Pill Cockroach vs Zodion Thick-headed Fly
Side-by-side species comparison
| Attribute | Pill Cockroach | Zodion Thick-headed Fly |
|---|---|---|
| Scientific Name | Perisphaerus pygmaeus | Zodion cinereum |
| Order | Blattodea | Diptera |
| Family | Blaberidae | Conopidae |
| Size | 8-12 mm | 5-8 mm |
| Habitat | Underground | Underground |
| Diet | Detritivores | Nectar Feeders |
| Regions | Asia | Europe, North America |
| Conservation | Data Deficient | Least Concern |
Pill Cockroach
A tiny cockroach that rolls into a perfect ball like a pillbug when threatened.
Did You Know?
Nymphs cling to the mother and feed on secretions from her body surface.
Zodion Thick-headed Fly
A small, grayish-brown conopid fly with a slightly swollen head and prominent proboscis. It is commonly found on flowers where it stalks small bees and wasps for parasitism.
Did You Know?
Unlike larger conopids that tackle bumblebees, this species specializes in parasitizing smaller sweat bees and halictids.