American Grannom vs Oriental Cockroach
Side-by-side species comparison
| Attribute | American Grannom | Oriental Cockroach |
|---|---|---|
| Scientific Name | Brachycentrus americanus | Blatta orientalis |
| Order | Trichoptera | Blattodea |
| Family | Brachycentridae | Blattidae |
| Size | 9-13 mm | 20-27 mm |
| Habitat | Rivers & Streams | Underground |
| Diet | Omnivores | Omnivores |
| Regions | North America | Europe, North America, Asia, Africa |
| Conservation | Least Concern | Least Concern |
American Grannom
A case-building caddisfly whose larvae attach their cases to rocks in fast current and filter-feed. Cases are chimney-shaped and built from silk and plant fragments.
Did You Know?
Larvae can switch between filter-feeding and scraping algae depending on current speed.
Oriental Cockroach
A dark brown to black cockroach with a shiny body, often called a waterbug. It prefers cool, damp environments and is less agile than other cockroach species.
Did You Know?
Oriental cockroaches produce a distinctive and particularly unpleasant musty odor from chemicals secreted by glands on their bodies.