Crotch's Bumblebee vs Oregon Oak Gall Wasp
Side-by-side species comparison
| Attribute | Crotch's Bumblebee | Oregon Oak Gall Wasp |
|---|---|---|
| Scientific Name | Bombus crotchii | Besbicus mirabilis |
| Order | Hymenoptera | Hymenoptera |
| Family | Apidae | Cynipidae |
| Size | 10-16 mm | 2–3 mm |
| Habitat | Heathland | Grasslands |
| Diet | Nectar Feeders | Gall Makers |
| Regions | California, western USA | Western North America |
| Conservation | Endangered | Not Evaluated |
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.
Did You Know?
Has vanished from most of California's agricultural Central Valley where it was once the dominant bumblebee.
Oregon Oak Gall Wasp
A gall wasp that induces conspicuous galls on Oregon white oak in western North America. Galls form on leaf veins and can be quite abundant.
Did You Know?
Native Americans used some oak galls medicinally as an astringent to treat mouth sores and skin wounds.