species 3,392 observations
Crotch's Bumble Bee
Bombus crotchii
Field notes
Bombus crotchii, commonly called Crotch's bumble bee or the Golden State bumble bee, is a species of bumblebee named after the entomologist George Robert Crotch. It is classified as endangered due to the impacts of pesticides, climate change, and human development.
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500
native plants
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Range
Greener is more native, amber more introduced; paler is less certain. How this was decided