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A mosquito.

Mosquito

A mosquito.

"A small two-winged fly, Culex pipiens, of the family Culicidae, suborder Nemocera, and order Diptera, called in America mosquito." -Whitney, 1911

Mosquito

"A small two-winged fly, Culex pipiens, of the family Culicidae, suborder Nemocera, and order Diptera,…

An adult yellow fever mosquito, magnified nine times.

Adult Yellow Fever Mosquito

An adult yellow fever mosquito, magnified nine times.

Larva of the yellow fever mosquito.

Larva of the Yellow Fever Mosquito

Larva of the yellow fever mosquito.

"The Mosquitos, <em>Colex musquito</em>, which are very nearly allied to the gnats, are still greater pests than gnats." &mdash; Goodrich, 1859

Mosquitos

"The Mosquitos, Colex musquito, which are very nearly allied to the gnats, are still greater…

A typical moth with wings spread.

Moth

A typical moth with wings spread.

Caterpillar, larvae of the moth and butterfly, are harmful to plants. These caterpillars sucker feet on the hinder rings of the body.

Codlin Moth and Grub

Caterpillar, larvae of the moth and butterfly, are harmful to plants. These caterpillars sucker feet…

"The Cecropia Moth, <em>A. Cecropia</em>, is of a dusky reddish-brown; the wings expand six inches, and are handsomely variegated. The caterpillar is of a light green color and is found on various fruit trees." &mdash; Goodrich, 1859

Cecropia Moth

"The Cecropia Moth, A. Cecropia, is of a dusky reddish-brown; the wings expand six inches,…

"These are wasplike moths of brilliant colors and have transparent wings. They generally fly by day." &mdash; Davison, 1906

Clear-Winged Moth

"These are wasplike moths of brilliant colors and have transparent wings. They generally fly by day."…

"The most remarkable species is the Death's Head Moth, <em>Acherontia</em> Atropos</em>, a large kind, variegated with dark brown and yellow, bearing upon the back of the thorax a deep orange mark, presenting no inconsiderable resemblence to the front of a human skull." &mdash; Goodrich, 1859

Death's Head Moth

"The most remarkable species is the Death's Head Moth, Acherontia Atropos, a large kind,…

A large moth named for the skull-like image upon its thorax.

Death's Head Moth

A large moth named for the skull-like image upon its thorax.

Female gipsy moths have large wings that are covered with small scales. The mouth is not able to bite. The lower jaws are prolonged and are adapted for sucking honey from flowers.

Female Gipsy Moth

Female gipsy moths have large wings that are covered with small scales. The mouth is not able to bite.…

The adult Eight-Spotted Forester (Alypia octomaculata), a moth belonging to the Noctuidae family of Owlet moths.

Eight-Spotted Forester

The adult Eight-Spotted Forester (Alypia octomaculata), a moth belonging to the Noctuidae family of…

The female Fidonia faxoni, an species from the Geometridae family of geometer moths.

Female Geometer Moth

The female Fidonia faxoni, an species from the Geometridae family of geometer moths.

The male Fidonia faxoni, an species from the Geometridae family of geometer moths.

Male Geometer Moth

The male Fidonia faxoni, an species from the Geometridae family of geometer moths.

The European Grapevine Moth (Lobesia botrana) is an insect in the Tortricidae family of tortrix moths.

European Grapevine Moth

The European Grapevine Moth (Lobesia botrana) is an insect in the Tortricidae family of tortrix moths.

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

Grapevine Root Borer (Moth)

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

Also known as Sesia apiformis. A large moth with a striking imitation of a hornet. They are, however, harmless.

Hornet Moth

Also known as Sesia apiformis. A large moth with a striking imitation of a hornet. They are, however,…

"A considerable number of insects belonging to Sphingina have transparents wings. Among them is the humming-bird moth, <em>Sesia pelasgus</em>, often seen at evening in our gardens during the moths of June and July hovering like a humming-bird over the flowers and sucking their nectar with its long tube." &mdash; Goodrich, 1859

Hummingbird Moth

"A considerable number of insects belonging to Sphingina have transparents wings. Among them is the…

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.

