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"By catching one of these flies, and pressing the thorax between the finger and thumb, it is forced to put out its tongue."

Blue-Bottle Fly (Calliphora Vomitoria)

"By catching one of these flies, and pressing the thorax between the finger and thumb, it is forced…

"Ox Botfly. a.-- larva, full grown, natural size; b,-- pupa; c.-- perfect insect. Botfly, Gadfly, and Warble-fly, names common to many insects of the family OEstridae, the genus OEstrus of Linnaeus." -Vaughan, 1906

Ox Botfly

"Ox Botfly. a.-- larva, full grown, natural size; b,-- pupa; c.-- perfect insect. Botfly, Gadfly, and…

A cicada is an insect of the order Hemiptera, suborder Auchenorrhyncha, in the superfamily Cicadoidea, with large eyes wide apart on the head and usually transparent, well-veined wings.

Head of Cicada

A cicada is an insect of the order Hemiptera, suborder Auchenorrhyncha, in the superfamily Cicadoidea,…

Nymph (4th stage) of cicada.

Nymph of Cicada

Nymph (4th stage) of cicada.

The fly has one pair of wings and sucking mouth parts.

Fly

The fly has one pair of wings and sucking mouth parts.

"In these the head is generally of considerable size, and is furnished with a pair of large, compressed eyes, which occupy nearly its whole surface. The legs are well-developed, the tarsi composed of five joints, terminated by a pair of claws; the abdominal rings are distinct." — Goodrich, 1859

Flies

"In these the head is generally of considerable size, and is furnished with a pair of large, compressed…

Fly

Fly

Fly

A small fly.

Fly

A small fly.

A fly.

Fly

A fly.

An Asilid fly of the Erax bastardi species; larva.

Fly

An Asilid fly of the Erax bastardi species; larva.

An Asilid fly of the Erax bastardi species; adult.

Fly

An Asilid fly of the Erax bastardi species; adult.

An Asilid fly of the Erax bastardi species; pupa.

Fly

An Asilid fly of the Erax bastardi species; pupa.

Common flesh-fly of the Sarcophaga carnaria species.

Fly

Common flesh-fly of the Sarcophaga carnaria species.

Exorista flavicauda species, yellow-tailed Tachinid.

Fly

Exorista flavicauda species, yellow-tailed Tachinid.

Nemorea leucaniae species, Tachinid on cut-worms; larva.

Fly

Nemorea leucaniae species, Tachinid on cut-worms; larva.

Nemorea leucaniae species, Tachinid on cut-worms; adult.

Fly

Nemorea leucaniae species, Tachinid on cut-worms; adult.

Nemorea leucaniae species, Tachinid on cut-worms; pupa.

Fly

Nemorea leucaniae species, Tachinid on cut-worms; pupa.

Screw-worm of the Lucilia macellaria species; larva.

Fly

Screw-worm of the Lucilia macellaria species; larva.

Screw-worm of the Lucilia macellaria species; pupa.

Fly

Screw-worm of the Lucilia macellaria species; pupa.

Screw-worm of the Lucilia macellaria species; adult.

Fly

Screw-worm of the Lucilia macellaria species; adult.

The blow-fly of the Calliphora vomitoria species.

Fly

The blow-fly of the Calliphora vomitoria species.

Lydella doryphorae species, Tachinid on potato-beetle.

Fly

Lydella doryphorae species, Tachinid on potato-beetle.

A pomace fly of the Drosophila species; larva.

Fly

A pomace fly of the Drosophila species; larva.

A pomace fly of the Drosophila species; adult.

Fly

A pomace fly of the Drosophila species; adult.

A group of insects belonging to the order Hymenoptera, and distinguished by the peculiar confirmation of the ovipositor of the females, which is composed of two broad plates, with serrated or toothed edges.

Saw Fly Hovering Above a Plant

A group of insects belonging to the order Hymenoptera, and distinguished by the peculiar confirmation…

A fly that eats other flies.

Fly Killer

A fly that eats other flies.

An illustration of a single fly larva.

Fly Larva

An illustration of a single fly larva.

"Larva, pupa, and adult of blue-bottle fly (Musca vomitoria)." -Thomson, 1916

Blue-Bottle Fly Stages

"Larva, pupa, and adult of blue-bottle fly (Musca vomitoria)." -Thomson, 1916

"The Hessian Fly (Cecidiomya destructor). a, the adult; b, larva; c, pupa; d, larvae in position on stalk of wheat." -Galloway, 1915

Hessian Fly Stages

"The Hessian Fly (Cecidiomya destructor). a, the adult; b, larva; c, pupa; d, larvae in position on…

An illustration of an apple-worm fly.

Apple-worm Fly

An illustration of an apple-worm fly.

Systaechus oreas species; larva.

Bee Fly

Systaechus oreas species; larva.

Systaechus oreas species; detail of larva.

