Vestal Cuckoo Bumblebee vs Scarlet-Bodied Pergid Sawfly

Side-by-side species comparison

Attribute Vestal Cuckoo Bumblebee Scarlet-Bodied Pergid Sawfly
Scientific Name Psithyrus vestalis Perga kirbyi
Order Hymenoptera Hymenoptera
Family Apidae Pergidae
Size 15-20 mm 16-24 mm
Habitat Underground Woodlands
Diet Parasites Herbivores
Regions Europe Australia
Conservation Least Concern Least Concern

Vestal Cuckoo Bumblebee

A brood parasitic bumblebee that takes over colonies of the Buff-tailed Bumblebee. The female kills or subdues the host queen and uses the workers to raise her own offspring.

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Did You Know?

Females infiltrate host bumblebee nests and take them over by force, enslaving the workers to raise cuckoo brood.

Scarlet-Bodied Pergid Sawfly

A large, robustly built Australian sawfly with a bright scarlet to red-orange abdomen and dark head and thorax. Its spitfire larvae feed on eucalyptus in tight clusters.

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Did You Know?

Adult females demonstrate rare parental care for an insect by guarding their egg batch and early-instar larvae on the eucalyptus leaf.