Cave Bark Louse vs Giant Pill Millipede
Side-by-side species comparison
| Attribute | Cave Bark Louse | Giant Pill Millipede |
|---|---|---|
| Scientific Name | Prionoglaris stygia | Zephronia siamensis |
| Order | Psocoptera | Sphaerotheriida |
| Family | Prionoglarididae | Zephroniidae |
| Size | 2-3 mm | 30-50 mm diameter when rolled |
| Habitat | Caves | Caves |
| Diet | Fungus Feeders | Wood Feeders |
| Regions | Southern Europe | Southeast Asia (Thailand, Malaysia, Vietnam, Laos, Cambodia) |
| Conservation | Data Deficient | Least Concern |
Cave Bark Louse
A primitive cave-dwelling bark louse found in European caves. It retains many ancestral features making it important for understanding psocid evolution.
Did You Know?
It is considered one of the most primitive living members of the order Psocoptera.
Giant Pill Millipede
A large pill millipede that can roll into a perfect sphere the size of a golf ball when threatened. The body is dark brown to black with smooth, overlapping plates.
Did You Know?
When rolled into a ball, the armor plates lock together so tightly that most predators cannot pry them apart.