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"The eggs are white and conical. They adhere to the horse's hair."

Eggs of Gadfly, Estrus (Gasterophilus) Equi

"The eggs are white and conical. They adhere to the horse's hair."

Larvae of Estrus (Gasterophilus) Equi. Representation of "the state of a horse's stomach attacked by the gadfly larvae."

Gadfly Larvae in a Portion of the Stomach of the Horse

Larvae of Estrus (Gasterophilus) Equi. Representation of "the state of a horse's stomach attacked by…

Representation of the fly leaving the cocoon.

Imago of Bot-fly Emerging

Representation of the fly leaving the cocoon.

"The instrument with which the female is supplied for piercing the thick skin of the ox."

Ovipositor of the Bot-Fly (Estrus Bovis)

"The instrument with which the female is supplied for piercing the thick skin of the ox."

Conops "are to be found on flowers, of which they suck the honeyed juice."

Conops

Conops "are to be found on flowers, of which they suck the honeyed juice."

"They derive nourishment from flowers, deposit their eggs on caterpillars, and the young larvae on hatching penetrate their bodies, and feed on them."

Echinomyia Grossa

"They derive nourishment from flowers, deposit their eggs on caterpillars, and the young larvae on hatching…

"A specimen of the golden fly; it is rather more than one third of an inch in length."

Lucilia Hominivorax

"A specimen of the golden fly; it is rather more than one third of an inch in length."

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders the countries of Central Africa uninhabitable for those animals."

The Tsetse-Fly (Glossina Morsitans)

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders…

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders the countries of Central Africa uninhabitable for those animals."

Head of Tsetse-Fly (Glossina Morsitans)

"It is not dangerous to man, but its sting kills the ox, the horse, the sheep and the dog, and renders…

"By catching one of these flies, and pressing the thorax between the finger and thumb, it is forced to put out its tongue."

Blue-Bottle Fly (Calliphora Vomitoria)

"By catching one of these flies, and pressing the thorax between the finger and thumb, it is forced…

"The trunk appears to be composed of two parts, joined, and forming a more or less obtuse angle."

Trunk of the Meat-Fly

"The trunk appears to be composed of two parts, joined, and forming a more or less obtuse angle."

"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."

"In order that the may pierce the skin, the fly is provided with a very small lancet, which has a very fine point, and is of light color."

Lancet of the Meat-Fly

"In order that the may pierce the skin, the fly is provided with a very small lancet, which has a very…

"Ashy color, with the face black, the sides of the head yellow, and the forehead yellow with black stripes."

House-Fly (Musca Domestica)

"Ashy color, with the face black, the sides of the head yellow, and the forehead yellow with black stripes."

"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."

"The larvae of these insects commit depredations for which gourmands will never forgive them, destroying, as they do, their mushroom."

A Species of Helomyza

"The larvae of these insects commit depredations for which gourmands will never forgive them, destroying,…

"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."

"They pass fifteen or sixteen days in boring a gallery in the pulp of the olive, at first vertically, untiil they reach the stone, then on one side, and along the side of the stone."

Larvae of Dacus Oleae

"They pass fifteen or sixteen days in boring a gallery in the pulp of the olive, at first vertically,…

"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."

"A species of bug which usually ilves upon cabbages. In autumn they may be found upon raspberries, to which they impart their disagreeable smell."

Gray Pentatoma (Raphigaster Griseus)

"A species of bug which usually ilves upon cabbages. In autumn they may be found upon raspberries, to…

"It abounds in dirty houses, principally in towns, and in warm countries. It lives in beds, in woodwork, and paper-hangings."

Bedbug (Acanthia Lectularia)

"It abounds in dirty houses, principally in towns, and in warm countries. It lives in beds, in woodwork,…

"Toward the month of May, these disgusting insects lay oblong, whitish eggs."

Egg of Bug

"Toward the month of May, these disgusting insects lay oblong, whitish eggs."

"By means of its disguise, it can approach little animals which become its prey, such as flies, spiders and small bugs."

Pupa of Reduvious Personatus, Covered with its Cloak of Dust

"By means of its disguise, it can approach little animals which become its prey, such as flies, spiders…

"By means of its disguise, it can approach little animals which become its prey, such as flies, spiders and small bugs."

Pupa of Reduvious Personatus, Denuded of its Cloak of Dust

"By means of its disguise, it can approach little animals which become its prey, such as flies, spiders…

"One of the two principal types [of water bugs] is called the Oval-bodied Water-scorpion, or Water-spider."

Nepa Cinerea

"One of the two principal types [of water bugs] is called the Oval-bodied Water-scorpion, or Water-spider."

"It breathes, like some other insects, through its tail. It walks badly and slowly on land, but swims and cuts through the water with a prodigious rapidity."

Corixa Striata

"It breathes, like some other insects, through its tail. It walks badly and slowly on land, but swims…

"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…

"It produces a deafening and monotonous song. The Greeks, however, seem to have had quite a peculiar taste for this song."

