Giant Resin Bee vs Willow Shoot Sawfly
Side-by-side species comparison
| Attribute | Giant Resin Bee | Willow Shoot Sawfly |
|---|---|---|
| Scientific Name | Megachile sculpturalis | Janus cynosbati |
| Order | Hymenoptera | Hymenoptera |
| Family | Megachilidae | Cephidae |
| Size | 14-24 mm | 8-11 mm |
| Habitat | Woodlands | Hedgerows |
| Diet | Nectar Feeders | Omnivores |
| Regions | East Asia, North America, Europe | North America |
| Conservation | Least Concern | Least Concern |
Giant Resin Bee
A large solitary bee originally from East Asia now invasive in North America and Europe. It uses tree resin and mud to seal its nesting cavities.
Did You Know?
It was first detected in the US in 1994 and has spread rapidly across the eastern states.
Willow Shoot Sawfly
A slender, dark stem sawfly whose larvae bore into the shoots of willow and rose. Females cause distinctive wilting of shoot tips by girdling the stem.
Did You Know?
The wilted, flagging shoot tips caused by this sawfly are often the most visible sign of its presence in wild rose thickets.