Australian Wood Cockroach vs Pergid Sawfly
Side-by-side species comparison
| Attribute | Australian Wood Cockroach | Pergid Sawfly |
|---|---|---|
| Scientific Name | Panesthia cribrata | Perga affinis |
| Order | Blattodea | Hymenoptera |
| Family | Blaberidae | Pergidae |
| Size | 30-40mm | 15-20 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Wood Feeders | Herbivores |
| Regions | Oceania | Eastern Australia |
| Conservation | Least Concern | Least Concern |
Australian Wood Cockroach
A shiny dark brown wingless cockroach that lives in and feeds on rotting logs. It plays an important ecological role in nutrient recycling. Unlike pest species, it never enters homes.
Did You Know?
It is an essential decomposer in Australian forests, breaking down fallen timber and recycling nutrients into the soil.
Pergid Sawfly
An Australian sawfly whose larvae form dense defensive clusters called spitfires on eucalyptus trees. When threatened, larvae rear up and regurgitate eucalyptus oil.
Did You Know?
Larvae tap their tails on the branch in unison to signal the group to move to fresh leaves.