Crotch's Bumblebee vs House Fly Pupal Parasitoid
Side-by-side species comparison
| Attribute | Crotch's Bumblebee | House Fly Pupal Parasitoid |
|---|---|---|
| Scientific Name | Bombus crotchii | Muscidifurax raptor |
| Order | Hymenoptera | Hymenoptera |
| Family | Apidae | Pteromalidae |
| Size | 10-16 mm | 1-2 mm |
| Habitat | Heathland | Farmland |
| Diet | Nectar Feeders | Parasitoids |
| Regions | California, western USA | North America, Europe |
| Conservation | Endangered | Least Concern |
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.
House Fly Pupal Parasitoid
A minute parasitoid wasp that develops inside house fly and stable fly pupae. It is sold commercially for biological fly management.
Did You Know?
Each female destroys about 50 fly pupae in her lifetime through a combination of parasitism and host-feeding.