A fly which inhabits the lakes of western North America.

Puxi Fly

A fly which inhabits the lakes of western North America.

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

Robber Fly

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

The adult Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies and is known as a major pest in the Australian sheep industry.

Sheep Bot Fly

The adult Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies and is known as…

The adult Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies and is known as a major pest in the Australian sheep industry.

Sheep Bot Fly

The adult Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies and is known as…

The enclosed puparium of the Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies and is known as a major pest in the Australian sheep industry.

Sheep Bot Fly

The enclosed puparium of the Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies…

The full grown larva of the Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies and is known as a major pest in the Australian sheep industry. 'a' shows the mouth hooks.

Sheep Bot Fly

The full grown larva of the Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies…

The full grown larva of the Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies and is known as a major pest in the Australian sheep industry. 'b' shows anal appendages.

Sheep Bot Fly

The full grown larva of the Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies…

The young larva of the Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies and is known as a major pest in the Australian sheep industry. 'b' shows anal appendages.

Sheep Bot Fly

The young larva of the Sheep Bot Fly (Oestrus ovis) is a fly in the Oestridae family of bot flies and…

An illustration of a stable fly.

Stable Fly

An illustration of a stable fly.

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…

Aphrophora quadrangularis is a species of Froghopper, an insect in the order Hemiptera.

Dorsal View of Froghopper

Aphrophora quadrangularis is a species of Froghopper, an insect in the order Hemiptera.

An illustration of a gadfly.

Gadfly

An illustration of a gadfly.

This illustration shows the Gadfly of the Ox. This illustration is enlarged, and also shows a Gadfly larvae.

Gadfly of Ox

This illustration shows the Gadfly of the Ox. This illustration is enlarged, and also shows a Gadfly…

The Gadfly of the sheep lays its eggs in the nostrils of the sheep. There, the maggots hatch and live in the frontal sinuses until fully grown, they then drop to the ground and bury themselves. After pupation, they emerge as flies. This illustration is natural size and shows a Gadfly larvae.

Gadfly of Sheep

The Gadfly of the sheep lays its eggs in the nostrils of the sheep. There, the maggots hatch and live…

"Woolly Oak-gall, produced by Cynips Quercus ramuli." -Lindley, 1853

Gall Wasp

"Woolly Oak-gall, produced by Cynips Quercus ramuli." -Lindley, 1853

&quot;Resin-gnat (Diplosis resinicola). a, adult female; b, wing of same; c, cross-section of antenna of female; d, same of male; e, section of pine twig showing work of larvae; f, same showing extruded pupa-cases; a, e, f, enlarged; b, c, d, still more enlarged.&quot; -Whitney, 1911

Resin Gnat

"Resin-gnat (Diplosis resinicola). a, adult female; b, wing of same; c, cross-section of antenna…

A small bird with a large mouth, which preys primarily on small insects.

European Goat-Sucker

A small bird with a large mouth, which preys primarily on small insects.

Gooseberry Caterpillar is the name applied to the larvæ of two different insects, both injurious to gooseberry and currant bushes. (1) the Magpie Moth (Abraxas grossulariata), appearing about midsummer, has usually a black head, yellow body, and white wings spotted  with black. (2) More destructive than the above is the larva of the Gooseberry Sawfly (Nematus ribesii), which plays havoc with the leaves of bushes. The larva is bluish green, with lack head, feet, tail, and spots, with twenty feet, and a length of about 3/4 of an inch when full grown.

Gooseberry Caterpillar (Nematus ribesii) and Sawfly

Gooseberry Caterpillar is the name applied to the larvæ of two different insects, both injurious to…

A kind of culio or weevil. Feeds mostly on plums.

Plum Gouger

A kind of culio or weevil. Feeds mostly on plums.

A large bodied, short winged locust. Sometimes called the short horned grasshopper.

Lubber Grasshopper

A large bodied, short winged locust. Sometimes called the short horned grasshopper.

The Fiery Ground Beetle (Calosoma calidium) is an insect in the Carabidae family of carabids.

Fiery Ground Beetle

The Fiery Ground Beetle (Calosoma calidium) is an insect in the Carabidae family of carabids.

"The true ticks attach themselves parasitically to the bodies of various mammals, as sheep, oxen, dogs, etc." &mdash; Williams, 1889

Harvest-tick

"The true ticks attach themselves parasitically to the bodies of various mammals, as sheep, oxen, dogs,…

Two hobo bugs walking by a dog sleeping in his dog house.

Hobo Insects

Two hobo bugs walking by a dog sleeping in his dog house.

The Ichneumonoidea are insects classified in the hymenopteran suborder Apocrita. The super family is made up of the ichneumon wasps (often inaccurately called "ichneumon flies"; family Ichneumonidae) and the braconids (family Braconidae). Like other parasitic wasps, they were long placed in the "Parasitica", variously considered as an infraorder or an unranked clade, but actually not a monophyletic group.

Ichneumon Fly

The Ichneumonoidea are insects classified in the hymenopteran suborder Apocrita. The super family is…

"Of the true mites, the domestic or cheese mite and the itch-mite are examples." &mdash; Williams, 1889

Itch-mite

"Of the true mites, the domestic or cheese mite and the itch-mite are examples." — Williams, 1889

"The numerous species of <em>Coccinellae</em> feed upon <em>aphides</em>, or <em>Plant lice</em>, both in the larva and perfect states, and are often seen on fruit-trees, as the pear, peach, and plum, and on rose-bushes and other shrubs." &mdash Goodrich, 1859

Ladybird

"The numerous species of Coccinellae feed upon aphides, or Plant lice, both…

A larva of a ladybird.

