"Peach tree borer, pupae." —Davison, 1906

Peach Tree Borer

"Peach tree borer, pupae." —Davison, 1906

"Peach tree borer, pupae." —Davison, 1906

Peach Tree Borer

"Peach tree borer, pupae." —Davison, 1906

"Peach tree borer, larva." —Davison, 1906

Peach Tree Borer

"Peach tree borer, larva." —Davison, 1906

"Peach tree borer, chip cocoon with extruded pupa skin." —Davison, 1906

Peach Tree Borer

"Peach tree borer, chip cocoon with extruded pupa skin." —Davison, 1906

"Grape-vine Phylloxera, young." —Davison, 1906

Phylloxera

"Grape-vine Phylloxera, young." —Davison, 1906

"Male San Jose scale insect." —Davison, 1906

Scale Insect

"Male San Jose scale insect." —Davison, 1906

"Asiatic ladybird imported to devour the San Jose scale; larva." —Davison, 1906

Asiatic Ladybird

"Asiatic ladybird imported to devour the San Jose scale; larva." —Davison, 1906

"Asiatic ladybird imported to devour the San Jose scale; adult." —Davison, 1906

Asiatic Ladybird

"Asiatic ladybird imported to devour the San Jose scale; adult." —Davison, 1906

"Pea weevil; adult. The pea weevil (Bruchus) 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. To find the weevil in the fall, soak peas in water for a day." —Davison, 1906

Pea Weevil

"Pea weevil; adult. The pea weevil (Bruchus) is often found in peas in its larval state during summer…

"Pea weevil; pupa. The pea weevil (Bruchus) 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. To find the weevil in the fall, soak peas in water for a day." —Davison, 1906

Pea Weevil

"Pea weevil; pupa. The pea weevil (Bruchus) is often found in peas in its larval state during summer…

"The strawberry weevil in certain seasons has prevented the development of more than a half crop of berries in New Jersey, Delaware, Maryland, the Carolinas, and Virginia. The eggs are deposited in the flower buds, upon which the grublike larva feed and attain full size in about a month." —Davison, 1906

Strawberry Weevil

"The strawberry weevil in certain seasons has prevented the development of more than a half crop of…

"Galleries of the spruce-destroying beetle beneath the bark of a spruce tree." —Davison, 1906

Spruce Beetle

"Galleries of the spruce-destroying beetle beneath the bark of a spruce tree." —Davison, 1906

"Pine-bark beetle whose work has made pine lumber expensive; adult." —Davison, 1906

Pine Beetle

"Pine-bark beetle whose work has made pine lumber expensive; adult." —Davison, 1906

"Pine-bark beetle whose work has made pine lumber expensive; pupa." —Davison, 1906

Pine Beetle

"Pine-bark beetle whose work has made pine lumber expensive; pupa." —Davison, 1906

"Pine-bark beetle whose work has made pine lumber expensive; larva." —Davison, 1906

Pine Beetle

"Pine-bark beetle whose work has made pine lumber expensive; larva." —Davison, 1906

"Beetle of the locust borer." —Davison, 1906

Locust Borer

"Beetle of the locust borer." —Davison, 1906

"Firefly or Lightning bug; adult." —Davison, 1906

Firefly

"Firefly or Lightning bug; adult." —Davison, 1906

"Buffalo moth or carpet beetle; larva." —Davison, 1906

Buffalo Moth

"Buffalo moth or carpet beetle; larva." —Davison, 1906

"Buffalo moth or carpet beetle; pupa within larva skin." —Davison, 1906

Buffalo Moth

"Buffalo moth or carpet beetle; pupa within larva skin." —Davison, 1906

"Buffalo moth or carpet beetle; adult." —Davison, 1906

Buffalo Moth

"Buffalo moth or carpet beetle; adult." —Davison, 1906

"Ladybird beetle; larva." —Davison, 1906

Ladybird

"Ladybird beetle; larva." —Davison, 1906

"Ladybird beetle; pupa." —Davison, 1906

Ladybird

"Ladybird beetle; pupa." —Davison, 1906

"Ladybird beetle; adult." —Davison, 1906

Ladybird

"Ladybird beetle; adult." —Davison, 1906

"A parasite sometimes present in the human hair follicles." —Davison, 1906

Demodex Folliculorum

"A parasite sometimes present in the human hair follicles." —Davison, 1906

"Scutigera forceps, a harmless centiped." —Davison, 1906

Scutigera Forceps

"Scutigera forceps, a harmless centiped." —Davison, 1906

"The water fleas just visible to the naked eye are present in nearly all waters and become very abundant in stagnant water." —Davison, 1906

Daphnia

"The water fleas just visible to the naked eye are present in nearly all waters and become very abundant…

"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,…

"Pearly nautilus with half the shell removed." —Davison, 1906

Pearly Nautilus

"Pearly nautilus with half the shell removed." —Davison, 1906

"A hydroid colony of six polyps; f, feeding polyp; r, reproductive polyp; m, a medusa." —Davison, 1906

Polyp

"A hydroid colony of six polyps; f, feeding polyp; r, reproductive polyp; m, a medusa." —Davison,…

"Development of young jellyfish. The top one is ready to break away." —Davison, 1906

Jellyfish

"Development of young jellyfish. The top one is ready to break away." —Davison, 1906