Human Body Louse vs Petaltail Dragonfly
Side-by-side species comparison
| Attribute | Human Body Louse | Petaltail Dragonfly |
|---|---|---|
| Scientific Name | Pediculus humanus humanus | Tachopteryx thoreyi |
| Order | Phthiraptera | Odonata |
| Family | Pediculidae | Petaluridae |
| Size | 2.5-3.5 mm | 70-80 mm |
| Habitat | Indoors | Indoors |
| Diet | Blood Feeders | Predators |
| Regions | Europe, Asia, Africa, North America, South America | North America |
| Conservation | Least Concern | Least Concern |
Human Body Louse
Closely related to the head louse but lives in clothing rather than on hair. It is the vector for epidemic typhus, trench fever, and relapsing fever.
Did You Know?
Body lice are believed to have evolved from head lice when humans first began wearing clothing roughly 70,000 to 170,000 years ago.
Petaltail Dragonfly
A primitive dragonfly that perches on tree trunks and has bog-dwelling larvae.
Did You Know?
It belongs to one of the most ancient dragonfly families, largely unchanged for 150 million years.