Cremastogaster lineolata, large worker.

Crematogaster Ant

Cremastogaster lineolata, large worker.

Cremastogaster lineolata, large worker.

Crematogaster Ant

Cremastogaster lineolata, large worker.

Cremastogaster lineolata, head of large worker.

Crematogaster Ant

Cremastogaster lineolata, head of large worker.

Cremastogaster lineolata, female.

Crematogaster Ant

Cremastogaster lineolata, female.

Cremastogaster lineolata, female's wing.

Crematogaster Ant

Cremastogaster lineolata, female's wing.

Cremastogaster lineolata, small worker.

Crematogaster Ant

Cremastogaster lineolata, small worker.

A Myrmeleo adult fly, of the family Myrmeleonidae.

Antlion

A Myrmeleo adult fly, of the family Myrmeleonidae.

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

Apanteles

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

Apanteles species. Single cocoon from which adult has issued.

Apanteles

Apanteles species. Single cocoon from which adult has issued.

Apanteles species, adult.

Apanteles

Apanteles species, adult.

Aphelinus mytilaspidis, parasite on scale insects.

Aphelinus

Aphelinus mytilaspidis, parasite on scale insects.

Literally means 'Lord of the Flies.' In Christian and Biblical texts, he is associated with a demon.

Image of Beelzebub, the Fly God

Literally means 'Lord of the Flies.' In Christian and Biblical texts, he is associated with a demon.

Chrysis species.

Chrysis

Chrysis species.

The common European Cleg is a large, black/blue-black blood-sucking 'horsefly' of the family Tabanidae. It is commonly referred to as a Gadfly in the United States. They are powerful flyers, and the females are furnished with a lancet-like proboscis which can pierce the thickest skin.

Common European Cleg (Gadfly)

The common European Cleg is a large, black/blue-black blood-sucking 'horsefly' of the family Tabanidae.…

Phylloecus flaviventris, female adult.

Currant Stem Girdler

Phylloecus flaviventris, female adult.

Phylloecus flaviventris, male abdomen.

Currant Stem Girdler

Phylloecus flaviventris, male abdomen.

Phylloecus flaviventris, female abdomen.

Currant Stem Girdler

Phylloecus flaviventris, female abdomen.

Phylloecus flaviventris, spur of anterior tibia.

Currant Stem Girdler

Phylloecus flaviventris, spur of anterior tibia.

Gall made by the larva of Cynips q. spongifica. a, larve in its cell; b, point of exit of adult.

Cynips Spongifica

Gall made by the larva of Cynips q. spongifica. a, larve in its cell; b, point of exit of adult.

A man riding on the back of a donkey, being bothered by flies.

Donkey Ride

A man riding on the back of a donkey, being bothered by flies.

the flea has a curios apparatus for sucking blood, which is very beautiful as examined with a microscope (Hooker, 1882).

Flea

the flea has a curios apparatus for sucking blood, which is very beautiful as examined with a microscope…

Fleas are parasites. That is any plant or animal which feeds upon another living plant or animal without destroying it.

Flea

Fleas are parasites. That is any plant or animal which feeds upon another living plant or animal without…

Fleas are parasites. That is any plant or animal which feeds upon another living plant or animal without destroying it.

Flea

Fleas are parasites. That is any plant or animal which feeds upon another living plant or animal without…

"Why no one should spit on floors or sidewalks and why flies should be kept away from food." —Davison, 1910

Flies outside window

"Why no one should spit on floors or sidewalks and why flies should be kept away from food." —Davison,…

The fly has one pair of wings and sucking mouth parts.

Fly

The fly has one pair of wings and sucking mouth parts.

"In these the head is generally of considerable size, and is furnished with a pair of large, compressed eyes, which occupy nearly its whole surface. The legs are well-developed, the tarsi composed of five joints, terminated by a pair of claws; the abdominal rings are distinct." — Goodrich, 1859

Flies

"In these the head is generally of considerable size, and is furnished with a pair of large, compressed…

A group of insects belonging to the order Hymenoptera, and distinguished by the peculiar confirmation of the ovipositor of the females, which is composed of two broad plates, with serrated or toothed edges.

Saw Fly Hovering Above a Plant

A group of insects belonging to the order Hymenoptera, and distinguished by the peculiar confirmation…

"Blow Fly is the name popularly given to such two winged flies as deposit eggs in the flesh of animals, thus making tumors arise. Several species of musca do this, so do breeze flies, etc."—(Charles Leonard-Stuart, 1911)

Blow Fly

"Blow Fly is the name popularly given to such two winged flies as deposit eggs in the flesh of animals,…

A caddice-fly larva.

