The American Sawfly (Cimbex Americana) is an insect with an ovipositor resembling a saw blade.

American Sawfly

The American Sawfly (Cimbex Americana) is an insect with an ovipositor resembling a saw blade.

The Larch Sawfly (Pristiphora erichsonii) is an insect resembling a black wasp in the Tenthredinidae family of sawflies.

Larch Sawfly

The Larch Sawfly (Pristiphora erichsonii) is an insect resembling a black wasp in the Tenthredinidae…

A rose eating fly.

Rose Sawfly

A rose eating fly.

"Barnacle-scale, a coccine scale-insect, Ceroplastes cirripediformis, which occurs upon citrus-trees in Florida and somewhat resembles a very small barnacle, whence the popular and the specific names." -Whitney, 1911

Barnacle Scale

"Barnacle-scale, a coccine scale-insect, Ceroplastes cirripediformis, which occurs upon citrus-trees…

A drawing of the newly hatched larva, viewed from beneath, with enlargements of anal extremity viewed from above.

Black Scale

A drawing of the newly hatched larva, viewed from beneath, with enlargements of anal extremity viewed…

Scelio is a genus of parasitic insects of the Proctotrypidae family. "Scelio famelicus. a, female; b, her antenna." -Whitney, 1911

Scelio

Scelio is a genus of parasitic insects of the Proctotrypidae family. "Scelio famelicus. a, female; b,…

16. Andrena cineraria, 17. Helix virgata, 18. Pod-lover moth, 19. Anurida maritima, 20. Machillis maritima, 21. Sea-slater, 22. Shore wainscot moth, 23. Ground lackey moth.

Types of Seashore Life

16. Andrena cineraria, 17. Helix virgata, 18. Pod-lover moth, 19. Anurida maritima, 20. Machillis maritima,…

The silverfish (Lepisma saccharina) is a small insect of the Lepismatidae family of silverfish and firebrats. It gets its name from the silver scales it develops after its third moult.

Silverfish

The silverfish (Lepisma saccharina) is a small insect of the Lepismatidae family of silverfish and firebrats.…

"A terrestrial crustacean abundant everywhere under logs and stones during most of the year." —Davison, 1906

Sow Bug

"A terrestrial crustacean abundant everywhere under logs and stones during most of the year." —Davison,…

"Stegomyia, the carrier of yellow fever germs." — Davison, 1906

Stegomyia

"Stegomyia, the carrier of yellow fever germs." — Davison, 1906

The common European swallow, which averages approximately six inches in length. This migratory bird divides its time between Europe, Asia, and Africa.

Common European Swallow

The common European swallow, which averages approximately six inches in length. This migratory bird…

The termite, here showing the winged phase of its life and a termite mound.

Termite

The termite, here showing the winged phase of its life and a termite mound.

"The Buffalo Tree-Hopper and its work: a, Adult; b, Fresh egg slits; c, Eggs in slits, natural size; d, Eggs enlarged; e, Scars produced by egg slits."—The Federal Digest, 1921

Buffalo Tree-Hopper

"The Buffalo Tree-Hopper and its work: a, Adult; b, Fresh egg slits; c, Eggs in slits, natural size;…

A species of dung beetle found in America.

Tumblebugs

A species of dung beetle found in America.

"Semiotellus chalcidiphagus. a, female, from side." -Whitney, 1911

Wasp

"Semiotellus chalcidiphagus. a, female, from side." -Whitney, 1911

"Semiotellus chalcidiphagus. a, male, from above." -Whitney, 1911

Wasp

"Semiotellus chalcidiphagus. a, male, from above." -Whitney, 1911

The European Hornet (Vespa crabro) and the wasp (Vespa vulgaris).

Wasp and Hornet

The European Hornet (Vespa crabro) and the wasp (Vespa vulgaris).

The cocoon of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects as hosts until they are eventually killed.

Parasite Wasp Cocoon

The cocoon of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects…

The larva of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects as hosts until they are eventually killed.

