This gallery includes 931 illustrations of other orders of insects.

"Acerentomon, a very primitive insect. H, Head; TH.1, TH.2, TH.3, terga of thoracic segments; 1, 2, 3, the thoracic legs; A.1, A.2, A.3, A.4, abdominal appendages; P.A., eighth abdominal tergum; G., genital aperture; AP.P., post-anal appendix." -Thomson, 1916

Acerentomon

"Acerentomon, a very primitive insect. H, Head; TH.1, TH.2, TH.3, terga of thoracic segments; 1, 2,…

Adalia bipuncia, larva.

Adalia Bipuncia

Adalia bipuncia, larva.

Adalia bipuncia, pupa.

Adalia Bipuncia

Adalia bipuncia, pupa.

Adalia bipuncia, adult.

Adalia Bipuncia

Adalia bipuncia, adult.

Larva of the Agrion.

Agrion

Larva of the Agrion.

An agrion insect.

Agrion

An agrion insect.

The Alderfly (Sialis infumata) is an insect in the Megaloptera order of alderflies, dobsonflies, and fishflies.

Alderfly

The Alderfly (Sialis infumata) is an insect in the Megaloptera order of alderflies, dobsonflies, and…

The adult form of Phymata Erosa.

Jagged Ambush Bug

The adult form of Phymata Erosa.

The adult form of Phymata Erosa.

Jagged Ambush Bug

The adult form of Phymata Erosa.

Burrow of Andrena, showing cells in order of completion; the first at <em>a</em>, the last at <em>f</em>, in which an egg has just been laid.

Andrena

Burrow of Andrena, showing cells in order of completion; the first at a, the last at f,…

Anisopteryx pometaria species; male.

Anisopteryx

Anisopteryx pometaria species; male.

Anisopteryx pometaria species; female.

Anisopteryx

Anisopteryx pometaria species; female.

"Anopheles, the malaria carrier." &mdash; Davison, 1906

Anopheles

"Anopheles, the malaria carrier." — Davison, 1906

"Ant-lions diffuse an odor of roses. Their flight, which is weak, distinguishes them from the dragon-fly."

Ant Lion (Myrmeleo Formicarius)

"Ant-lions diffuse an odor of roses. Their flight, which is weak, distinguishes them from the dragon-fly."

"The <em>Ophions</em> lay their eggs under the skin of caterpillars."

Species of Ophion

"The Ophions lay their eggs under the skin of caterpillars."

"It also belongs to the family which manages to place its eggs under the skin of other insects."

Species of Pimpla

"It also belongs to the family which manages to place its eggs under the skin of other insects."

"They are the miners of the vegetable world. The thistle often nourishes them."

Anthomyia Pluvialis

"They are the miners of the vegetable world. The thistle often nourishes them."

Ant Lion adult.

Antlion

Ant Lion adult.

"Ant-lion; perfect insect."-Whitney, 1902

Antlion

"Ant-lion; perfect insect."-Whitney, 1902

"Ant-lion; perfect larva."-Whitney, 1902

Antlion

"Ant-lion; perfect larva."-Whitney, 1902

"Ant-lion larva." &mdash; Chambers' Encyclopedia, 1875

Antlion

"Ant-lion larva." — Chambers' Encyclopedia, 1875

"Ant-lion perfect insect." &mdash; Chambers' Encyclopedia, 1875

Antlion

"Ant-lion perfect insect." — Chambers' Encyclopedia, 1875

A Myrmeleo adult fly, of the family Myrmeleonidae.

Antlion

A Myrmeleo adult fly, of the family Myrmeleonidae.

"A very beautiful species of the ant-lion is to be found in the climate which characterizes the south of France; its larva can move forward, and does not dig itself a funnel."

Antlion

"A very beautiful species of the ant-lion is to be found in the climate which characterizes the south…

"In some species the larvae, which are small, sluggish, oval-shaped creatures, and furnished with a formidable pair of jaws, excavate conical pits in the sandy places which they inhabit, at the bottom of which they conceal themselves entirely, with the exception of the head and jaws." &mdash; Goodrich, 1859

Antlion and Larva

"In some species the larvae, which are small, sluggish, oval-shaped creatures, and furnished with a…

An illustration of three ants.

