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The larvae of crane flies are known as grubs and leather jackets. The gnats live in water during their larval condition.

Crane Fly

The larvae of crane flies are known as grubs and leather jackets. The gnats live in water during their…

"They are small hump-backed gnats, of a gray or blackish color, with broad pale wings." &mdash;Whitney, 1889 <p>This is a dorsal view of the larva, with fan-shaped appendages spread.

Fish-Killing Buffalo Gnat Larva

"They are small hump-backed gnats, of a gray or blackish color, with broad pale wings." —Whitney,…

They are rather undersized, chunky flies, dark in color, with the thorax well developed and somewhat produced forward so as to partially conceal the small head from above.

Buffalo Gnat

They are rather undersized, chunky flies, dark in color, with the thorax well developed and somewhat…

The larva is curious little creatures, living under water in rather swiftly flowing streams, clinging to rocks, sticks, or logs, and feeding upon vegetable matter.

Buffalo Gnat Larva

The larva is curious little creatures, living under water in rather swiftly flowing streams, clinging…

The larva are curious little creatures, living under water in rather swiftly flowing streams, clinging to rocks, sticks, or logs, and feeding upon vegetable matter.

Buffalo Gnat Pupa

The larva are curious little creatures, living under water in rather swiftly flowing streams, clinging…

"In the family <em>Culicidae</em>, or Gnats, which include several pre-eminently bloodthirsty species, the proboscis is especially suited for their worm of torment. It is often half the length of the insect, slender, sightly thickened at the tip, and incloses six long, sharp bristles." &mdash; Goodrich, 1859

Gnats

"In the family Culicidae, or Gnats, which include several pre-eminently bloodthirsty species,…