Transverse section (t.s.).

• Musca domestica, housefly, leaking-sucking mouth parts
• Pieris, butterfly, sucking mouth parts
• Carabus, ground beetle, biting mouth parts (carnivore)
• Melolontha, cockchafer, chewing mouth parts (herbivore)
• Pyrrhocoris, bug, piercing sucking mouth parts
• Bombyx mori. silkworm moth, chewing mouth parts
• Apis mellifica, honey bee, leaking sucking mouth parts of worker
• Culex pipiens, mosquito, piercing sucking mouth parts
• Melolontha, cockchafer, antenna with sense organs
• Bombyx mori, silkworm moth, feathered antenna
• Apis mellifica, anterior leg with eye brush
• Apis mellifica, posterior leg with pollen basket
• Musca domestica, house fly, leg with pulvilli
• Apis mellifica, anterior and posterior wings
• Pieris, butterfly, portion of wings with scales
• Trachea from insect
• Spiracle from insect
• Cornea isolated from insect eye
• Apis mellifica, honey bee, sting and poison sac
• Apis mellifica, head with compound eyes and brain (t.s)
• Bombyx mori, silkworm (t.s) showing silk spinning glands
• Drosophila, fruit fly of adult
• Ctenocephalus canis, dog flea of an adult
• Culex pipiens, mosquito, larva
• Chironomus, gnat, larva