ClipArt ETC
"Anurida maritima, one of the primitive wingless Collembola." -Thomson, 1916

Springtail

"Anurida maritima, one of the primitive wingless Collembola." -Thomson, 1916

"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,…

The itch mite or Sarcoptes scabiei.

Itch Mite

The itch mite or Sarcoptes scabiei.

A Thysanuran, the Campodea.

Campodea

A Thysanuran, the Campodea.

"Two stages in the metamorphosis of the Mosquito. A, larva; B, pupa; C, ventral view of the oar-like appendages of the last segment of the pupa." -Galloway, 1915

Mosquito Metamorphosis

"Two stages in the metamorphosis of the Mosquito. A, larva; B, pupa; C, ventral view of the oar-like…

"The Hessian Fly (Cecidiomya destructor). a, the adult; b, larva; c, pupa; d, larvae in position on stalk of wheat." -Galloway, 1915

Hessian Fly Stages

"The Hessian Fly (Cecidiomya destructor). a, the adult; b, larva; c, pupa; d, larvae in position on…

The butterfly of Pieris rapae, or Small White.

Small White Butterfly

The butterfly of Pieris rapae, or Small White.

"Cattle Tick. Above, nat. size, side view; below, dorsal view, enlarged." -Parker, 1900

Cattle Tick

"Cattle Tick. Above, nat. size, side view; below, dorsal view, enlarged." -Parker, 1900

A trilobite (Paradoxides Bohemicus) of the Cambrian period.

Trilobite

A trilobite (Paradoxides Bohemicus) of the Cambrian period.

"A beetle on the flower of the twayblade." -Bergen, 1896

Beetle on Flower

"A beetle on the flower of the twayblade." -Bergen, 1896

"A sphinx moth with a long sucking-tube." -Bergen, 1896

Sphinx Moth

"A sphinx moth with a long sucking-tube." -Bergen, 1896

The bumblebee.

Bumblebee

The bumblebee.

A large insect of the order Homptera.

Cicada

A large insect of the order Homptera.

The worm of the codling moth eating and burrowing through an apple.

Worm in Apple

The worm of the codling moth eating and burrowing through an apple.

An extensive genus of coleopterous insects tribes, and answering to the section Lamellicornes of Latereille. They are sometimes called dung-beetles, from their habit of enclosing their eggs in pellet of dung, which are placed in holes excavated for their reception.

Sacred Beetle

An extensive genus of coleopterous insects tribes, and answering to the section Lamellicornes of Latereille.…

A diagram of the external structure of an insect. Labels: 1, The head carrying the eyes and the antennae. 2, First segment of thorax with first pair of legs. 3, The second segment of the thorax with the second pair of legs and the first pair of wings. 4, The third segment of the thorax with the third pair of legs and the second pair of wings. 5, Abdomen without legs.

Diagram of the External Structure of an Insect

A diagram of the external structure of an insect. Labels: 1, The head carrying the eyes and the antennae.…

The image on the left are the teeth of a carnivora or flesh-eating animal. The teeth on the right belong t a insectivora or insect-eating animal. Notice the projecting jaw, the wide mouth, and sharp teeth of the carnivore animal in contrast with the elongated, tapering muzzle and cone-pointed molars of the insectivorous animal.

Comparing Teeth of Carnivora and Insectivora Animals

The image on the left are the teeth of a carnivora or flesh-eating animal. The teeth on the right belong…

Insects have neither arteries nor veins. The circulation, such as it is, is animated by the action of a vessel called dorsal, which is situated above the digestive tube. Labels: 1, Dorsal vessels in which the blood flows. 2,The lateral currents. The arrows show the outward and the inward current.

Diagram of the Circulation of an Insect.

Insects have neither arteries nor veins. The circulation, such as it is, is animated by the action of…

"Toad-flax (Linaria vulgaris). Flowers being visited by an insect for nectar. B, longitudinal section, showing the insect's proboscis extended down the spur toward the nectar-gland; C, insect with a mass of pollen (p), rubbed off from anthers onto the dorsal hairs of the thorax, during successive visits." -Gager, 1916

Common Toadflax with Insect

"Toad-flax (Linaria vulgaris). Flowers being visited by an insect for nectar. B, longitudinal section,…

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.

The dragonfly is an insect belonging to the Odonata order.

Dragonfly

The dragonfly is an insect belonging to the Odonata order.

