Australian Cockroach vs Eastern Salmonfly
Side-by-side species comparison
| Attribute | Australian Cockroach | Eastern Salmonfly |
|---|---|---|
| Scientific Name | Periplaneta australasiae | Pteronarcys biloba |
| Order | Blattodea | Plecoptera |
| Family | Blattidae | Pteronarcyidae |
| Size | 23-35 mm | 30-40 mm |
| Habitat | Underground | Rivers & Streams |
| Diet | Detritivores | Detritivores |
| Regions | Oceania, Asia, Africa, South America | North America |
| Conservation | Least Concern | Least Concern |
Australian Cockroach
A large tropical cockroach similar to the American cockroach but with distinctive yellow markings on the pronotum and wing edges. It is a strong flier.
Did You Know?
Despite its name, the Australian cockroach is believed to have originated in tropical Africa and spread worldwide through maritime trade.
Eastern Salmonfly
A large dark stonefly of Appalachian streams that emerges in late spring. Nymphs process leaf litter and are important detritivores.
Did You Know?
Nymphs retain functional gills throughout development, unlike many stoneflies that lose them with age.