Ants

An illustration of three ants.

Apanteles species. Little mass of cocoonson leaf, replacing an infested larva.

Apanteles

Apanteles species. Little mass of cocoonson leaf, replacing an infested larva.

"Apanteles aleti&aelig;, much enlarged. ITs species infest various lepidpterous larv&aelig;, and form egg-like cocoons, either singly or in masses, attached to the bodies of their victims."-Whitney, 1902

Apanteles aletiæ

"Apanteles aletiæ, much enlarged. ITs species infest various lepidpterous larvæ, and form…

"Aphelinus mytilaspidis. (Cross shows natural size)."-Whitney, 1902

Aphelinus

"Aphelinus mytilaspidis. (Cross shows natural size)."-Whitney, 1902

Aphelinus mytilaspidis, parasite on scale insects.

Aphelinus

Aphelinus mytilaspidis, parasite on scale insects.

Aphids are tiny insects that are harmful to plants. This is an adult winged female.

Aphid

Aphids are tiny insects that are harmful to plants. This is an adult winged female.

Aphids are tiny insects that are harmful to plants. This is a wingless larval female.

Aphid

Aphids are tiny insects that are harmful to plants. This is a wingless larval female.

Numerous species of aphids, or plant lice, are known, and they are among the greatest pests of the gardener and farmer.

Aphid

Numerous species of aphids, or plant lice, are known, and they are among the greatest pests of the gardener…

Aphids, also known as plant lice, are small plant-eating insects, and members of the superfamily Aphidoidea. Aphids are among the most destructive insect pests on Earth.

Aphid

Aphids, also known as plant lice, are small plant-eating insects, and members of the superfamily Aphidoidea.…

An illustration of a female hop aphid. Aphids, also known as plant lice (and in Britain as greenflies), are small plant-eating insects, and members of the superfamily Aphidoidea. Aphids are among the most destructive insect pests on Earth.

Hop Aphid (Female)

An illustration of a female hop aphid. Aphids, also known as plant lice (and in Britain as greenflies),…

An illustration a hop aphid in larval form. Aphids, also known as plant lice (and in Britain as greenflies), are small plant-eating insects, and members of the superfamily Aphidoidea. Aphids are among the most destructive insect pests on Earth.

Hop Aphid (Larva)

An illustration a hop aphid in larval form. Aphids, also known as plant lice (and in Britain as greenflies),…

The winged female woolly aphid (Schizoneura lanigera), a species of plant lice of the Eriostoma family.

Adult Woolly Aphid

The winged female woolly aphid (Schizoneura lanigera), a species of plant lice of the Eriostoma family.

The female woolly aphid larva (Schizoneura lanigera), a species of plant lice of the Eriostoma family.

Woolly Aphid Larva

The female woolly aphid larva (Schizoneura lanigera), a species of plant lice of the Eriostoma family.

Eriosoma Lanigera, or the Wooly Apple-Tree Blight. These insects appropriate for their generic name two Greek words, signifying wool and body, the insect being partially enveloped in a cottony or wool-like secretion, furnished from its own body. The eggs are deposited in crotches or cracks of the branches or bark, often at or near the surface of the ground, or on new shoots springing from the parent tree.

Wooly Aphid

Eriosoma Lanigera, or the Wooly Apple-Tree Blight. These insects appropriate for their generic name…

Eriosoma Imbricata. Found very abundantly on birch in Maryland in October. These insects cluster together on the twigs, and have the appearance of many small spots of snow-like wool or down moving up and down by jerks, the hinder parts of the insect being covered with this downy secretion.

Wooly Aphid

Eriosoma Imbricata. Found very abundantly on birch in Maryland in October. These insects cluster together…

Eriosoma Tesselata was found on birch in Maryland, in clusters near the ends of twigs, in the autumn. It is of a black color, with white spots on the fore part of its body, and is covered with a snow white down or wool on its hinder part.