"Among the larger and more splendid moths of our own country is the Luna Moth, or Green Emperor Moth, <em>attacus luna</em> a large and beautiful species, common in the Northern United States. The wings, which are drawn out into what appears like a long tail, are of a light yellowish-green color, marked with eye-spots near the middle. The expanse of the wings is four inches. The caterpilar lives on walnut-trees, and spins a cocoon of which silk might be made. Many of these cocoons may be picked up on the ground, in autumn or spring, beneath the trees frequented by these insect." &mdash; Goodrich, 1859

Luna Moth

"Among the larger and more splendid moths of our own country is the Luna Moth, or Green Emperor Moth,…

"Among the larger and more splendid moths of our own country is the Luna Moth, or Green Emperor Moth, <em>attacus luna</em> a large and beautiful species, common in the Northern United States. The wings, which are drawn out into what appears like a long tail, are of a light yellowish-green color, marked with eye-spots near the middle. The expanse of the wings is four inches. The caterpilar lives on walnut-trees, and spins a cocoon of which silk might be made. Many of these cocoons may be picked up on the ground, in autumn or spring, beneath the trees frequented by these insect." &mdash; Goodrich, 1859

Caterpillar of the Luna Moth

"Among the larger and more splendid moths of our own country is the Luna Moth, or Green Emperor Moth,…

"Among the larger and more splendid moths of our own country is the Luna Moth, or Green Emperor Moth, <em>attacus luna</em> a large and beautiful species, common in the Northern United States. The wings, which are drawn out into what appears like a long tail, are of a light yellowish-green color, marked with eye-spots near the middle. The expanse of the wings is four inches. The caterpilar lives on walnut-trees, and spins a cocoon of which silk might be made. Many of these cocoons may be picked up on the ground, in autumn or spring, beneath the trees frequented by these insect." &mdash; Goodrich, 1859

Chrysalis of the Luna Moth

"Among the larger and more splendid moths of our own country is the Luna Moth, or Green Emperor Moth,…

"Gracilaria salicifoliella. GRACILARIA. In entomology, the typical genus of Gracilariidae, containing very small but beautiful tineid moths, characterized by the form of the fore wings and the smoothly clothed palpi." -Whitney, 1911

Leaf Blotch Miner Moth

"Gracilaria salicifoliella. GRACILARIA. In entomology, the typical genus of Gracilariidae, containing…

Pine beauty moth is the common name of trachea piniperda. This moth is a heavy bodied insect with variegated wings of a reddish brown color. The wings are mottled with orange, yellow, white and sometimes green.

Pine Beauty Moth

Pine beauty moth is the common name of trachea piniperda. This moth is a heavy bodied insect with variegated…

"Plum-moth (Grapholitha prunivora). GRAPHOLITHA. A genus of small and peculiarly marked tortricid moths, some of which inhabit galls." -Whitney, 1911

Plum Moth

"Plum-moth (Grapholitha prunivora). GRAPHOLITHA. A genus of small and peculiarly marked tortricid moths,…

"<i>Philampelus satellitia</i>, a large and handsome hawk-moth whose larva feeds upon the vine. Natural size. Left pair of wings omitted." &mdash;Whitney, 1889

Satellite Sphinx Moth

"Philampelus satellitia, a large and handsome hawk-moth whose larva feeds upon the vine. Natural size.…

An illustration of a sugar-maple moth. A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. The differences between butterflies and moths are more than just taxonomy.

Sugar-Maple Moth

An illustration of a sugar-maple moth. A moth is an insect closely related to the butterfly, both being…

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.

Nervous system of an adult ladybug. Ag, optic ganglion.

Nervous System of a Ladybug

Nervous system of an adult ladybug. Ag, optic ganglion.

Nervous system of the larva of a ladybug. Labels: Gfr, frontal ganglion; G, cerebral ganglia; Sg, subcesophageal ganglion; G'-G", ganglia of the ventral chain.

Nervous System of a Ladybug Larva

Nervous system of the larva of a ladybug. Labels: Gfr, frontal ganglion; G, cerebral ganglia; Sg, subcesophageal…

Nut weevil is the common name of balaninus nucum. The weevil is one third of an inch long with an egg shaped body. The body is brown or black and covered with gray, yellowish gray, or white gray hairs.

Nut Weevil and Grub

Nut weevil is the common name of balaninus nucum. The weevil is one third of an inch long with an egg…

Passive nymph or "pupa" of male scale insect.

Passive Nymph

Passive nymph or "pupa" of male scale insect.

This picture shows the hinder rings of the abdomen and the ovipositor. The ovipositor serves to pierce the plant tissues.

Oak Gall Fly

This picture shows the hinder rings of the abdomen and the ovipositor. The ovipositor serves to pierce…

Galls are structures budded out from stems, leaves, or other pats of plants. Galls are made by insects for the protection of their young or immature larvae. Pictured is the oak apple gall, about two thirds its natural size. Also pictured is the young root of oak bearing galls.

Oak Galls

Galls are structures budded out from stems, leaves, or other pats of plants. Galls are made by insects…

Galls are structures budded out from stems, leaves, or other pats of plants. Galls are made by insects for the protection of their young or immature larvae. Pictured is a cluster of galls and an oak twig with two galls.

Oak Galls

Galls are structures budded out from stems, leaves, or other pats of plants. Galls are made by insects…

Pictured is a section of an onion attacked by the larvae of the onion fly. The burrow of the larva is towards the base of the onion. The entire development of an onion fly attack is four to six weeks.

