Crotch's Bumblebee vs Golden Birdwing

Side-by-side species comparison

Attribute Crotch's Bumblebee Golden Birdwing
Scientific Name Bombus crotchii Troides aeacus
Order Hymenoptera Lepidoptera
Family Apidae Papilionidae
Size 10-16 mm 140-170 mm wingspan
Habitat Heathland Mountains
Diet Nectar Feeders Nectar Feeders
Regions California, western USA South and Southeast Asia, southern China
Conservation Endangered Least Concern; listed on CITES Appendix II

Crotch's Bumblebee

A western North American bumblebee that has declined by over 90% from its historical range. Once common in California's Central Valley. Threatened by pesticides and habitat loss.

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Did You Know?

Has vanished from most of California's agricultural Central Valley where it was once the dominant bumblebee.

Golden Birdwing

A large birdwing butterfly with velvety black forewings and brilliant golden-yellow hindwings. It is found across a wide range of Asian habitats from India to China.

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Did You Know?

Like all birdwings, it is protected under international trade law, and collecting wild specimens is illegal in most countries.