The Nabis Fusca insect.

Damsel Bug

The Nabis Fusca insect.

Cicindela generosa insect.

Tiger Beetle

Cicindela generosa insect.

Cicindela Purpurea insect.

Tiger Beetle

Cicindela Purpurea insect.

Cicindela Sexguttata insect.

Tiger Beetle

Cicindela Sexguttata insect.

Lebia Grandis insect.

Flat Ground Beetle

Lebia Grandis insect.

Cicindela Repanda insect.

Tiger Beetle

Cicindela Repanda insect.

Brachinus Fumans insect.

Bombardier Beetle

Brachinus Fumans insect.

Cicindela Scrutator insect.

Tiger Beetle

Cicindela Scrutator insect.

Harpalus Caliginosus insect.

Murky Ground Beetle

Harpalus Caliginosus insect.

Coccinella insect.

Coccinella

Coccinella insect.

Atomaria Ephippiata insect.

Atomaria Ephippiata

Atomaria Ephippiata insect.

Corticaria Pumila insect.

Corticaria Pumila

Corticaria Pumila insect.

Byturus unicolor insect.

Raspberry Beetle

Byturus unicolor insect.

Ips fasciatus insect.

Bark Beetle

Ips fasciatus insect.

Trichogramma pretiosa, a parasite in insect eggs.

Trichogramma Wasp

Trichogramma pretiosa, a parasite in insect eggs.

The ancient Egyptians regarded the scarab as a symbol of immortality. 1. Stone scarab with wings, 2. The sacred beetle (<em>Scarabaeus sacer</em>), 3. Scarab from the British Museum, 4. Scarab seal from the tomb of Maket, 5, 6. Scarabs from monuments.

Egyptian scarabs

The ancient Egyptians regarded the scarab as a symbol of immortality. 1. Stone scarab with wings, 2.…

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,…

"A common dipterous insect, which feeds upon the blood of sheep and lambs."&mdash;Finley, 1917

Sheep Louse

"A common dipterous insect, which feeds upon the blood of sheep and lambs."—Finley, 1917

"The common species of Squilla is <em>squilla mantis</u>, so called for its supposed resemblance to the insect mantis."&mdash;Finley, 1917

Squilla

"The common species of Squilla is squilla mantis, so called for its supposed resemblance to the

"The largest European species of beetle an adult male sometimes reaching an length of over two inches, and having mandibles about one inch long, which bear some resemblence to the antlers of a stag."&mdash;Finley, 1917

Stag Beetle

"The largest European species of beetle an adult male sometimes reaching an length of over two inches,…

A magnified view of a small portion of the surface of an insect's compound eye which is composed of little eye-tubes.

Eye of an Insect

A magnified view of a small portion of the surface of an insect's compound eye which is composed of…

Diagrams of sarcostyles of insects' wing muscles.  A, relaxed; B, contracted.

Sarcostyles of Insect Wings

Diagrams of sarcostyles of insects' wing muscles. A, relaxed; B, contracted.

The sectional view of the elaborate nest of termites.

Termite's Nest

The sectional view of the elaborate nest of termites.

Grasshopper: an insect which uses its large hind legs to jump high.

Grasshopper

Grasshopper: an insect which uses its large hind legs to jump high.

Parts of a fly are labeled

Parts of a Fly

Parts of a fly are labeled

A red or sometimes yellow beetle with black spots.

Ladybug

A red or sometimes yellow beetle with black spots.

An image of a potato bug, its young and eggs. The insect is native to the Rocky Mountains and thrived when the West cultivated potatoes.

Potato Bug

An image of a potato bug, its young and eggs. The insect is native to the Rocky Mountains and thrived…

The eggs and larvae of the mosquito.

Mosquito Eggs and Larvae

The eggs and larvae of the mosquito.

The full-grown larva of the harmful mosquito.

Mosquito Larva

The full-grown larva of the harmful mosquito.

Adult harmless mosquito.

Mosquito

Adult harmless mosquito.

Adult harmful mosquito

Mosquito

Adult harmful mosquito

Eye of the yellow beetle magnified, composed of 8,820 hexagonal cylinders, the interior of each tube being round.

Eye of the Yellow Beetle

Eye of the yellow beetle magnified, composed of 8,820 hexagonal cylinders, the interior of each tube…

Eye of the phalaena or butterfly, magnified, consisting of 11,300 square sections. The eye of the mordella is similar, containing 25,088 prisms.

Eye of the Butterfly

Eye of the phalaena or butterfly, magnified, consisting of 11,300 square sections. The eye of the mordella…

"A, the head; B, C, D, segments of the thorax; E, abdomen; F, ovipositor." -Cooper, 1887

Parts of an Insect

"A, the head; B, C, D, segments of the thorax; E, abdomen; F, ovipositor." -Cooper, 1887

The adult beetle.

