Vestal Cuckoo Bumblebee vs California Harvester Ant

Side-by-side species comparison

Attribute Vestal Cuckoo Bumblebee California Harvester Ant
Scientific Name Psithyrus vestalis Pogonomyrmex californicus
Order Hymenoptera Hymenoptera
Family Apidae Formicidae
Size 15-20 mm 5-7 mm
Habitat Underground Deserts & Drylands
Diet Parasites Seed Feeders
Regions Europe North America
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.

California Harvester Ant

A small harvester ant found in hot deserts of the American Southwest. Colonies are often founded by groups of cooperating queens.

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Did You Know?

Multiple unrelated queens can found a single colony together, then fight to the death until only one remains.