Western Bumble Bee vs Golden Pergid Sawfly
Side-by-side species comparison
| Attribute | Western Bumble Bee | Golden Pergid Sawfly |
|---|---|---|
| Scientific Name | Bombus occidentalis | Perga gravenhorstii |
| Order | Hymenoptera | Hymenoptera |
| Family | Apidae | Pergidae |
| Size | 10-22 mm | 14-22 mm |
| Habitat | Mountains | Woodlands |
| Diet | Nectar Feeders | Herbivores |
| Regions | Western North America | Australia |
| Conservation | Vulnerable | Least Concern |
Western Bumble Bee
A once-common bumble bee of western North America that has experienced dramatic population declines since the late 1990s. They nest underground in abandoned rodent burrows.
Did You Know?
Their catastrophic decline is linked to a pathogen accidentally spread through commercial bumble bee rearing facilities.
Golden Pergid Sawfly
A large Australian sawfly with distinctive golden-orange coloring and dark wing venation. Larvae are gregarious spitfires on eucalyptus.
Did You Know?
Female Perga sawflies show an unusual degree of parental care, standing guard over their egg masses for days to protect them from parasitoids.