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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…

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,…

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

Saperda Populena

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

Also known as skipjacks. They are a beetle characterized by a click mechanism they possess, which they use to avoid predation.

Click Beetle

Also known as skipjacks. They are a beetle characterized by a click mechanism they possess, which they…

This insect is easily identified by the vaguely human skull-shaped pattern of markings on the thorax.

Death's-Head Hawkmoth

This insect is easily identified by the vaguely human skull-shaped pattern of markings on the thorax.

Also known as Doryphora decemlineata. It is approximately 10 millimeters in length, with a bright yellow body and bold brown stripes along the length of each of its elytra.

Potato Beetle

Also known as Doryphora decemlineata. It is approximately 10 millimeters in length, with a bright yellow…

"The [potato beetle larva] is pale yellow, or, rather, dusky-yellow, or freckled with minute black dots on the back; and there are two rows of larger black dots along each side; the legs are black."—Nicholson, 1884

Larva of Potato Beetle

"The [potato beetle larva] is pale yellow, or, rather, dusky-yellow, or freckled with minute black dots…

Also known as Pieris brassicae. It is commonly found throughout Europe, Asia, and north Africa. The wings are white with black tips, with the females having two black spots on each forewing.

Large White Cabbage Butterfly

Also known as Pieris brassicae. It is commonly found throughout Europe, Asia, and north Africa. The…

Also known as Pieris brassicae. An image of the larva and pupa of the large white cabbage butterfly.

Larva and Pupa of a Large White Cabbage Butterfly

Also known as Pieris brassicae. An image of the larva and pupa of the large white cabbage butterfly.

A plant with solitary pink flowers, with yellow disks. They generally reach up to 2 feet in height, and is largely used in the manufacture of insect powders.

Pyrethrum Roseum Flore-Pleno

A plant with solitary pink flowers, with yellow disks. They generally reach up to 2 feet in height,…

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

Gooseberry Sawfly

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

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 Buffalo Tree-Hopper and its work: a, Adult; b, Fresh egg slits; c, Eggs in slits, natural size; d, Eggs enlarged; e, Scars produced by egg slits."—The Federal Digest, 1921

Buffalo Tree-Hopper

"The Buffalo Tree-Hopper and its work: a, Adult; b, Fresh egg slits; c, Eggs in slits, natural size;…

The Fall Webworm and its stages of life, including the caterpillar, pupae, and moth.

Fall Webworm

The Fall Webworm and its stages of life, including the caterpillar, pupae, and moth.

"Shows a butterfly with comparatively very large wings. The nervures are seen to be a great advantage in this specimen; and the enormous expanse of the pinions readily explains the irregular flight of the insect on the principle of recoil."—Pettigrew, 1874

Butterfly

"Shows a butterfly with comparatively very large wings. The nervures are seen to be a great advantage…

"Under surface of large beetle, with deeply concave and comparatively small wings, shows that the nervures of the wings of the beetle are arranged along the anterior margins and throughout the substance of the wings generally, very much as the bones of the arm, forearm, and hand, are in the wings of the bat, to which they bear a very marked resemblance, both in their shape and mode of action."—Pettigrew, 1874

Large Beetle

"Under surface of large beetle, with deeply concave and comparatively small wings, shows that the nervures…

A species of beetle found in tropical Africa.

Centaur Beetle

A species of beetle found in tropical Africa.

A species of bug that have aquatic habits.

Water Bug

A species of bug that have aquatic habits.

An insect characterized by large multifaceted eyes, two pairs of strong transparent wings, and an elongated body.

Dragonfly

An insect characterized by large multifaceted eyes, two pairs of strong transparent wings, and an elongated…

Ten butterflies.

Ten Butterfies

Ten butterflies.

This insect can be beneficial to gardens. This insect eats other insects and snails.

Devil's Coach Horse

This insect can be beneficial to gardens. This insect eats other insects and snails.

The seven-spotted lady bird is beneficial to gardens because it eats aphides.

Seven-Spotted Ladybird

The seven-spotted lady bird is beneficial to gardens because it eats aphides.

The grub of the beneficial ladybird. This insect is beneficial to gardens because it eats aphides.

Grub of Ladybird

The grub of the beneficial ladybird. This insect is beneficial to gardens because it eats aphides.

Frog hopper belong to the same order as aphidoe, to the section which has the leathery upper wings. It is the larva of the frog hoppers the produce a frothy secretion referred to as frog spit or cuckoo spit. This secretion is harmful to plants.

Larva, Frothy Secretion, and Perfect Insect of the Frog Hopper

Frog hopper belong to the same order as aphidoe, to the section which has the leathery upper wings.…

The grape or vine louse belongs to the Aphides, or Green Flies. The insect lives on the European vine. Galls are formed by the louse on each side of roots and leaves.

Grape or Vine Louse

The grape or vine louse belongs to the Aphides, or Green Flies. The insect lives on the European vine.…

Generally, larva of the butterfly resembles a worm. Larva do not resemble the mature insect.

Larva of a Small Cabbage Butterfly

Generally, larva of the butterfly resembles a worm. Larva do not resemble the mature insect.

