Willow Bean-Gall Sawfly vs Japanese Carpenter Bee
Side-by-side species comparison
| Attribute | Willow Bean-Gall Sawfly | Japanese Carpenter Bee |
|---|---|---|
| Scientific Name | Pontania proxima | Xylocopa appendiculata |
| Order | Hymenoptera | Hymenoptera |
| Family | Tenthredinidae | Apidae |
| Size | 3-5 mm | 20-25 mm |
| Habitat | Wetlands | Woodlands |
| Diet | Herbivores | Wood Feeders |
| Regions | Europe, Western Asia | East Asia, Japan |
| Conservation | Least Concern | Least Concern |
Willow Bean-Gall Sawfly
A tiny sawfly that induces distinctive bean-shaped galls on the leaves of various willow species. Each gall contains a single larva feeding on internal gall tissue.
Did You Know?
The gall-inducing chemicals secreted by the larva redirect the plant's growth to create a nutrient-rich chamber specifically for the larva's benefit.
Japanese Carpenter Bee
A large, robust carpenter bee known as 'kumabachi' (bear bee) in Japanese due to its fuzzy appearance. Builds nests by boring tunnels into dead wood. An important pollinator of many plants.
Did You Know?
Despite their intimidating buzz and large size, Japanese carpenter bees are generally docile, and males cannot sting at all.