Ladybird

A larva of a ladybird.

A full grown ladybird.

Ladybird

A full grown ladybird.

Also known as megilla maculata. A-Larva; B-Empty skin; C-Beetle with enlarged antenna above.

Spotted Ladybird

Also known as megilla maculata. A-Larva; B-Empty skin; C-Beetle with enlarged antenna above.

"Lady-bird beetles, or "lady bugs." These beetles are very destructive to plant lice." &mdash; Goff, 1904

Ladybug

"Lady-bird beetles, or "lady bugs." These beetles are very destructive to plant lice." — Goff,…

"Lady-bird beetles, or "lady bugs." These beetles are very destructive to plant lice." &mdash; Goff, 1904

Ladybug

"Lady-bird beetles, or "lady bugs." These beetles are very destructive to plant lice." — Goff,…

"Lady-bird beetles, or "lady bugs." These beetles are very destructive to plant lice." &mdash; Goff, 1904

Ladybug

"Lady-bird beetles, or "lady bugs." These beetles are very destructive to plant lice." — Goff,…

"Lady-bird beetles, or "lady bugs." These beetles are very destructive to plant lice." &mdash; Goff, 1904

Ladybug

"Lady-bird beetles, or "lady bugs." These beetles are very destructive to plant lice." — Goff,…

Epilachna borealis is a species of squash beetle in the Coccinellidae family of ladybugs.

Ladybug

Epilachna borealis is a species of squash beetle in the Coccinellidae family of ladybugs.

The leaf insect or walking leaf is an insect that has the appearance of a leaf from the family Phylliidae.

Leaf Insect

The leaf insect or walking leaf is an insect that has the appearance of a leaf from the family Phylliidae.

The locust is a short-horned grasshopper in its swarming phase.

Locust

The locust is a short-horned grasshopper in its swarming phase.

The locust is a short-horned grasshopper in its swarming phase.

Locust

The locust is a short-horned grasshopper in its swarming phase.

"Hop louse which lives on the plum tree in the late fall, winter, and early spring until the hop vines develope, male." &mdash; Davison, 1906

Hop Louse

"Hop louse which lives on the plum tree in the late fall, winter, and early spring until the hop vines…

A root feeding plant lice.

Root Louse

A root feeding plant lice.

A root feeding plant lice.

Root Louse

A root feeding plant lice.

The common mayfly (Ephemera vulgata) named for its short life span.

Mayfly

The common mayfly (Ephemera vulgata) named for its short life span.

"Of the true mites, the domestic or cheese mite and the itch-mite are examples." &mdash; Williams, 1889

Cheese mite

"Of the true mites, the domestic or cheese mite and the itch-mite are examples." — Williams, 1889

A common mite.

Parasitic Mite

A common mite.

The mole cricket has a smoky brown color above and a yellowish red below. The cricket has a velvety gloss on the surface. The name mole cricket is derived from the resemblance in form of the front pair of legs to those of a mole.

Mole Cricket

The mole cricket has a smoky brown color above and a yellowish red below. The cricket has a velvety…

A moth of the Cosmia genus; found in all parts of the world.

Moth

A moth of the Cosmia genus; found in all parts of the world.

A full grown moth.

Moth

A full grown moth.

A moth.

Moth

A moth.

A moth larva of the Philampelus genus.

Moth Larva

A moth larva of the Philampelus genus.

The clover hay moth.

Clover Hay Moth

The clover hay moth.

The chrysalis of a clover hay worm.

Clover Hay Moth

The chrysalis of a clover hay worm.

A giant goat moth.

Goat Moth

A giant goat moth.

The moth of the Grapevine Root Borer (Memthyrus polistiformis).

Grapevine Root Borer (Moth)

The moth of the Grapevine Root Borer (Memthyrus polistiformis).

The Imperial Moth (Eacles imperialis) is an insect in the Saturniidae family of large and colorful moths.

Imperial Moth

The Imperial Moth (Eacles imperialis) is an insect in the Saturniidae family of large and colorful moths.

The swallow-tailed moth (Ourapteryx sambucaria) and the many-plumed moth (Ourapteryx hexadactyla).

Swallow-Tailed Moth

The swallow-tailed moth (Ourapteryx sambucaria) and the many-plumed moth (Ourapteryx hexadactyla).

The garden tiger moth (Arctia caja) is named for the different and colorful patterns on its wings.

Tiger Moth

The garden tiger moth (Arctia caja) is named for the different and colorful patterns on its wings.

A parasite of the chalcidid&aelig; family.

Parasite

A parasite of the chalcididæ family.

A plant bug, the beak extending to the middle of the abdomen.

Phytocoris

A plant bug, the beak extending to the middle of the abdomen.

A large female beetle.

Phytophaga

A large female beetle.

A species of large brown or black beetles. Some of the longest beetles known.

Prioninae

A species of large brown or black beetles. Some of the longest beetles known.

A genus of large beetles.

Prionus

A genus of large beetles.