Bark Cockroach vs Scarlet Robber Fly

Side-by-side species comparison

Attribute Bark Cockroach Scarlet Robber Fly
Scientific Name Laxta granicollis Laphria flava
Order Blattodea Diptera
Family Blaberidae Asilidae
Size 20-30 mm 15-25 mm
Habitat Woodlands Woodlands
Diet Wood Feeders Predators
Regions Oceania Europe, Northern Asia
Conservation Least Concern Least Concern

Bark Cockroach

A flat oval cockroach that lives exclusively under eucalyptus bark.

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Did You Know?

Its extremely flat body allows it to squeeze into bark crevices just one millimeter wide.

Scarlet Robber Fly

A bumblebee-mimicking robber fly covered in dense golden-yellow hair. It preys on insects visiting flowers at woodland edges.

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Did You Know?

Its dense yellow pile makes it one of the most convincing bumblebee mimics among robber flies.