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This species is dreaded by furriers because of the damage it inflicts.

Attagenus Pellio

This species is dreaded by furriers because of the damage it inflicts.

"It is common in fresh waters. It must not be seized without taking precautions, as its breast is provided with a strong point, which pierces the skin."

Hydrophilus Piceus

"It is common in fresh waters. It must not be seized without taking precautions, as its breast is provided…

"The female is sometimes seen clinging to aquatic plants head downward, forming her cocoon, terminated by a long pedicle, in which she places her eggs, by means of the two bristles situated at the extremity of the abdomen."

Bristles at the Extremity of the Abdomen of the Hydrophilus Piceus

"The female is sometimes seen clinging to aquatic plants head downward, forming her cocoon, terminated…

"At the end of two months the larva comes out of the water and burrows into the ground to undergo its metamorphosis into a pupa, which becomes a perfect insect a month afterward."

Pupa of the Hydrophilus Piceus

"At the end of two months the larva comes out of the water and burrows into the ground to undergo its…

"The most common species of the <em>Dytici</em>, or Water Beetles. They sometimes attack the <em>Hydrophilus Piceus</em>."

Dyticus Marginalis (Male)

"The most common species of the Dytici, or Water Beetles. They sometimes attack the Hydrophilus…

"The most common species of the <em>Dytici</em>, or Water Beetles. They sometimes attack the <em>Hydrophilus Piceus</em>."

Dyticus Marginalis (Female)

"The most common species of the Dytici, or Water Beetles. They sometimes attack the Hydrophilus…

Another insect belonging to the <em>Dytici</em> family, or Water Beetles.

Cybister Roeselii

Another insect belonging to the Dytici family, or Water Beetles.

"They swim rapidly, describing incessantly capricious circles. These movements have gained for them the name of Whirligigs. They have four eyes, the lower ones looking into the water, while the upper eyes look upward toward the air."

Gyrinus Natator

"They swim rapidly, describing incessantly capricious circles. These movements have gained for them…

"They swim rapidly, describing incessantly capricious circles. These movements have gained for them the name of Whirligigs. They have four eyes, the lower ones looking into the water, while the upper eyes look upward toward the air."

Larva of Gyrinus Natator

"They swim rapidly, describing incessantly capricious circles. These movements have gained for them…

"The <em>Gyrinus Striatus</em> is found in the waters of Southern Europe. These insects are all small, not exceeding, as a rule, one fifth of an inch in length."

Gyrinus Striatus

"The Gyrinus Striatus is found in the waters of Southern Europe. These insects are all small,…

"A distinct species, which exists in a little lake of mineral waters in France, where visitors amuse themselves by fishing for them with a line baited with bits of red cloth, which it attacks."

Gyrinus Distinctus

"A distinct species, which exists in a little lake of mineral waters in France, where visitors amuse…

"A larger species from Brazil, with very long front legs."

Epinectus Sulcatus

"A larger species from Brazil, with very long front legs."

"Abounds in trees and gardens. When it is touched it disgorges a black and acrid saliva, and ejects from the abdomen a corrosive liquid of a disagreeable odor. It lives on the larvae of other insects."

Golden Ground Beetle (Carabus Auratus)

"Abounds in trees and gardens. When it is touched it disgorges a black and acrid saliva, and ejects…

"Abounds in trees and gardens. When it is touched it disgorges a black and acrid saliva, and ejects from the abdomen a corrosive liquid of a disagreeable odor. It lives on the larvae of other insects."

Carabus Canaliculatus

"Abounds in trees and gardens. When it is touched it disgorges a black and acrid saliva, and ejects…

"A very beautiful specimen of this tribe may be found in June on oak-tees."

Pupa of Calosoma Auropunctata

"A very beautiful specimen of this tribe may be found in June on oak-tees."

"They are small almost globular, of a pale yellow with green lines, an live in sand bordering rivers."

Omophron Libatum

"They are small almost globular, of a pale yellow with green lines, an live in sand bordering rivers."

"They are small almost globular, of a pale yellow with green lines, an live in sand bordering rivers. This species can be found all along the coast of the Mediterranean."

Nebria Arenaria

"They are small almost globular, of a pale yellow with green lines, an live in sand bordering rivers.…

"An Australian insect, of a bright black, which attains to more than an inch and three quarters in length, and whose short, serrated legs enable it to hollow out the ground."

Campylocnemis Schroeteri

"An Australian insect, of a bright black, which attains to more than an inch and three quarters in length,…

"The innumerable tribe of Harpalidae (or Harpalinae) contains carnivorous beetles of very small size. Hidden under stones, in dry leaves, at the foot of trees, they attack a number of small insects, caterpillars, etc., exterminating a quantity of vermin."

