This ClipArt gallery offers 526 illustrations of insect anatomy, including sections and internal views of several types, antennas, digestive systems, wings, organs, and developmental stages. Gallery contents are arranged alphabetically by common name of the insect.

A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

A hanging larva of the monarch. This common butterfly is of a brown color, with black veins and wing…

A pupa of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

A pupa of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

The mesothorax of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

The mesothorax of the monarch. This common butterfly is of a brown color, with black veins and wing…

The metathorax of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

The metathorax of the monarch. This common butterfly is of a brown color, with black veins and wing…

The abdomen of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

Monarch Butterfly

The abdomen of the monarch. This common butterfly is of a brown color, with black veins and wing borders.

The trunk is "directed downward and plunged into the flower. The insect draws it partly out, and perhaps curves it a little, and then plunges it into the flower again. It repeats the same maneuver seven or eight times, and then flies onto another flower."

Section of a Butterfly's Trunk, after Reaumur

The trunk is "directed downward and plunged into the flower. The insect draws it partly out, and perhaps…

Tenebriodes corticalis, the "cadelle;" structural detail.

Cadelle

Tenebriodes corticalis, the "cadelle;" structural detail.

Tenebriodes corticalis, the "cadelle;" structural detail.

Cadelle

Tenebriodes corticalis, the "cadelle;" structural detail.

Tenebriodes corticalis, the "cadelle;" structural detail.

Cadelle

Tenebriodes corticalis, the "cadelle;" structural detail.

Tenebriodes corticalis, the "cadelle;" structural detail.

Cadelle

Tenebriodes corticalis, the "cadelle;" structural detail.

Tenebriodes corticalis, the "cadelle;" structural detail.

Cadelle

Tenebriodes corticalis, the "cadelle;" structural detail.

Tenebriodes corticalis, the "cadelle;" structural detail.

Cadelle

Tenebriodes corticalis, the "cadelle;" structural detail.

Tenebriodes corticalis, the "cadelle;" structural detail.

Cadelle

Tenebriodes corticalis, the "cadelle;" structural detail.

The side and top view of the segments of the Canker Worm.

Canker Worm Segments

The side and top view of the segments of the Canker Worm.

A feeler is clubbed, or <em>capitate</em>, when the joints toward or at the tip suddenly or gradually enlarge to form a more or less evident club or bulb, and this type is widely distributed in all the orders, a variety of terms being in use to indicate the particular form of the club.

Capitate Antenna

A feeler is clubbed, or capitate, when the joints toward or at the tip suddenly or gradually…

The American tent-caterpillar, cocoon.

Caterpillar

The American tent-caterpillar, cocoon.

The American tent-caterpillar, egg-mass of an allied species.

Caterpillar

The American tent-caterpillar, egg-mass of an allied species.

Front half of a caterpillar. Labels: a, opening air tubes, a pair of which are shown in black at the cut end.

Front Half of a Caterpillar

Front half of a caterpillar. Labels: a, opening air tubes, a pair of which are shown in black at the…

Chilo saccharalis species; wing.

Chilo

Chilo saccharalis species; wing.

The Chinch-bug, Blissus leucopterus species; leg.

Chinch Bug

The Chinch-bug, Blissus leucopterus species; leg.

The Chinch-bug, Blissus leucopterus species; beak.

Chinch Bug

The Chinch-bug, Blissus leucopterus species; beak.

The Chinch-bug, Blissus leucopterus species; tarsus.

Chinch Bug

The Chinch-bug, Blissus leucopterus species; tarsus.

The periodical cicada, eggs taken from the egg punctures.

Cicada

The periodical cicada, eggs taken from the egg punctures.

Insects have neither arteries nor veins. The circulation, such as it is, is animated by the action of a vessel called dorsal, which is situated above the digestive tube. Labels: 1, Dorsal vessels in which the blood flows. 2,The lateral currents. The arrows show the outward and the inward current.

Diagram of the Circulation of an Insect.

Insects have neither arteries nor veins. The circulation, such as it is, is animated by the action of…

A feeler is clubbed, or <em>clavate</em>, when the joints toward or at the tip suddenly or gradually enlarge to form a more or less evident club or bulb, and this type is widely distributed in all the orders, a variety of terms being in use to indicate the particular form of the club.

Clavate Antenna

A feeler is clubbed, or clavate, when the joints toward or at the tip suddenly or gradually…

Cockroach dissected to show alimentary canal, al.c.

Cockroach

Cockroach dissected to show alimentary canal, al.c.

