Siphonaptera (siphon = tube; aptera = wingless)
- Metamorphosis: complete (egg to larva to pupa to adult).
- Immature: larvae white, cylindrical, legless, with long hairs on thorax and abdomen
- Adult: sucking mouthparts, no wings, minute size.
Classification and Groups
Medically Important Families:
- Ceratophyllidae - mainly associated with rodents
- Pulicidae - several species of human pests
- Tungidae - chigoe fleas