. True to their name, they swim belly-up, and their backs are keeled like a boat, which makes back-swimming easier.

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Photo of a male Banded Pennant dragonfly

Banded Pennant, Male

The banded pennant, Celithemis fasciata, is a small dragonfly (to about 1½ inch long) with distinctive black markings and reddish eyes.

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image of Caddisfly on leaf

Caddisflies

Various species in the order Trichoptera
The adults are mothlike. The aquatic larvae are famous for building portable, protective cases out of local materials, including grains of sand, bits of leaves and twigs, and other debris.

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Photo of caddisfly larva with case made of detritus

Caddisfly Larva With Case

Caddisfly larvae are aquatic, slender, with a segmented abdomen that is usually hidden within a portable protective case. This larva has incorporated pebbles, leaves, and other detritus into its case.

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Photo of caddisfly larva with pebble case

Caddisfly Larva With Pebble Case

The types of cases made by caddisfly larvae vary with the species. This larva has made a slender, tubelike case using pebbles.

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Photo of caddisfly larva with case made of plant fibers

Caddisfly Larva With Plant-Fiber Case

The head of a caddisfly larva has chewing mouthparts, and there are 3 pairs of legs at the front of the body. This larva has made a case using fibrous parts of plants.

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