Harpalus Aeneus

"The innumerable tribe of Harpalidae (or Harpalinae) contains carnivorous beetles of very small size.…

"The innumerable tribe of Harpalidae (or Harpalinae) contains carnivorous beetles of very small size. Hidden under stones, in dry leaves, at the foot of trees, they attack a number of small insects, caterpillars, etc., exterminating a quantity of vermin."

Larva of Galerita Lecontei

"The innumerable tribe of Harpalidae (or Harpalinae) contains carnivorous beetles of very small size.…

"The innumerable tribe of Harpalidae (or Harpalinae) contains carnivorous beetles of very small size. Hidden under stones, in dry leaves, at the foot of trees, they attack a number of small insects, caterpillars, etc., exterminating a quantity of vermin."

Larva of Mormolyce Phyllodes

"The innumerable tribe of Harpalidae (or Harpalinae) contains carnivorous beetles of very small size.…

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out the contents of is abdomen."

Tiger Beetle (Cicindela Heros)

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out…

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out the contents of is abdomen."

Upper Side of Pupa of Tiger Beetle (Cicindela Heros)

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out…

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out the contents of is abdomen."

Under Side of Pupa of Tiger Beetle (Cicindela Heros)

"Their ferocity is remarkable. They quickly tear off the wings and legs of their victim, and suck out…

"According to a traveler, the women of Egypt eat these cooked with butter to make them fat. They are used also for earache, bite of the scorpion, etc."

Ctenostoma Rugosa

"According to a traveler, the women of Egypt eat these cooked with butter to make them fat. They are…

"A blackish-brown insect. The larvae are the well-known meal-worms, which live in flour."

Tenebrio Molitor (Larva and Imago)

"A blackish-brown insect. The larvae are the well-known meal-worms, which live in flour."

"The <em>Stylops</em> are parasitic on various species of <em>Andrenae</em>."

Stylops

"The Stylops are parasitic on various species of Andrenae."

"The female <em>Sitaris Humeralis</em> lays at the entrance of the nest of a solitary bee from 2,000 to 3,000 small, whitich eggs, stuck together in shapeless masses."

Sitaris Humeralis

"The female Sitaris Humeralis lays at the entrance of the nest of a solitary bee from 2,000…

"A month afterward there come out of these eggs very small larvae, of a shining dark green, hard-skinned, armed with strong jaws, and long legs and antennae. As the bees come out of their nests, these larvae hook themselves onto their hairs."

First Larva of Sitaris Humeralis

"A month afterward there come out of these eggs very small larvae, of a shining dark green, hard-skinned,…

"When the male bees have built the cells and furnished them with honey, the female, as we know, deposits in each an egg. Immediately the larvae of the <em>Sitaris</em> let themselves fall onto these eggs, open them and suck their contents. Then they change their skin, and the second larva appears."

Pseudo Nymph of Sitaris Humeralis

"When the male bees have built the cells and furnished them with honey, the female, as we know, deposits…

The second larva stage lasts for 6 weeks. It contracts and passes through the winter. "In the spring it comes forth as the third larva. This one does not eat, and soon changes into the ordinary pupa."

Third Larva of Sitaris Humeralis

The second larva stage lasts for 6 weeks. It contracts and passes through the winter. "In the spring…

The second larva stage lasts for 6 weeks. It contracts and passes through the winter. "In the spring it comes forth as the third larva. This one does not eat, and soon changes into the ordinary pupa."

Pupa of Sitaris Humeralis

The second larva stage lasts for 6 weeks. It contracts and passes through the winter. "In the spring…

"It has the power of making its natural torch shine or disappear at will. The luminous properties with which the females alone of these insects are endowed serve to reveal their presence to the opposite sex."

Male Lampyris Noctiluca

"It has the power of making its natural torch shine or disappear at will. The luminous properties with…

"It has the power of making its natural torch shine or disappear at will. The luminous properties with which the females alone of these insects are endowed serve to reveal their presence to the opposite sex."

Female Lampyris Noctiluca

"It has the power of making its natural torch shine or disappear at will. The luminous properties with…

"An insect very common in Havana, Brazil, Guiana and Mexico. It may be seen at night in great numbers amongst the foliage of trees. They sometimes are so numerous that they light up the forests for travelers in those countries where the heat prevents traveling by day."

Cucuyo (Pyrophorus Noctilucus)

"An insect very common in Havana, Brazil, Guiana and Mexico. It may be seen at night in great numbers…

"It is very rare in northern climates. It may be found on birch trees. In the hottest parts of the world they are very abundant; they are of large dimensions and adorned with sparkling colors."

Buprestis (Cyria) Imperialis

"It is very rare in northern climates. It may be found on birch trees. In the hottest parts of the world…

"All vegetables, the vine, fruit trees, the ash, pine, etc., are eaten by some weevil or other."