Larva are unlike the mature insect. Larva of the moth or butterfly resemble worms. It may have a distinct head and the rings of the body may differ in the three immediately behind the head.

Larva of a Leopard Moth

Larva are unlike the mature insect. Larva of the moth or butterfly resemble worms. It may have a distinct…

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…

The larva of the colorado beetle is very unlike the adult insect. The larva is harmful to gardens.

Larva of the Colorado Beetle

The larva of the colorado beetle is very unlike the adult insect. The larva is harmful to gardens.

The larva of the colorado beetle are harmful to gardens.

Colorado Beetle

The larva of the colorado beetle are harmful to gardens.

The common ground beetle feeds mostly on insects, though some of them are partly vegetarian.

Common Ground Beetle

The common ground beetle feeds mostly on insects, though some of them are partly vegetarian.

The Devil's Coach Horse is also known as Rove Beetles. These beetles feed largely on decaying matter.

Devil's Coach Horse

The Devil's Coach Horse is also known as Rove Beetles. These beetles feed largely on decaying matter.

Cockchafer's are harmful attack the roots of plants.

Grub of the Cockchafer

Cockchafer's are harmful attack the roots of plants.

House crickets are in the order Orthoptera. Crickets are destructive to plants in every stage after leaving the egg.

House Cricket

House crickets are in the order Orthoptera. Crickets are destructive to plants in every stage after…

Grasshoppers belong to the order Orthoptera. Grasshoppers have mouths fit for biting, net-veined wings, and thick front wings.

Green Grasshopper

Grasshoppers belong to the order Orthoptera. Grasshoppers have mouths fit for biting, net-veined wings,…

Cockroaches belong to the order Orthoptera. Cockroaches are harmful to plants in every stage after leaving the egg.

Female Cockroach

Cockroaches belong to the order Orthoptera. Cockroaches are harmful to plants in every stage after leaving…

Thrips are very small insects that live in flowers. Thrips gnaw the surface of petals.

Magnified Thrips

Thrips are very small insects that live in flowers. Thrips gnaw the surface of petals.

Gall flies make galls on oak, maple and roses.

Galls and Insects of Rhodites Rosae

Gall flies make galls on oak, maple and roses.

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…

Large white cabbage butterflies 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.

Large White Cabbage Butterfly

Large white cabbage butterflies have large wings that are covered with small scales. The mouth is not…

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.…

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

Large Cabbage Butterfly Caterpillar

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

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…

Bean aphis have membranous and naked wings with few supporting nervures. Some species are wingless.

Bean Aphis

Bean aphis have membranous and naked wings with few supporting nervures. Some species are wingless.

Frog hoppers belong to the order Heteroptera. This order is also known as plant bugs. These insects are very small.

Larva, Frothy Section, and Perfect Insect of the Frog Hopper

Frog hoppers belong to the order Heteroptera. This order is also known as plant bugs. These insects…

Grape or vine louse are wingless. These insects are very small.

Grape or Vine Louse

Grape or vine louse are wingless. These insects are very small.

Bombyx Neustria, or the lackey moth, lay their eggs on the twigs of various trees. When the larvae emerge they are black.

Lackey Moth

Bombyx Neustria, or the lackey moth, lay their eggs on the twigs of various trees. When the larvae emerge…

Ladybugs are a type of small beetle. The larvae feed on aphides, making them beneficial to horticulturalists.

Grub of a Seven Spotted Ladybug

Ladybugs are a type of small beetle. The larvae feed on aphides, making them beneficial to horticulturalists.

The seven spotted ladybug is one of the most common species of ladybug. The ladybug is also known as the ladybird.

Seven Spotted Ladybug

The seven spotted ladybug is one of the most common species of ladybug. The ladybug is also known as…

The larvae of the lily beetle live on lilies, devouring their leaves. The antennae are on the front of the head of the beetle.

Eggs, Larvae, and Perfect Insect of the Lily Beetle

The larvae of the lily beetle live on lilies, devouring their leaves. The antennae are on the front…

Lyda is a genus of sawflies. Lyda pyri injure plums and other stone fruit trees. The habits of the larvae facilitate the destruction of the trees.

Larvae and Web of Lyda Pyri

Lyda is a genus of sawflies. Lyda pyri injure plums and other stone fruit trees. The habits of the larvae…

Millipedes are usually cylindrical. The origins of the legs are usually brought very close to the middle line of the body below. These insects feed on decaying vegetable tissue.

Millipede

Millipedes are usually cylindrical. The origins of the legs are usually brought very close to the middle…

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…

The humming bird hawk moth has long, narrow front wings. The front wings move rapidly causing the moth to fly in a peculiar fashion.

Humming Bird Hawk Moth

The humming bird hawk moth has long, narrow front wings. The front wings move rapidly causing the moth…

When clear wing moths are larvae they live in burrows, in the roots and stems of many plants, and often do considerable damage.

Clear Wing Moth

When clear wing moths are larvae they live in burrows, in the roots and stems of many plants, and often…

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…

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…

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…