Caddice Fly

A caddice-fly larva.

An adult caddice-fly

Caddice Fly

An adult caddice-fly

An oak gall-fly.

Gall Fly

An oak gall-fly.

This insect derives its common name from the fact that it seems to prefer clustering in great numbers at the base of the horns of cattle, although it is really just as abundant on the flanks, pon the udder, and in other places where it cannot be readily reached by the animals.

Horn Fly

This insect derives its common name from the fact that it seems to prefer clustering in great numbers…

Common Cleg. Bloodsucking flies that are very troublesome to horses and cattle, even man.

Horsefly

Common Cleg. Bloodsucking flies that are very troublesome to horses and cattle, even man.

A species common to the United States and often found to be benificial in agriculture.

Lacewing Fly

A species common to the United States and often found to be benificial in agriculture.

The eggs of the laced wing-fly

Lacewing Fly

The eggs of the laced wing-fly

The larva of the laced wing-fly.

Lacewing Fly

The larva of the laced wing-fly.

The larva of the laced wing-fly, feeding on a pear-psylla.

Lacewing Fly

The larva of the laced wing-fly, feeding on a pear-psylla.

Cocoon of the laced wing-fly.

Lacewing Fly

Cocoon of the laced wing-fly.

The adult laced wing-fly.

Lacewing Fly

The adult laced wing-fly.

Head of the adult laced wing-fly.

Lacewing Fly

Head of the adult laced wing-fly.

The larva of a stone-fly.

Stone Fly

The larva of a stone-fly.

The stone-fly

Stone Fly

The stone-fly

A small blue fly, slender and somewhat flattened in appearance, with yellow or reddish legs.

Window Fly

A small blue fly, slender and somewhat flattened in appearance, with yellow or reddish legs.

"See here's a man who is quite generous found, / His sunshine friends are gathered thick around, / From many parts they come, both far and near, / He fully feasts with them all with much good cheer; / To all who call, he makes himself their friend, / With feelings kind, he doth his money lend: / They eat him up - when some help he's wishing, / His numerous friends are fond among the missing."—Barber, 1857

He Makes Himself Sugar, the Flies Eat Him Up

"See here's a man who is quite generous found, / His sunshine friends are gathered thick around, / From…

The insects of the Ichneumon family have long,slender bodies, long ovipositors and long antennae.

Ichneumon

The insects of the Ichneumon family have long,slender bodies, long ovipositors and long antennae.

The insects of the Ichneumon family have long,slender bodies, long ovipositors and long antennae.

Ichneumon

The insects of the Ichneumon family have long,slender bodies, long ovipositors and long antennae.

Long-tailed ichneumon, Thalessa lunator, larva.

Ichneumon

Long-tailed ichneumon, Thalessa lunator, larva.

Long-tailed ichneumon, Thalessa lunator, head of larva.

Ichneumon

Long-tailed ichneumon, Thalessa lunator, head of larva.

Long-tailed ichneumon, Thalessa lunator, pupa.

Ichneumon

Long-tailed ichneumon, Thalessa lunator, pupa.

Long-tailed ichneumon, Thalessa lunator, tip of pupal ovipositor.

Ichneumon

Long-tailed ichneumon, Thalessa lunator, tip of pupal ovipositor.

Long-tailed ichneumon, Thalessa lunator, female adult.

Ichneumon

Long-tailed ichneumon, Thalessa lunator, female adult.

Long-tailed ichneumon, Thalessa lunator, tip of abdomen seen from the side.

Ichneumon

Long-tailed ichneumon, Thalessa lunator, tip of abdomen seen from the side.

Long-tailed ichneumon, Thalessa lunator, male adult.

Ichneumon

Long-tailed ichneumon, Thalessa lunator, male adult.

Long-tailed ichneumon, Thalessa lunator, tip of abdomen.

Ichneumon

Long-tailed ichneumon, Thalessa lunator, tip of abdomen.

Pimpla Conquisitor, pupa.

Ichneumon

Pimpla Conquisitor, pupa.

Pimpla Conquisitor, structural detail.

Ichneumon

Pimpla Conquisitor, structural detail.

Pimpla Conquisitor, structural detail.

Ichneumon

Pimpla Conquisitor, structural detail.

Pimpla Conquisitor, adult.

Ichneumon

Pimpla Conquisitor, adult.

Pimpla Conquisitor, structural detail.

Ichneumon

Pimpla Conquisitor, structural detail.

Pimpla Conquisitor, structural detail.

Ichneumon

Pimpla Conquisitor, structural detail.