Parasite Wasp Larva

The larva of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects as…

The pupa of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects as hosts until they are eventually killed.

Parasite Wasp Pupa

The pupa of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects as…

The female adult of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects as hosts until they are eventually killed.

Female Adult Parasite Wasp

The female adult of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects…

The male adult of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects as hosts until they are eventually killed.

Male Adult Parasite Wasp

The male adult of Sigalphus curculionis, a species of parasitoid wasps. These insects use other insects…

Elachertus cacoeciae is a species of Chalcid wasp of the Hymenoptera order.

Chalcid Wasp

Elachertus cacoeciae is a species of Chalcid wasp of the Hymenoptera order.

The dorsal view of the Ensign Wasp (Evania laevigata), an insect in the Evaniidae family.

Dorsal View of Ensign Wasp

The dorsal view of the Ensign Wasp (Evania laevigata), an insect in the Evaniidae family.

The Ichneumon wasp is a parasitoids, where the larvae feed on another insect until it dies.

Ichneumon Wasp

The Ichneumon wasp is a parasitoids, where the larvae feed on another insect until it dies.

Elis quadrinotata is a species of wasp in the Scoliidae family.

Scoliid Wasp

Elis quadrinotata is a species of wasp in the Scoliidae family.

The Fall Webworm and its stages of life, including the caterpillar, pupae, and moth.

Fall Webworm

The Fall Webworm and its stages of life, including the caterpillar, pupae, and moth.

A weevil whose diet consists mostly of nuts.

Nut Weevil

A weevil whose diet consists mostly of nuts.

A weevil whose diet consists mostly of nuts.

Nut Weevil

A weevil whose diet consists mostly of nuts.

"The pea weevil is often found in peas in its larval state during summer and autumn, as a pupa in winter, and in the adult form in late spring, when it comes forth to lay its eggs on the pods of the growing peas. Larva." — Davison, 1906

Pea Weevil

"The pea weevil is often found in peas in its larval state during summer and autumn, as a pupa in winter,…

A small beetle of a dark brown color spotted with black, yellow, and white.

Plum Weevil

A small beetle of a dark brown color spotted with black, yellow, and white.

A small beetle of a dark brown color spotted with black, yellow, and white.

Plum Weevil

A small beetle of a dark brown color spotted with black, yellow, and white.

A beetle with an extremely long snout.

Potato Stalk Weevil

A beetle with an extremely long snout.

"Root-weevil (Leptops hopei). a, weevil; b, pupa; c, larva, in situ; d, weevil ovipositing on leaf above; e, eggs on opened leaf." -Whitney, 1911

Apple Root Weevil

"Root-weevil (Leptops hopei). a, weevil; b, pupa; c, larva, in situ; d, weevil ovipositing on leaf above;…

A wheel is a circular device that is capable of rotating on its axis, facilitating movement or transportation whilst supporting a load or performing labor in machines. Common examples are found in transport applications.

12 Spoke Vehicle Wheel

A wheel is a circular device that is capable of rotating on its axis, facilitating movement or transportation…

A whippoorwill chasing a winged insect. This bird derives its namesake from its distinctive call.

Whippoorwill

A whippoorwill chasing a winged insect. This bird derives its namesake from its distinctive call.

The larvae of a clover hay worm.

Clover Hay Worm

The larvae of a clover hay worm.

The larvae of a clover hay worm.

Clover Hay Worm

The larvae of a clover hay worm.

The cocoon of a clover hay worm.

Clover Hay Worm

The cocoon of a clover hay worm.

The chrysalis of a clover hay worm.

Clover Hay Worm

The chrysalis of a clover hay worm.

"The caterpillar of which, commonly known as the tobacco-worm in the Middle States, is very destructive to the leaf of the tobacco-plant, when the worm is young, by eating holes in the leaves, thus spoiling them for use as wrappers for cigars, and when old by devouring the whole of the leaf itself." -Watts, 1874

Tobacco worm

"The caterpillar of which, commonly known as the tobacco-worm in the Middle States, is very destructive…