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An illustration of a horn fly.

Horn Fly

An illustration of a horn fly.

The horse fly has but one pair of developed wings, the second pair being represented by a pair of balancers: their function is sensory.

Horse Fly

The horse fly has but one pair of developed wings, the second pair being represented by a pair of balancers:…

The larva of the horse fly.

Horse Fly

The larva of the horse fly.

The larva of the horse fly.

Horse Fly

The larva of the horse fly.

The pupa of the horse fly.

Horse Fly

The pupa of the horse fly.

The horse-flies or <em>tabanidae</em>, comprise another set of troublesome creatures, of medium or large size. They have short, broad heads, enormous eyes, and short, though many jointed, feelers. The abdomen is oval, a little flattened, and the body convex and powerful. The mouth parts are well developed, consisting of a series of five sharped-pointed lancets so rigid that they readily pierce the skin and draw blood almost as soon as they touch.

Horse Fly

The horse-flies or tabanidae, comprise another set of troublesome creatures, of medium or large…

Tabanus americanus is a species of biting horsefly in the Tabanidae family of horseflies. It was also known as the synonym Tabanus ruficornis.

Dorsal View of Horsefly

Tabanus americanus is a species of biting horsefly in the Tabanidae family of horseflies. It was also…

The larvae are elongated, somewhat flattened creatures, some living in the soil, some in water, and some in marshes, preying upon what ever comes in their way.

Horse Fly Larva

The larvae are elongated, somewhat flattened creatures, some living in the soil, some in water, and…

The pupa of the horse fly.

Horse Fly Pupa

The pupa of the horse fly.

An illustration of a house fly with a maggot and puparium.

House Fly

An illustration of a house fly with a maggot and puparium.

The larva of the laced wing-fly.

Lacewing Fly

The larva of the laced wing-fly.

The larva of the laced wing-fly, feeding on a pear-psylla.

Lacewing Fly

The larva of the laced wing-fly, feeding on a pear-psylla.

Cocoon of the laced wing-fly.

Lacewing Fly

Cocoon of the laced wing-fly.

The adult laced wing-fly.

Lacewing Fly

The adult laced wing-fly.

Head of the adult laced wing-fly.

Lacewing Fly

Head of the adult laced wing-fly.

"The family of <em>Fulgorina</em> includes the <em>Lantern-flies</em>, of which a large species inhabiting Guiana, the <em>Fulgora laternaria</em>, is said to emit considerable light in the dark." &mdash; Goodrich, 1859

Lantern Fly

"The family of Fulgorina includes the Lantern-flies, of which a large species inhabiting…

Lantern-flies may be found on the under side of leaves of various plants, particularly grape, sucking the juices, preferably from the larger veins or ribs.

Lantern Fly

Lantern-flies may be found on the under side of leaves of various plants, particularly grape, sucking…

Lantern-flies may be found on the under side of leaves of various plants, particularly grape, sucking the juices, preferably from the larger veins or ribs.

Lantern Fly

Lantern-flies may be found on the under side of leaves of various plants, particularly grape, sucking…

"The Lantern-fly is found in large numbers in South America. This remarkable insect enjoys a great renown by a peculiarity which might be called its specialty - the property of shining by night or in the dark."

Lantern Fly (Fulgora Lanternaria)

"The Lantern-fly is found in large numbers in South America. This remarkable insect enjoys a great renown…

A small fly of a dark metallic green or black color.

Louse Fly

A small fly of a dark metallic green or black color.

The Olfersia species

Louse Fly

The Olfersia species

"These insects are called <em>Day-flies</em> from the shortness of their existence in the perfect state; they are also called <em>May-flies</em>. Both larvae and pupae present a considerable resemblence to the perfect insect; but the entire period of the preparatory stages is passed in the water." &mdash; Goodrich, 1859

May Fly

"These insects are called Day-flies from the shortness of their existence in the perfect state;…

May-fly and its larva.

May Fly

May-fly and its larva.

An illustration of a meat fly.

Meat Fly

An illustration of a meat fly.

"The Ox-fly, Oestrus bovis, is three-forths of an inch long, and lays its eggs in the skin of young cattle, producing a swelling which supprates and forms a purulent humor, on which the larvae feed." &mdash; Goodrich, 1859

Ox Fly

"The Ox-fly, Oestrus bovis, is three-forths of an inch long, and lays its eggs in the skin of young…

An illustration of a pomace fly.

Pomace Fly

An illustration of a pomace fly.

The underside of the pupe of a house fly.

Pupa of House Fly

The underside of the pupe of a house fly.

A fly which inhabits the lakes of western North America.