The common hundred-legged worm. Its body is divided into a number of similar joints, and each joint is provided with a pair of legs.

Centiped

The common hundred-legged worm. Its body is divided into a number of similar joints, and each joint…

An insect with four large transparent wings, that are net-veined. They are abundant in ponds and still waters.

Dragon-fly

An insect with four large transparent wings, that are net-veined. They are abundant in ponds and still…

"The mouth of a biting insect is composed of an upper lip, a pair of mandibles, a pair of jaws, and a lower lip."

Mouth of Masticating Insect

"The mouth of a biting insect is composed of an upper lip, a pair of mandibles, a pair of jaws, and…

Jumping insects have very developed hind legs.

Posterior Leg of a Jumping Insect

Jumping insects have very developed hind legs.

A: Abdominal portion of the dorsal vessel B: Aortic or thoracic portion C: Air-vessels of the head D: Air-vessels of the abdomen

Organs of Circulation and Breathing in an Insect

A: Abdominal portion of the dorsal vessel B: Aortic or thoracic portion C: Air-vessels of the head D:…

A: Foliaceous laminae, or gills "The breathing apparatus of a water insect called the Ephemera."

Branchiae, or Gills, of an Aquatic Larva (Ephemera)

A: Foliaceous laminae, or gills "The breathing apparatus of a water insect called the Ephemera."

A: Eggs B: Larva C: Pupa D: Imago, or perfect insect

Hydrophilus in its Four States

A: Eggs B: Larva C: Pupa D: Imago, or perfect insect

"The Head-louse is an insect with a flat body, slightly transparent, and of a grayish color."

Louse (Pediculus Capitis)

"The Head-louse is an insect with a flat body, slightly transparent, and of a grayish color."

This insect has a natural camouflage and appears just a leaf.

Leaf Insect (Phyllium Scythe), Female

This insect has a natural camouflage and appears just a leaf.

"The larva makes a small tunnel in the sand, having a conical mouth, where it waits, like the spider, immovable. As soon as an insect falls into the hole, it raises its head, and squeezing its prey in the folds of its body, devours it."

Vermilea de Geeri

"The larva makes a small tunnel in the sand, having a conical mouth, where it waits, like the spider,…

"This trunk, or tongue, may be looked upon as the mouth of the insect."

Retractile Proboscis of Blue-Bottle Fly

"This trunk, or tongue, may be looked upon as the mouth of the insect."

"A little fly about half the size of a house-fly. This insect lives chiefly upon the fruit of the olive-tree."

Dacus Oleae

"A little fly about half the size of a house-fly. This insect lives chiefly upon the fruit of the olive-tree."

"A little fly about half the size of a house-fly. This insect lives chiefly upon the fruit of the olive-tree."

Olives attacked by Dacus Oleae

"A little fly about half the size of a house-fly. This insect lives chiefly upon the fruit of the olive-tree."

"It requires twenty-seven to twenty-eight days for this insect to pass to its perfect state."

Gallery Formed by Larvae of Dacus Oleae

"It requires twenty-seven to twenty-eight days for this insect to pass to its perfect state."

"It is a blood-thirsty insect, and one of the most carnivorous. Those which it attacks die very soon after being hurt by it."

Notonecta Glauca

"It is a blood-thirsty insect, and one of the most carnivorous. Those which it attacks die very soon…

"The Lantern-fly is found in large numbers in South America. This remarkable insect enjoys a great renown by a peculiarity which might be called its specialty - the property of shining by night or in the dark."

Lantern Fly (Fulgora Lanternaria)

"The Lantern-fly is found in large numbers in South America. This remarkable insect enjoys a great renown…

"In Florida, Guiana and Brazil is a small insect which a French naturalist calls 'le Petit Diable," which is French for 'the little devil.'" 1. Hypsauchenia balista 2. Membracis foliata 3. Centrotus cornutus 4. Umbonia spinosa 5. Bocydium globulare 6. Cyphonia furcata

Bugs

"In Florida, Guiana and Brazil is a small insect which a French naturalist calls 'le Petit Diable,"…

"It is this little insect which furnishes, when its body has been dried and reduced to powder, a coloring matter of a beautiful red, peculiar to itself."

Cochineal Insects, Male (Coccus Cacti)

"It is this little insect which furnishes, when its body has been dried and reduced to powder, a coloring…

"It is this little insect which furnishes, when its body has been dried and reduced to powder, a coloring matter of a beautiful red, peculiar to itself."