Bee Fly

Systaechus oreas species; detail of larva.

Systaechus oreas species; adult.

Bee Fly

Systaechus oreas species; adult.

Systaechus oreas species; pupa.

Bee Fly

Systaechus oreas species; pupa.

The biting fly is also known as the bee killer fly.

Biting Fly

The biting fly is also known as the bee killer fly.

"Blow Fly is the name popularly given to such two winged flies as deposit eggs in the flesh of animals, thus making tumors arise. Several species of musca do this, so do breeze flies, etc."—(Charles Leonard-Stuart, 1911)

Blow Fly

"Blow Fly is the name popularly given to such two winged flies as deposit eggs in the flesh of animals,…

Two winged fly.

Blow Fly

Two winged fly.

"They carry the air required for their respiration in a space left for this purpose between the wings and the back. They are very active and predaceous animals, and when captures, some of them often inflict a painful wound with their powerful rostru,. Several species may be met with in almost any piece of water." — Goodrich, 1859

Boat Fly

"They carry the air required for their respiration in a space left for this purpose between the wings…

"a, eggs of the Breeze-fly; b, the same magnified; c, larva, or bot; d, chrysalis; e, perfect insect; f, female depositing her eggs" — Goodrich, 1859

Breeze Fly

"a, eggs of the Breeze-fly; b, the same magnified; c, larva, or bot; d, chrysalis; e, perfect insect;…

A caddice-fly larva.

Caddice Fly

A caddice-fly larva.

An adult caddice-fly

Caddice Fly

An adult caddice-fly

A small black dipterous insect bred in cheese.

Cheese Fly

A small black dipterous insect bred in cheese.

Piophila casei. Similar to the house-fly in appearance, but much smaller, and the only way to protect provisions is to keep them constantly covered

Cheese Fly

Piophila casei. Similar to the house-fly in appearance, but much smaller, and the only way to protect…

In the Crane Fly, only the front pair of wings is present.

Crane Fly

In the Crane Fly, only the front pair of wings is present.

"The tipulidae have the proboscis short, terminated by a pair of fleshy lips, inclosing two bristles." — Goodrich, 1859

Crane Fly

"The tipulidae have the proboscis short, terminated by a pair of fleshy lips, inclosing two bristles."…

Large flies with many-jointed, slender, thread-like antennae and scarcely shorter maxillary palpi.

Crane Fly

Large flies with many-jointed, slender, thread-like antennae and scarcely shorter maxillary palpi.

A May fly. So called because however long they may live in the larva state, in their perfect form they exist only for a few hours to a few days, taking no food, but only propagating and then dying.

Day Fly

A May fly. So called because however long they may live in the larva state, in their perfect form they…

An illustration of a dung fly.

Dung Fly

An illustration of a dung fly.

A female fruit fly.

Male Fruit Fly

A female fruit fly.

A fmale fruit fly.

Female Fruit Fly

A fmale fruit fly.

An illustration of a flesh fly.

Flesh Fly

An illustration of a flesh fly.

An illustration of a forest fly which is also known as a bird tick.

Forest Fly

An illustration of a forest fly which is also known as a bird tick.

The Common Fruit Fly (Drosophila melanogaster) is an insect in the Drosophilidae family. The species was formerly known by the synonym Drosophila ampelophila.

Common Fruit Fly

The Common Fruit Fly (Drosophila melanogaster) is an insect in the Drosophilidae family. The species…

An oak gall-fly.

Gall Fly

An oak gall-fly.

An illustration of a greenbottle flesh fly.

Greenbottle Flesh Fly

An illustration of a greenbottle flesh fly.

The Hessian-fly of the Cecidomyia destructor species; On the left, a healthy stalk of wheat, and on the right one infested at h by Hessian-fly, showing the galls. a, egg; b, larva; c, flaxseed; d, pupa; e, fly ovipositing on leaf; f, female; g, male Hessian-fly; i, the parasite, Merisus destructor species.

Hessian Fly

The Hessian-fly of the Cecidomyia destructor species; On the left, a healthy stalk of wheat, and on…

Now known as Mayetiola destructor: "Hessian Fly (Cecidomyia destructor). a, larva; b, pupa; c, infested stalk of wheat." -Whitney, 1911

Stages of the Hessian Fly

Now known as Mayetiola destructor: "Hessian Fly (Cecidomyia destructor). a, larva; b, pupa; c, infested…

This insect derives its common name from the fact that it seems to prefer clustering in great numbers at the base of the horns of cattle, although it is really just as abundant on the flanks, pon the udder, and in other places where it cannot be readily reached by the animals.

Horn Fly

This insect derives its common name from the fact that it seems to prefer clustering in great numbers…

Larva of horn-fly.

Horn Fly

Larva of horn-fly.

Pupa of horn-fly.

Horn Fly

Pupa of horn-fly.