Scales on wing of butterfly.

Butterfly

Scales on wing of butterfly.

Head of a moth; the tongue uncoiled.

Moth

Head of a moth; the tongue uncoiled.

Head of a moth; tongue partly coiled seen from side.

Moth

Head of a moth; tongue partly coiled seen from side.

Head of a moth; the appearance of tongue under a lens.

Moth

Head of a moth; the appearance of tongue under a lens.

Antenna in Lepidoptera; clubbed antenna of butterfly.

Antenna

Antenna in Lepidoptera; clubbed antenna of butterfly.

Antenna in Lepidoptera; clubbed antenna of butterfly.

Antenna

Antenna in Lepidoptera; clubbed antenna of butterfly.

Antenna in Lepidoptera; clubbed antenna of butterfly.

Antenna

Antenna in Lepidoptera; clubbed antenna of butterfly.

Antenna in Lepidoptera; prismatic and fusiform.

Antenna

Antenna in Lepidoptera; prismatic and fusiform.

Antenna in Lepidoptera; ciliated.

Antenna

Antenna in Lepidoptera; ciliated.

Antenna in Lepidoptera; bristle-tufted.

Antenna

Antenna in Lepidoptera; bristle-tufted.

Head of Papilio, showing where antenna are inserted.

Papilio

Head of Papilio, showing where antenna are inserted.

Head of Hesperid, showing where antenna are inserted.

Hesperid

Head of Hesperid, showing where antenna are inserted.

Foreleg of a brush-footed butterfly entirely aborted.

Foreleg

Foreleg of a brush-footed butterfly entirely aborted.

Foreleg of male Lycaena entirely aborted, tarsus one-jointed.

Foreleg

Foreleg of male Lycaena entirely aborted, tarsus one-jointed.

Milk-weed butterfly, Danais archippus species; egg.

Butterfly

Milk-weed butterfly, Danais archippus species; egg.

Milk-weed butterfly, Danais archippus species; egg on a leaf.

Butterfly

Milk-weed butterfly, Danais archippus species; egg on a leaf.

Milk-weed butterfly, Danais archippus species; full-grown larva.

Butterfly

Milk-weed butterfly, Danais archippus species; full-grown larva.

Milk-weed butterfly, Danais archippus species; chrysalis.

Butterfly

Milk-weed butterfly, Danais archippus species; chrysalis.

Milk-weed butterfly, Danais archippus species; male butterfly.

Butterfly

Milk-weed butterfly, Danais archippus species; male butterfly.

Larva of Vanessa antiopa species.

Elm Butterfly

Larva of Vanessa antiopa species.

Chrysalis of Vanessa antiopa species.

Elm Butterfly

Chrysalis of Vanessa antiopa species.

Chrysophanus thoe species; female.

Butterfly

Chrysophanus thoe species; female.

Chrysophanus thoe species; male.

Butterfly

Chrysophanus thoe species; male.

Papilio asterias, male.

Butterfly

Papilio asterias, male.

Papilio cresphontes.

Butterfly

Papilio cresphontes.

The orange dog, caterpillar of Papilio cresphontes, with osmateria, or scent-organs.

Orange Dog

The orange dog, caterpillar of Papilio cresphontes, with osmateria, or scent-organs.

The orange dog, caterpillar of Papilio cresphontes, with osmateria, or scent-organs; showing anterior segments normally retracted.

Orange Dog

The orange dog, caterpillar of Papilio cresphontes, with osmateria, or scent-organs; showing anterior…

The potato hawk-moth Protoparce celeus species.

Moth

The potato hawk-moth Protoparce celeus species.

The potato hawk-moth Protoparce celeus species; pupa.

Moth

The potato hawk-moth Protoparce celeus species; pupa.

The potato hawk-moth Protoparce celeus species; caterpillar.

Moth

The potato hawk-moth Protoparce celeus species; caterpillar.

Philampelus achemon, larva.

Moth

Philampelus achemon, larva.

Philampelus achemon.

Moth

Philampelus achemon.

The peach-borer, Sannina exitiosa species; male.

Peach Borer

The peach-borer, Sannina exitiosa species; male.

The peach-borer, Sannina exitiosa species; female.

Peach Borer

The peach-borer, Sannina exitiosa species; female.

Alypia octo-maculata, 8-spotted forester; larva.

Moth

Alypia octo-maculata, 8-spotted forester; larva.

Alypia octo-maculata, 8-spotted forester; segment of larva.

Moth

Alypia octo-maculata, 8-spotted forester; segment of larva.

Alypia octo-maculata, 8-spotted forester; moth.

Moth

Alypia octo-maculata, 8-spotted forester; moth.

Grape-leaf on which larva of Harrisina americana are feeding.

Larva

Grape-leaf on which larva of Harrisina americana are feeding.

Caterpillar of Notolophus leucostigma.

Caterpillar

Caterpillar of Notolophus leucostigma.

The vaporer moth of the Notolophus leucostigma species; wingless female on her egg-mass.

Moth

The vaporer moth of the Notolophus leucostigma species; wingless female on her egg-mass.

The vaporer moth of the Notolophus leucostigma species; young larva.

Moth

The vaporer moth of the Notolophus leucostigma species; young larva.

The vaporer moth of the Notolophus leucostigma species; female.

Moth

The vaporer moth of the Notolophus leucostigma species; female.

The vaporer moth of the Notolophus leucostigma species; male pupa.

Moth

The vaporer moth of the Notolophus leucostigma species; male pupa.

The vaporer moth of the Notolophus leucostigma species; male moth.

Moth

The vaporer moth of the Notolophus leucostigma species; male moth.

The saddle-back caterpillar of the Empretia stinulea species.

Caterpillar

The saddle-back caterpillar of the Empretia stinulea species.

The saddle-back caterpillar of the Empretia stinulea species.

Caterpillar

The saddle-back caterpillar of the Empretia stinulea species.

The saddle-back moth of the Empretia stinulea species.

Moth

The saddle-back moth of the Empretia stinulea species.

The bag-worm, Thyrtdopteryx ephemeraeformis species; larva.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; larva.

The bag-worm, Thyrtdopteryx ephemeraeformis species; male pupa.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; male pupa.

The bag-worm, Thyrtdopteryx ephemeraeformis species; female.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; female.

The bag-worm, Thyrtdopteryx ephemeraeformis species; male moth.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; male moth.

The bag-worm, Thyrtdopteryx ephemeraeformis species; bag of female cut open to show the mass of eggs.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; bag of female cut open to show the mass of eggs.

The bag-worm, Thyrtdopteryx ephemeraeformis species; caterpillar with bag in normal position.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; caterpillar with bag in normal position.

The bag-worm, Thyrtdopteryx ephemeraeformis species; young larva with bags carried upright.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; young larva with bags carried upright.

The bag-worm, Thyrtdopteryx ephemeraeformis species; sack of female cut open to show the grub-like creature at its mouth.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; sack of female cut open to show the grub-like creature…

The bag-worm, Thyrtdopteryx ephemeraeformis species; the female removed from the bag.

Bagworm

The bag-worm, Thyrtdopteryx ephemeraeformis species; the female removed from the bag.

The yellow-necked caterpillar.

Caterpillar

The yellow-necked caterpillar.

The yellow-necked caterpillar; eggs.

Caterpillar

The yellow-necked caterpillar; eggs.

The yellow-necked caterpillar; egg.

Caterpillar

The yellow-necked caterpillar; egg.

The yellow-necked caterpillar's parent, the Datana ministra species.

Caterpillar

The yellow-necked caterpillar's parent, the Datana ministra species.