Gum-Tree Pergid Sawfly vs Blue Carpenter Bee

Side-by-side species comparison

Attribute Gum-Tree Pergid Sawfly Blue Carpenter Bee
Scientific Name Perga polita Xylocopa caerulea
Order Hymenoptera Hymenoptera
Family Pergidae Apidae
Size 14-20 mm 20-23 mm
Habitat Woodlands Woodlands
Diet Herbivores Wood Feeders
Regions Southeastern Australia Asia
Conservation Least Concern Least Concern

Gum-Tree Pergid Sawfly

A robust Australian sawfly with a dark, polished body. Its gregarious larvae cluster on eucalyptus branches and produce a strong eucalyptus odor when disturbed.

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Did You Know?

The powerful eucalyptus-oil smell released by disturbed larvae can be detected from several meters away and serves as a chemical defense.

Blue Carpenter Bee

A striking large bee with brilliant blue iridescent coloring. Nests in dead wood by boring tunnels. Despite their intimidating size, they are generally docile and rarely sting.

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Did You Know?

The blue carpenter bee is one of the few truly blue bees in the world — its stunning metallic blue coloring comes from structural nanostructures rather than pigment.