Male Cicada

"It produces a deafening and monotonous song. The Greeks, however, seem to have had quite a peculiar…

"This is a membrane in the shape of a kettledrum, not smooth, but, on the contrary, crumpled and full or wrinkles."

Musical Apparatus of the Male Cicada

"This is a membrane in the shape of a kettledrum, not smooth, but, on the contrary, crumpled and full…

"Female Cicada Laying her Eggs in the Groove She has Bored in the Branch of a Tree. While the female does not sing, she is given an organ which is of more practical value. This is a sort of an auger, destined to penetrate the back of the branches of trees."

Female Cicada Laying her Eggs

"Female Cicada Laying her Eggs in the Groove She has Bored in the Branch of a Tree. While the female…

"From the eggs deposited come small, white grubs, which leave their nest in the wood to bury themselves in the ground."

Larva of the Cicada

"From the eggs deposited come small, white grubs, which leave their nest in the wood to bury themselves…

"At the end of spring they have developed into pupae. The come out of the earth, and hook themselves n the trunks of trees, and strip themselves of their skin, which remains whole and dry."

Pupa of the Cicada

"At the end of spring they have developed into pupae. The come out of the earth, and hook themselves…

"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…

This larva is really a six-legged grub.

Larva of the Aphrophora (Aphrophora Spumaria)

This larva is really a six-legged grub.

"The males make prodigious bounds, sometimes throwing themselves a distance of more than two yards."

The Froghopper (Aphrophora Spumatra)

"The males make prodigious bounds, sometimes throwing themselves a distance of more than two yards."

"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,"…

"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."

Ants are very fond of a sugary liquid that Plant lice secrete. They will milk the bugs of this liquid.

Ant and Plant Lice

Ants are very fond of a sugary liquid that Plant lice secrete. They will milk the bugs of this liquid.

Gathering Cochineal in Algeria

Gathering Cochineal in Algeria

Gathering Cochineal in Algeria

"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…

"The larvae are changed into perfect insects, which take up their abode permanently on the branches of the cacti."

Cochineal Insects on the Branches of the Cactus

"The larvae are changed into perfect insects, which take up their abode permanently on the branches…

Representation of the scaly legs of the Gipsy moth.

Scaly Legs of the Caterpillar of the Gipsy Moth (Liparis Dispar)

Representation of the scaly legs of the Gipsy moth.

Membranous and fleshy legs.

Membranous Legs of Silkworm (Bombyx Mori)

Membranous and fleshy legs.

Representation of "the two membranous legs of a large caterpillar, of which the hooks of the feet are fastened into the branch of a shrub."

Membranous Legs of a Large Caterpillar Embracing a Twig

Representation of "the two membranous legs of a large caterpillar, of which the hooks of the feet are…

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet at full length, determines to walk, in order to take its first step it begins by humping its back, curving into an arch that part which has no legs, and finishes by [lying flat]"

Looper Caterpillar

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet…

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet at full length, determines to walk, in order to take its first step it begins by humping its back, curving into an arch that part which has no legs, and finishes by [lying flat]"

Looper Caterpillar Curved into an Arch

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet…

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet at full length, determines to walk, in order to take its first step it begins by humping its back, curving into an arch that part which has no legs, and finishes by [lying at full length]"

Looper Caterpillar at Full Length

"Represents the Looper caterpillar, with four membranous legs. If one of these caterpillars, lying quiet…

"Their attitudes deceive even the close observer; they embrace the stem of the leaf or twig with their hinder or intermediate legs, whilst the rest of their body, vertically elevated, remans stiff and immovable for hours together."

Caterpillar of the Canary-Shouldered Thorn

"Their attitudes deceive even the close observer; they embrace the stem of the leaf or twig with their…

"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…

"They select some convenient spot, where they hang themselves up, head downward."

Caterpillars of the Small Tortoise-shell Butterfly (Vanessa Urticae) Undergoing Their Metamorphoses

"They select some convenient spot, where they hang themselves up, head downward."

"To set itself entirely free, the chrysalis alternately lengthens and shortens itself. The old skin gradually pushed upward, until it is considerably shortened."

Chrysalides of the Small Tortoise-shell Butterfly Freeing Themselves from the Caterpillar Skin

"To set itself entirely free, the chrysalis alternately lengthens and shortens itself. The old skin…

"Magnified, represents the chrysalis arrived a its final state, and suspended to a branch of a tree by the network of silk."

Chrysalis Divested of the Larva Skin

"Magnified, represents the chrysalis arrived a its final state, and suspended to a branch of a tree…

"Shows how the head advances over half the circumference of the circle which it has to describe, and secures the end of the thread against the support."

Caterpillars of the Cabbage-Butterfly

"Shows how the head advances over half the circumference of the circle which it has to describe, and…

The caterpillar is suspended by a band it weaves itself.

Caterpillars of the Pieris Brassicae

The caterpillar is suspended by a band it weaves itself.

"Shows the chrysalis in two different positions, and held by the same band which first supported the caterpillar."

Pupae of Pieris Brassicae

"Shows the chrysalis in two different positions, and held by the same band which first supported the…