Northern Rat Flea vs Human Flea
Side-by-side species comparison
| Attribute | Northern Rat Flea | Human Flea |
|---|---|---|
| Scientific Name | Nosopsyllus fasciatus | Pulex irritans |
| Order | Siphonaptera | Siphonaptera |
| Family | Ceratophyllidae | Pulicidae |
| Size | 2-3 mm | 1.5-4 mm |
| Habitat | Woodlands | Underground |
| Diet | Blood Feeders | Blood Feeders |
| Regions | Europe, North America, Asia | Worldwide |
| Conservation | Least Concern | Least Concern |
Northern Rat Flea
A flea of the Norway rat found in temperate climates, capable of transmitting murine typhus. It has a distinctive pronotal comb of spines.
Did You Know?
This flea thrives in the cool conditions of sewers and basements, making it a persistent pest in urban rat populations.
Human Flea
Once common in human homes, now relatively rare in developed countries. Historically responsible for transmitting bubonic plague. Can jump 33 cm vertically.
Did You Know?
Human fleas were major plague vectors — the Black Death that killed 75-200 million people in the 14th century was largely spread by fleas on rats entering human homes.