Puxi Fly

A fly which inhabits the lakes of western North America.

A common fly.

Rat Tailed Fly

A common fly.

"Robber-Fly (Asilus sericeus, Say), natural size."-Whitney, 1902

Robber Fly

"Robber-Fly (Asilus sericeus, Say), natural size."-Whitney, 1902

They are rich colored insects, very active in the hottest sunshine and capable of rolling themselves up into a ball.

Ruby Tailed Fly

They are rich colored insects, very active in the hottest sunshine and capable of rolling themselves…

Cephus Pygmaeus, wheat-stem saw-fly, larva.

Saw Wheat-Stem Fly

Cephus Pygmaeus, wheat-stem saw-fly, larva.

Cephus Pygmaeus, wheat-stem saw-fly, adult female.

Saw Wheat-Stem Fly

Cephus Pygmaeus, wheat-stem saw-fly, adult female.

Cephus Pygmaeus, wheat-stem saw-fly, female parasite.

Saw Wheat-Stem Fly

Cephus Pygmaeus, wheat-stem saw-fly, female parasite.

"These insects are common in the South of Europe, and are especially abundant in Spain, where they are taken in large numbers, and from which source the best are generally obtained." &mdash Goodrich, 1859

Spanish Fly

"These insects are common in the South of Europe, and are especially abundant in Spain, where they are…

Spanish fly of the Lytta vesicatoria species.

Spanish Fly

Spanish fly of the Lytta vesicatoria species.

"Spider Fly is a genus of dipterous insects, chiefly allied to the forest fly. The insects are parasitical on birds, never on quadrupeds. One species frequently infests the common fowl, the black-cock, and other birds. It is greenish-yellow, with smoke-colored wings."&mdash;(Charles Leonard-Stuart, 1911)

Spider Fly

"Spider Fly is a genus of dipterous insects, chiefly allied to the forest fly. The insects are parasitical…

An illustration of a stable fly.

Stable Fly

An illustration of a stable fly.

The larva of a stone-fly.

Stone Fly

The larva of a stone-fly.

The stone-fly

Stone Fly

The stone-fly

The Yellow-Tailed Tachina Fly (Belvosia unifasciata) is an insect in the Tachinidae family and is also known as the synonym Exorista flavicauda.

Yellow-Tailed Tachina Fly

The Yellow-Tailed Tachina Fly (Belvosia unifasciata) is an insect in the Tachinidae family and is also…

The European Turnip-Fly, <em>Haltica nemorum</em>, one of the most destructive species, belongs to a group in which the posterior thighs are much thickened for jumping." &mdash Goodrich, 1859

Turnip Fly

The European Turnip-Fly, Haltica nemorum, one of the most destructive species, belongs to a…

Aleyrodes Citri, male from side showing waxy tufts.

White Fly

Aleyrodes Citri, male from side showing waxy tufts.

Aleyrodes Citri, adult female.

White Fly

Aleyrodes Citri, adult female.

A small blue fly, slender and somewhat flattened in appearance, with yellow or reddish legs.

Window Fly

A small blue fly, slender and somewhat flattened in appearance, with yellow or reddish legs.

"Gall-gnat (female), a species of Cecidomyia natural size." -Whitney, 1911

Gall Gnat

"Gall-gnat (female), a species of Cecidomyia natural size." -Whitney, 1911

"Seed-corn Maggot (Phorbia fusciceps). a, maggot; b, pupa. Kernels of Maize, showing work of the maggot." -Whitney, 1911

Seed-Corn Maggot

"Seed-corn Maggot (Phorbia fusciceps). a, maggot; b, pupa. Kernels of Maize, showing work of the maggot."…

The American Sawfly (Cimbex Americana) is an insect with an ovipositor resembling a saw blade.

American Sawfly

The American Sawfly (Cimbex Americana) is an insect with an ovipositor resembling a saw blade.

The Larch Sawfly (Pristiphora erichsonii) is an insect resembling a black wasp in the Tenthredinidae family of sawflies.

Larch Sawfly

The Larch Sawfly (Pristiphora erichsonii) is an insect resembling a black wasp in the Tenthredinidae…

An African insect whose bite is deadly to livestock and animals.

Tsetse

An African insect whose bite is deadly to livestock and animals.

The tsetse fly or Glossina palpalis.

Tsetse Fly

The tsetse fly or Glossina palpalis.

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders the countries of Central Africa uninhabitable for those animals."

The Tsetse-Fly (Glossina Morsitans)

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders…

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders the countries of Central Africa uninhabitable for those animals."

Head of Tsetse-Fly (Glossina Morsitans)

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders…