Hawaiian Assimulans Yellow-faced Bee vs Arctic Sawfly
Side-by-side species comparison
| Attribute | Hawaiian Assimulans Yellow-faced Bee | Arctic Sawfly |
|---|---|---|
| Scientific Name | Hylaeus assimulans | Amauronematus abnormis |
| Order | Hymenoptera | Hymenoptera |
| Family | Colletidae | Tenthredinidae |
| Size | 6-8 mm | 5-8 mm |
| Habitat | Beaches & Coastal | Tundra & Arctic |
| Diet | Nectar Feeders | Herbivores |
| Regions | Oceania (Hawaii) | Arctic Scandinavia, Finland, northern Russia, Arctic Canada, Alaska |
| Conservation | Endangered | Least Concern |
Hawaiian Assimulans Yellow-faced Bee
A rare endemic bee from the Hawaiian Islands, once found on several islands but now severely reduced in range. It nests in the stems of native plants and abandoned beetle holes. Habitat loss and invasive species have drastically reduced its populations.
Did You Know?
This bee is one of seven Hawaiian yellow-faced bee species federally listed as endangered, highlighting the perilous state of Hawaiian native pollinators.
Arctic Sawfly
A small, dark sawfly associated with willows in Arctic and subarctic regions. Females use their saw-like ovipositor to cut slits in willow leaves and stems for egg-laying. Larvae resemble caterpillars and feed openly on leaves.
Did You Know?
Arctic sawfly larvae can produce silk pads to anchor themselves to willow leaves during strong tundra winds.