Cochineal Insects, Female (Coccus Cacti)

"It is this little insect which furnishes, when its body has been dried and reduced to powder, a coloring…

"When the caterpillar wants to gnaw the edge of a leaf, it twists its body in such a way that at least one portion of the edge of the leaf is held between its legs, while the insect's jaws cut the leaf."

Looper Caterpillar Eating the Leaves of the Apricot (After Reaumur)

"When the caterpillar wants to gnaw the edge of a leaf, it twists its body in such a way that at least…

"On the upper part of the [insect's under sides], we perceive various raised portions, formed and arranged like the bands around the heads of mummies."

Conical Pupa

"On the upper part of the [insect's under sides], we perceive various raised portions, formed and arranged…

"In this early state one recognizes the head, which is then resting on the thorax; the two eyes and the antennae, which are brought forward like two ribbons; the wings are also brought over the thorax, but these are separated artificially in the drawing we have given; and lastly, in the space left between the wings, the six legs and the body of the insect."

Chrysalis of the Large Tortoise Shell Butterfly (Vanessa Polychloros)

"In this early state one recognizes the head, which is then resting on the thorax; the two eyes and…

The trunk is "directed downward and plunged into the flower. The insect draws it partly out, and perhaps curves it a little, and then plunges it into the flower again. It repeats the same maneuver seven or eight times, and then flies onto another flower."

Section of a Butterfly's Trunk, after Reaumur

The trunk is "directed downward and plunged into the flower. The insect draws it partly out, and perhaps…

"When the insect is at rest, the first two rings of its body taper in such a way as to resemble the snout of a pig."

Larva of Deilephila (Chaerocampa) Nerii

"When the insect is at rest, the first two rings of its body taper in such a way as to resemble the…

"They resemble so exactly dry sticks that it is impossible to tell the difference. It is an inoffensive insect, walks gently along the branches of trees, and likes to repose in the sun."

Stick Insect (Phasma Rossia)

"They resemble so exactly dry sticks that it is impossible to tell the difference. It is an inoffensive…

"In Germany and Sweden, the peasants use it as a cure for warts. They make this insect bite the warts which they often have on their hands, and the liquid which at the same time flows from the insect's mouth into the wound causes the warts to dry up and disappear."

Wart Biter (Decticus Verrucivorus)

"In Germany and Sweden, the peasants use it as a cure for warts. They make this insect bite the warts…

"As the larva increases in size, its food is made to acquire a more decided taste of honey. In the space of five days, the larvae are developed. The perfect insect is hatched seven or eight days after its transformation into a pupa."

Larva of the Bee

"As the larva increases in size, its food is made to acquire a more decided taste of honey. In the space…

"When the pupa is born, the workers watch over the newly-born insect; for some days they feed it, help it to walk, and do not abandon it until it can dispense with their services."

Pupa of the Red Ant (Myrmica Rubra)

"When the pupa is born, the workers watch over the newly-born insect; for some days they feed it, help…

An illustration of an apple-worm fly.

Apple-worm Fly

An illustration of an apple-worm fly.

An illustration of a gadfly.

Gadfly

An illustration of a gadfly.

An illustration of a horn fly.

Horn Fly

An illustration of a horn fly.

An illustration of a house fly with a maggot and puparium.

House Fly

An illustration of a house fly with a maggot and puparium.

An illustration of a stable fly.

Stable Fly

An illustration of a stable fly.

An illustration of a forest fly which is also known as a bird tick.

Forest Fly

An illustration of a forest fly which is also known as a bird tick.

"An insect among the Neuroptera, which undergo incomplete metamorphoses. These flutter about the banks of rivers and settle on stones, shrubs and aquatic plants."

Larva of Perla Bicaudata

"An insect among the Neuroptera, which undergo incomplete metamorphoses. These flutter about the banks…

An illustration of a meat fly.

Meat Fly

An illustration of a meat fly.

An illustration of a flesh fly.

Flesh Fly

An illustration of a flesh fly.

An illustration of a greenbottle flesh fly.

Greenbottle Flesh Fly

An illustration of a greenbottle flesh fly.

"An insect among the Neuroptera, which undergo incomplete metamorphoses. These flutter about the banks of rivers and settle on stones, shrubs and aquatic plants."

Larva of Nemoura

"An insect among the Neuroptera, which undergo incomplete metamorphoses. These flutter about the banks…