Larvae of Onion Fly

Pictured is a section of an onion attacked by the larvae of the onion fly. The burrow of the larva is…

Also known as Orchis morio. A depiction of the pollination of an orchid, where a hive bee is sucking nectar from the flower.

Pollination of an Orchid

Also known as Orchis morio. A depiction of the pollination of an orchid, where a hive bee is sucking…

Phyllobius is a genus of small beetles. The oblongus variety has a short, thick beak. The antennae arise not far from the eyes.

Phyllobius Oblongus

Phyllobius is a genus of small beetles. The oblongus variety has a short, thick beak. The antennae arise…

A phylloxera. Typically found in eastern North America, and related to the aphid, they typically feed of the sap of grapevines.

Phylloxera-mite

A phylloxera. Typically found in eastern North America, and related to the aphid, they typically feed…

A Phylloxera-mite, related to the aphid, that feeds off the sap of grapevines.

Phylloxera-mite

A Phylloxera-mite, related to the aphid, that feeds off the sap of grapevines.

Pissodes notatus is a pine weevil. Pictured is the insect and the ravages to a tree trunk committed by the weevil.

Pissodes Notatus

Pissodes notatus is a pine weevil. Pictured is the insect and the ravages to a tree trunk committed…

Dotted leg plant-bug, one of many different heteropterous insects which suck the juices of plants.

Plant-bug

Dotted leg plant-bug, one of many different heteropterous insects which suck the juices of plants.

"The larvae of [Saperda populena] live in gall-like swellings in the branches [of poplar]."&mdash;Nicholson, 1884

Saperda Populena

"The larvae of [Saperda populena] live in gall-like swellings in the branches [of poplar]."—Nicholson,…

The hind wings of the potherb moth are frequently unspotted. The body is thick and heavy. The color is usually dull.

Potherb Moth

The hind wings of the potherb moth are frequently unspotted. The body is thick and heavy. The color…

Psylla pyrisuga is a type of aphide. It is very harmful to pear trees.

Psylla Pyrisuga

Psylla pyrisuga is a type of aphide. It is very harmful to pear trees.

The larva of psylla pyrisuga live on pear trees and sometimes apple trees. The larvae suck the juice from the leaves.

Larva of Psylla Pyrisuga

The larva of psylla pyrisuga live on pear trees and sometimes apple trees. The larvae suck the juice…

The Blackberry Psyllid (Trioza tripunctata) is an insect that feeds on specific plants.

Blackberry Psyllid

The Blackberry Psyllid (Trioza tripunctata) is an insect that feeds on specific plants.

Illustration of a pupa attached to a wall. A pupa (Latin pupa for doll, pl: pupae or pupas) is the life stage of some insects undergoing transformation. The pupal stage is found only in holometabolous insects, those that undergo a complete metamorphosis, going through four life stages; embryo, larva, pupa and imago.

Pupa

Illustration of a pupa attached to a wall. A pupa (Latin pupa for doll, pl: pupae or pupas) is the life…

Illustration of a pupa attached to a leaf. A pupa (Latin pupa for doll, pl: pupae or pupas) is the life stage of some insects undergoing transformation. The pupal stage is found only in holometabolous insects, those that undergo a complete metamorphosis, going through four life stages; embryo, larva, pupa and imago.

Pupa

Illustration of a pupa attached to a leaf. A pupa (Latin pupa for doll, pl: pupae or pupas) is the life…

Pupae of click beetles.

Pupae

Pupae of click beetles.

Gall flies make galls on oak, maple and roses.

Galls and Insects of Rhodites Rosae

Gall flies make galls on oak, maple and roses.

The body of the rose chafer is encased with a hard crust. The front wings are modified to form hard coverings extending over the hinder part of the body. The front wings protect the hind wings.

Rose Chafer with Hind Wings Extended

The body of the rose chafer is encased with a hard crust. The front wings are modified to form hard…

"On the continent of Europe the <em>Sirex gigas</em> often appears in immense numbers, and does great damage in this way." &mdash; Goodrich, 1859

Sawfly

"On the continent of Europe the Sirex gigas often appears in immense numbers, and does great…

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.

Also known as Nematus ribesii. A common pest of gooseberries.

Gooseberry Sawfly

Also known as Nematus ribesii. A common pest of gooseberries.

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…

A parasite which feeds as larvae in rose-twigs or upon the leaves. Some species are confined to roses for their food, while others can also feed on other plants.

Larvae of Rose Sawfly

A parasite which feeds as larvae in rose-twigs or upon the leaves. Some species are confined to roses…

"The burrow of the itch insect that causes scabies." &mdash; Richardson, 1906

Scabies

"The burrow of the itch insect that causes scabies." — Richardson, 1906