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Pictured are the beetle of the natural size (a), and enlarged (b), and a pea (c) in which the hole of exit is seen on one side. These beetles are very small and black with dense, silky hairs.

Bruchus Pisi

Pictured are the beetle of the natural size (a), and enlarged (b), and a pea (c) in which the hole of…

Pictured is a leaf with a male on it, slightly enlarge (a) and a male flying, much enlarged (b). Lecanium persicae is known as the peach scale insect. It lives on the branches of peach and plum trees.

Lecanium Persicae

Pictured is a leaf with a male on it, slightly enlarge (a) and a male flying, much enlarged (b). Lecanium…

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…

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…

Tomicus laricis is a pine bark beetle. The bodies of the beetles are cylindrical and the wing cases are rounded down at the hinder end and along the sides.

Tomicus Laricis

Tomicus laricis is a pine bark beetle. The bodies of the beetles are cylindrical and the wing cases…

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…

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…

Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied, wingless female aphid appear and give birth to young aphids. They suck the juices from leaves or twigs.

Wooly Aphis on Alnus

Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied,…

Flat-Headed Borer is the common name of <I>Chalcophora virginiensis</I>. The insect extendsd its flattened burrows deep into the wood of the tree. The larvae grow to the length of two inches.

Flat-Headed Borer

Flat-Headed Borer is the common name of Chalcophora virginiensis. The insect extendsd its flattened…

Pictured are phylloxera galls on chestnut. Insect larvae cause malformations or swellings of the leaves or twigs, known as galls.

Phylloxera Galls on Chestnut

Pictured are phylloxera galls on chestnut. Insect larvae cause malformations or swellings of the leaves…

Pictured are mite galls on maple. The galls are malformations or swellings caused by the insect.

Mite Galls on Maple

Pictured are mite galls on maple. The galls are malformations or swellings caused by the insect.

Illustrated is a man pouring food onto a "food tree" for birds. A food tree imitates a coniferous tree covered with insect eggs and larvae. A mixture of hot liquid food is poured on the tree and it hardens as it cools.

Food Tree

Illustrated is a man pouring food onto a "food tree" for birds. A food tree imitates a coniferous tree…

The American robin is protected in the United States. It is an insect eating bird.

American Robin

The American robin is protected in the United States. It is an insect eating bird.

Venus Fly Trap is the common name of dionaea muscipula. The plant is insectivorous, meaning it eats insect. The flowers of the plant are white.

Venus Fly Trap

Venus Fly Trap is the common name of dionaea muscipula. The plant is insectivorous, meaning it eats…

Illustrated are the four stages in an insects' life: egg, larva, pupa, imago. The insect pictured is the codlin moth.

Insect Life Stages

Illustrated are the four stages in an insects' life: egg, larva, pupa, imago. The insect pictured is…

A maggot is the larva of a dipterous insect.

Maggot

A maggot is the larva of a dipterous insect.

The cocoon of the promethea moth is made in the roll of a leaf. The insect weaves a web around the leaf stalk and ties it to the parent stem. That way the leaf cannot fall.

Promethea Moth Cocoon

The cocoon of the promethea moth is made in the roll of a leaf. The insect weaves a web around the leaf…

Illustrated are the mouth parts of a biting insect.

Biting Insect

Illustrated are the mouth parts of a biting insect.

Pictured is the mature winter scale. Also shown is the insect itself with it threadlike feeding organs.

San Jose Scale

Pictured is the mature winter scale. Also shown is the insect itself with it threadlike feeding organs.

Illustrated is a hemipterous insect, considered to be a true bug. It belongs to the order hemiptera.

Hemipterous Insect

Illustrated is a hemipterous insect, considered to be a true bug. It belongs to the order hemiptera.

Illustrated is a tomato worm attacked by a parasitic insect.

Tomato Worm

Illustrated is a tomato worm attacked by a parasitic insect.

Illustrated is a spreading board for drying soft winged insects.

Spreading Board

Illustrated is a spreading board for drying soft winged insects.

A destructive insect of corn. Also called a cucumber beetle. Diabrotica is the name of the genus with which this insect belongs

Corn Rootworm

A destructive insect of corn. Also called a cucumber beetle. Diabrotica is the name of the genus with…

Image of an Argentine ant. This destructive insect is native to parts of South America, but was accidentally introduced to other countries including North America, Australia, Hawaii, Europe, Japan, New Zealand, and Easter Island. The smaller image is slightly smaller than its actual size.

Argentine Ant

Image of an Argentine ant. This destructive insect is native to parts of South America, but was accidentally…

The female locust anal characters, showing the horny valves.

Female Locust Anatomy

The female locust anal characters, showing the horny valves.

The egg of the Rocky mountain locust.

Locust egg

The egg of the Rocky mountain locust.