Wooly Aphid

Eriosoma Tesselata was found on birch in Maryland, in clusters near the ends of twigs, in the autumn.…

"They subsist on the sap of the tree; and are sometimes provided with wings, and are sometimes without."

Winged Aphides, or Plant Lice

"They subsist on the sap of the tree; and are sometimes provided with wings, and are sometimes without."

"They subsist on the sap of the tree; and are sometimes provided with wings, and are sometimes without."

Winged Aphides, or Plant Lice

"They subsist on the sap of the tree; and are sometimes provided with wings, and are sometimes without."

"They subsist on the sap of the tree; and are sometimes provided with wings, and are sometimes without."

Wingless Aphides, or Plant Lice

"They subsist on the sap of the tree; and are sometimes provided with wings, and are sometimes without."

"They subsist on the sap of the tree; and are sometimes provided with wings, and are sometimes without."

Wingless Aphides, or Plant Lice

"They subsist on the sap of the tree; and are sometimes provided with wings, and are sometimes without."

Grain or oat-plant louse, does much injury to grain, and especially to oats, but is also found on wheat, rye, and other cereals.

Aphis Avence

Grain or oat-plant louse, does much injury to grain, and especially to oats, but is also found on wheat,…

Also known as the Cotton-plant louse, is a great nuisance to the planters, especially when the plants are very small, as then they are more liable to succumb to the attacks of these insects, as by sucking out the sap they distort the stems, and in fact frequently kill the plants before they have attained sufficient maturity and strength to withstand their repeated attacks.

Aphis Gossypii

Also known as the Cotton-plant louse, is a great nuisance to the planters, especially when the plants…

"Corn Aphis: a, natural size." &mdash; Chambers' Encyclopedia, 1875

Corn Aphis

"Corn Aphis: a, natural size." — Chambers' Encyclopedia, 1875

A large aphis is found in clusters on the under side of limbs of hickory, oak, and basswood and walnut, July and August, puncturing the bark and sucking the sap.

Hickory Aphis

A large aphis is found in clusters on the under side of limbs of hickory, oak, and basswood and walnut,…

This larva is really a six-legged grub.

Larva of the Aphrophora (Aphrophora Spumaria)

This larva is really a six-legged grub.

"Apiomerus crassipes, a species widely distributed in the United States."-Whitney, 1902

Apiomerus

"Apiomerus crassipes, a species widely distributed in the United States."-Whitney, 1902

Illustrated are the burrows of an apple-tree borer. The holes at (a) shows where the adult beetle emerged.

Apple-Tree Borer

Illustrated are the burrows of an apple-tree borer. The holes at (a) shows where the adult beetle emerged.

Army-worm, Leucania unipuncta species.

Armyworm

Army-worm, Leucania unipuncta species.

The wheat-head army-worm; eating out a head of grain.

Armyworm

The wheat-head army-worm; eating out a head of grain.

The fall army-worm.

Armyworm

The fall army-worm.

"This species is common over the whole of Europe, and lives at the expense of caterpillars and other insects, of which it sucks the blood with the greatest voracity."

Asilus Crabroniformis

"This species is common over the whole of Europe, and lives at the expense of caterpillars and other…

Scale-insect, was found on imported lemons in Jacksonville, Fla. This insect is said to be allied to <em>Aspidiotus</em> (<em>Coccus</em>) <em>citricola</em> of Boisduval, which has been very injurious to the orange in the maritime Alps in Northern Italy.

Aspidiotus Citricola

Scale-insect, was found on imported lemons in Jacksonville, Fla. This insect is said to be allied to…

Ectrichodia cruciata is a species of assassin bugs in the Hemiptera order of true bugs.

Assassin Bug

Ectrichodia cruciata is a species of assassin bugs in the Hemiptera order of true bugs.

Atomaria Ephippiata insect.

Atomaria Ephippiata

Atomaria Ephippiata insect.

The bag-worm, Thyrtdopteryx ephemeraeformis species; larva.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; larva.