Adult Beetle

The adult beetle.

The larva of a beetle.

Beetle Larva

The larva of a beetle.

The pupa of a beetle.

Beetle Pupa

The pupa of a beetle.

Damage done on seed pods by a false bud worm.

False Bud Worm Damage

Damage done on seed pods by a false bud worm.

"The 'leaf bug' (Dicyphus minimus): a, newly hatched; b, second stage; c, nymph; d, adult; e, head and beak from side--enlarged (original)." -Department of Agriculture, 1899

Leaf Bug

"The 'leaf bug' (Dicyphus minimus): a, newly hatched; b, second stage; c, nymph; d, adult; e, head and…

The stink bug, or Euschistus variolarius, at the nymph stage.

Nymph Stink Bug

The stink bug, or Euschistus variolarius, at the nymph stage.

The stink bug, or Euschistus variolarius, at the adult stage.

Adult Stink Bug

The stink bug, or Euschistus variolarius, at the adult stage.

A leaf damaged by the tobacco split worm.

Split Worm Damage

A leaf damaged by the tobacco split worm.

"Macrobasis unicolor: female beetle at right; male antenna at left." -Department of Agriculture, 1899

Blister Beetle

"Macrobasis unicolor: female beetle at right; male antenna at left." -Department of Agriculture, 1899

Female Nuttall's Blister Beetle, Cantharis nuttalli.

Blister Beetle

Female Nuttall's Blister Beetle, Cantharis nuttalli.

The brachypterous female of the Halticus uhleri, or plant-bug.

Female Plant Bug

The brachypterous female of the Halticus uhleri, or plant-bug.

The winged female of the Halticus uhleri, or plant-bug.

Winged Female Plant Bug

The winged female of the Halticus uhleri, or plant-bug.

The male of the Halticus uhleri, or plant-bug.

Male Plant Bug

The male of the Halticus uhleri, or plant-bug.

The interior of an ant nest, or formicary. The pupae are in the lower chamber, then the mature larvae,and the top holds young larvae and eggs.

Ant Nest

The interior of an ant nest, or formicary. The pupae are in the lower chamber, then the mature larvae,and…

The stages of a butterfly: the caterpillar, the pupa, and the adult butterfly.

Butterfly

The stages of a butterfly: the caterpillar, the pupa, and the adult butterfly.

The tsetse fly or Glossina palpalis.

Tsetse Fly

The tsetse fly or Glossina palpalis.

A millipede.

Millipede

A millipede.

A centipede.

Centipede

A centipede.

A female cockroach, Periplaneta orientalis.

Female Cockroach

A female cockroach, Periplaneta orientalis.

A male cockroach, Periplaneta orientalis.

Male Cockroach

A male cockroach, Periplaneta orientalis.

"Transverse section of insect. h., Heart; g., gut; n., nerve-cord; st., stigma; tr., trachea; w., wing; f., femur of leg." -Thomson, 1916

Insect Section

"Transverse section of insect. h., Heart; g., gut; n., nerve-cord; st., stigma; tr., trachea; w., wing;…

"Head and mouth parts of bee. a., Antenna; m., mandible; g., labrum or epipharynx; mx.p., rudiment of maxillary palp; mx., lamina of maxilla; lp., labial palp; l., ligula; b., bouton at end. The paraglossae lie concealed between the basal portions of the labial palps and the ligula." -Thomson, 1916

Bee Head

"Head and mouth parts of bee. a., Antenna; m., mandible; g., labrum or epipharynx; mx.p., rudiment of…

"Nervous system of bee. A, of larva. B, of adult. a., Antenna; mx., maxilla; m., mandible; w., origin of wing; 1-5, abdominal ganglia." -Thomson, 1916

Bee Nervous System

"Nervous system of bee. A, of larva. B, of adult. a., Antenna; mx., maxilla; m., mandible; w., origin…

"Young may-fly or ephemerid. Showing tracheal gills, and wings appearing in front of them." -Thomson, 1916

Mayfly

"Young may-fly or ephemerid. Showing tracheal gills, and wings appearing in front of them." -Thomson,…

"A transverse section before the union of the amnion folds, and a longitudinal median section after the union of the fold. a., Anterior end of blastoderm; p.,. posterior end of blastoderm; a.f., in the left-hand figure, the beginning of the amnion fold; am., amnion; a.c., amniotic cavity; s., serosa; ec., ectoderm; ll., lower germinal layer; y., yolk. The amniotic cavity marks the future ventral region of the embryo, so that the yolk mass is dorsal." -Thomson, 1916

Insect Embryo

"A transverse section before the union of the amnion folds, and a longitudinal median section after…

A mosquito.

Mosquito

A mosquito.