"Leg of cockroach. c., Broad expanded coxa; tr., trochanter; f., femur; ti., tibia; ta., six-jointed tarsus with terminal claws and adhesive cushions." -Thomson, 1916

Cockroach Leg

"Leg of cockroach. c., Broad expanded coxa; tr., trochanter; f., femur; ti., tibia; ta., six-jointed…

"Periplaneta. General view of the nervous system. abd. 6, sixth abdominal ganglion; ant, antennary nerve; br, brain; conn, oesophageal connective; inf, sub-oesophageal ganglion; opt, optic nerve; thor. 1, thor. 2, thor. 3, first, second, and third thoracic ganglia." -Parker, 1900

Cockroach Nervous System

"Periplaneta. General view of the nervous system. abd. 6, sixth abdominal ganglion; ant, antennary nerve;…

"Corn Fly (Chlorops taeniopus): a, a portion of a culm or stem of wheat with swollen joint, caused by larva of corn fly; b, larva; c, pupa; d, fly, natural size; c, fly, magnified." &mdash; Chambers' Encyclopedia, 1875

Corn Fly

"Corn Fly (Chlorops taeniopus): a, a portion of a culm or stem of wheat with swollen joint, caused by…

"The compound are composed of many lenses, forming hexagonal facettes. The exterior of the eye is called the cornea."

A Compound Cornea

"The compound are composed of many lenses, forming hexagonal facettes. The exterior of the eye is called…

Crambus vulvivagellus species; wing of moth.

Crambus

Crambus vulvivagellus species; wing of moth.

The Cranberry-fruit worm of the Mineola vaccinii species; tip of the pupa.

Cranberry-Fruit

The Cranberry-fruit worm of the Mineola vaccinii species; tip of the pupa.

The Cranberry-fruit worm of the Mineola vaccinii species; cocoon.

Cranberry-Fruit

The Cranberry-fruit worm of the Mineola vaccinii species; cocoon.

This illustration shows the different stages of the plum tree curculio. a, the larva; b, the pupa; c, the beetle; d, curculio.

Curculio

This illustration shows the different stages of the plum tree curculio. a, the larva; b, the pupa; c,…

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.

Currant-worm, larvae.

Currant Worm

Currant-worm, larvae.

Currant-worm, cocoon.

Currant Worm

Currant-worm, cocoon.

"Digestive apparatus of the common beetle."A: MouthB: EsophagusC: CropD: GizzardE: Chylific entricleF: Small intestineG: Large intestineH: Anus

Digestive Apparatus of Carabus Auratus

"Digestive apparatus of the common beetle." A: Mouth B: Esophagus C: Crop D: Gizzard E: Chylific entricle F:…

The digestive system of a katydid.

Digestive System

The digestive system of a katydid.

The digestive system of a grasshopper.

Digestive System

The digestive system of a grasshopper.

A very slender, branched twining leafless yellowish or reddish annual parasites.

Lesser Dodder

A very slender, branched twining leafless yellowish or reddish annual parasites.

Larva of dragonfly

Dragonfly

Larva of dragonfly

The wing of an ear-wig, showing the radiate type of pleating.

Earwig

The wing of an ear-wig, showing the radiate type of pleating.

"A name arising in the first instance probably from their invariable habit of secreting themselves in any cavity, of which they always endeavour to reach the innermost recess, and strengthened by the popular exaggerated idea of the strength and attributes of the anal forceps peculiar to these insects." &mdash; Encyclopedia Britannica, 1893

Earwig Wings

"A name arising in the first instance probably from their invariable habit of secreting themselves in…

An elater from side, to show the prosternal process.

Elater

An elater from side, to show the prosternal process.

"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…

Epidapus scabei species, wingless female and structural details.

Epidapus

Epidapus scabei species, wingless female and structural details.

Body vesiture of Eristalis tenax species; entire hair.

Eristalis

Body vesiture of Eristalis tenax species; entire hair.

Body vesiture of Eristalis tenax species; part of entire hair.

Eristalis

Body vesiture of Eristalis tenax species; part of entire hair.

Body vesiture of Eristalis tenax species; part of entire hair.

Eristalis

Body vesiture of Eristalis tenax species; part of entire hair.

Body vesiture of Eristalis tenax species; part of entire hair.

Eristalis

Body vesiture of Eristalis tenax species; part of entire hair.

Rat-railed larva of Eristalis species.

Eristalis

Rat-railed larva of Eristalis species.

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…

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…

The side view of the compound eye of the housefly.

Compound Eye of Housefly

The side view of the compound eye of the housefly.

<em>Hyphantria cunea</em>: variations in the markings of the wings.

Fall Webworm Wings

Hyphantria cunea: variations in the markings of the wings.

The female locust anal characters, showing the horny valves.

Female Locust Anatomy

The female locust anal characters, showing the horny valves.