Hylesinus Piniperda

"All vegetables, the vine, fruit trees, the ash, pine, etc., are eaten by some weevil or other."

"Sometimes this larva destroys great forests of oak trees. In 1783, in the Forest of Hartz, 1,500,000 trees were destroyed by these insects."

Larva of Scolytus

"Sometimes this larva destroys great forests of oak trees. In 1783, in the Forest of Hartz, 1,500,000…

Beetles in the family Chrysomelidae are commonly known as leaf beetles.

Lina Populi

Beetles in the family Chrysomelidae are commonly known as leaf beetles.

The Phasmatodea (sometimes called Plasmodia) are an order of insects, whose members are variously known as stick insects (in Europe), walking sticks or stick-bugs (in the United States of America), phasmids, ghost insects and leaf insects (generally the family Phylliidae). The ordinal name is derived from the Greek "phasma" meaning an apparition or phantom, and refers to the resemblance of many species to sticks or leaves. Their natural camouflage can make them extremely difficult to spot. A few species (for example those in the genus Anisomorpha) are capable of secreting a substance from glands on the metathorax that can cause an intense burning irritation of the eyes (and in some cases temporary blindness) and mouth of potential predators on contact.

Stick Insect

The Phasmatodea (sometimes called Plasmodia) are an order of insects, whose members are variously known…

"a, Scales of Chionaspis pinifoliae upon pine-leaves, natural size; b, scale of male, enlarged; c, straight scale of female, enlarged; d, curved scale of female, enlarged." -Whitney, 1911

Pine Needle Scale

"a, Scales of Chionaspis pinifoliae upon pine-leaves, natural size; b, scale of male, enlarged; c, straight…

"Scale-insect. Oyster-shell bark-louse of the apple (Mytilaspis pomorum); male. a, ventral view with wings closed; b, dorsal view with wings expanded; c, scale (line shows natural size); d, leg; f, antennal joint." -Whitney, 1911

Scale Insect

"Scale-insect. Oyster-shell bark-louse of the apple (Mytilaspis pomorum); male. a, ventral view with…

"Carrion-beetle (Silpha inaequalis). a, larva; d, same; f, g, h, mandible, labium, and maxilla of larva; i, j, anal process and antenna of same; m, one of the lateral processes. b, pupa; e, same; l, anal process of same. c, beetle; k, anterior tarsus of same." -Whitney, 1911

Carrion Beetle

"Carrion-beetle (Silpha inaequalis). a, larva; d, same; f, g, h, mandible, labium, and maxilla of larva;…

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.

Edessa bifida is a species of stink bug in the Pentatomidae family of stink and shield bugs.

Stink Bug

Edessa bifida is a species of stink bug in the Pentatomidae family of stink and shield bugs.

Eurygaster alternatus is an insect species in the Pentatomidae family of stink bugs and shield bugs.

Stink Bug

Eurygaster alternatus is an insect species in the Pentatomidae family of stink bugs and shield bugs.

The Insidious Flower Bug is an insect in the Heteroptera suborder of true bugs.

Insidious Flower Bug

The Insidious Flower Bug is an insect in the Heteroptera suborder of true bugs.

Galgulus oculatus is a true bug species in the Gelastocoridae family of toad bugs.

Dorsal View of Toad Bug

Galgulus oculatus is a true bug species in the Gelastocoridae family of toad bugs.

A sequenced illustration of the cabbage butterfly undergoing metamorphosis. The butterfly starts out as a caterpillar (bottom), then forms pupa to develop wings to become a butterfly.

Three Stages of Cabbage Buterfly

A sequenced illustration of the cabbage butterfly undergoing metamorphosis. The butterfly starts out…

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…

Also known as Doryphora decemlineata. An enlarged view of the potato beetle.

Enlarged Potato Beetle

Also known as Doryphora decemlineata. An enlarged view of the potato beetle.

"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."&mdash;Nicholson, 1884

Larva of Potato Beetle

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

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…

Cockchafer, also known as may bugs, is the common name of melolontha vulgaris. These beetles are native to England.

Male and Female Cockchafer

Cockchafer, also known as may bugs, is the common name of melolontha vulgaris. These beetles are native…

Illustrated is the extreme condensation of the plant body of pelecyphora aselliformis. The spines resemble miniature sow bugs or aselli.

Pelecyphora Aselliformis

Illustrated is the extreme condensation of the plant body of pelecyphora aselliformis. The spines resemble…

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…

A genus of plant bugs, having the beak extending to the middle of the abdomen and the sides of the head angular.

Phytocoris

A genus of plant bugs, having the beak extending to the middle of the abdomen and the sides of the head…