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…

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…

Galeopithecus is the generic name of certain mammals from the Malayan region, commonly (incorrectly) referred to as flying lemurs. The two species of Galeopithecus are now placed in a sub-order of Insectivora, and regarded as the vegetarian analogues of the insect-eating bats. The common species, G. volans, is about the size of a cat and has a flying-membrane. The teeth are remarkable, the lower incisors being comb-like, while the upper outer incisor at each side has two roots. Galeopithecus primarily inhabit forests. They feed upon leaves, fruit, eggs, insects, and even small birds. They are nocturnal. Though incapable of true flight, they can take long, flying leaps.

Galeopithecus

Galeopithecus is the generic name of certain mammals from the Malayan region, commonly (incorrectly)…

Gall-fly is a name applied to the members of the family Cynipidae, which are not flies, but are related to ants and bees (order Hymenoptera).

Gall-fly

Gall-fly is a name applied to the members of the family Cynipidae, which are not flies, but are related…

An image of a fly, a species of insect.

Fly

An image of a fly, a species of insect.

A gecko is a small, four-footed member of the lizard family Geckonidae. Geckos are widely distributed throughout the world, inhabiting primarily warm countries. They are usually dull in color; the eyes are without movable lids; the tail is brittle; while the feet of most species are remarkable for their adhesive digits, which enable the animal to not only climb on smooth surfaces, but even to run along ceilings and back downward. The geckos are insect-eaters and are harmless to man.

Gecko

A gecko is a small, four-footed member of the lizard family Geckonidae. Geckos are widely distributed…

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…

Insect claw.

Insect

Insect claw.

An insect claw.

Insect Claw

An insect claw.

An insect claw.

Insect Anatomy

An insect claw.

Click beetle, part of the family Elatoridae.

Click Beetle

Click beetle, part of the family Elatoridae.

A click beetle, member of the Elatoridae family.

Elatoridae

A click beetle, member of the Elatoridae family.

Wire worm (the larvae of click beetles).

Wire Worm

Wire worm (the larvae of click beetles).

Pupae of click beetles.

Pupae

Pupae of click beetles.

Cockchafer, a type of beetle. 1, adult beetle.

Cockchafer

Cockchafer, a type of beetle. 1, adult beetle.

Beetle larva.

Larva

Beetle larva.

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.

An insect closely related to the aphid that feeds off the sap found in grapevines.

Mite

An insect closely related to the aphid that feeds off the sap found in grapevines.

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.

A punctured cotton square from a boll-weevil and "flaring" of bracts.

Cotton Insect Damage

A punctured cotton square from a boll-weevil and "flaring" of bracts.

"<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.…

"Scales from the wings of a butterfly, <i>Vanessa antiopa</i>, highly magnified. 1. from border of anterior wing, above; 2. from border of anterior wing, below." -Whitney, 1889.

Scales from the Wings of a Butterfly

"Scales from the wings of a butterfly, Vanessa antiopa, highly magnified. 1. from border of anterior…

Illustration of two small corn (maize) kernels being eaten by maggots. One maggot is still inside one of the kernels.

Maize Kernels Destroyed by Maggots

Illustration of two small corn (maize) kernels being eaten by maggots. One maggot is still inside one…

"In entomology, shaped like the longitudinal half of a barbed arrow-head, or like the barbed end of a fish-hook; accuminate, rectilinear on one side, and spreading to a sharp projection on the other: noting color-marks, especially on the wings of <i>Lepidoptera</i>." &mdash;Whitney, 1889

Semisagittate Mark

"In entomology, shaped like the longitudinal half of a barbed arrow-head, or like the barbed end of…

"The typical genus of <i>Sironidae</i>. Two species inhabit Europe, one the Philippines, and another (undescribed) is found in the United States. Also called <i>Cyphophthalmus</i>." &mdash; Whitney, 1889 <p>Illustration of a small insect with eight legs.

Siro Americanus

"The typical genus of Sironidae. Two species inhabit Europe, one the Philippines, and another (undescribed)…

<Sminthurus roseus</i>. "A family of collembolous insects, typified by the genus <i>Sminthurus</i>, having a globular body, four-jointed antennae with a long terminal joint, saltatory appendage composed of a basal part and two arms, and tracheae well developed. They are found commonly among grass and fungi; many species have been described." &mdash;Whitney, 1889 <p>These animals are no longer considered insects. This illustration shows a tiny creature with six legs, two appendages at the back, and two antennae.

Springtail - View from Top

<i>Spelerpes ruber</i>. "...of a bright red color, more or less spotted with black, and is found in cold springs and brooks." —Whitney, 1889 <p>Illustration of a salamander with its tongue extended, in the process of catching a flying insect to eat.

Red Salamander Eating an Insect

Spelerpes ruber. "...of a bright red color, more or less spotted with black, and is found in cold springs…