Birch Sawfly vs Gall Wasp
Side-by-side species comparison
| Attribute | Birch Sawfly | Gall Wasp |
|---|---|---|
| Scientific Name | Cimbex femoratus | Andricus quercuscalicis |
| Order | Hymenoptera | Hymenoptera |
| Family | Cimbicidae | Cynipidae |
| Size | 20-28 mm | 3-4 mm |
| Habitat | Parks | Woodlands |
| Diet | Herbivores | Gall Makers |
| Regions | Europe, Western Asia | Europe |
| Conservation | Least Concern | Least Concern |
Birch Sawfly
One of the largest European sawflies, with a stout body, clubbed antennae, and variable coloring from black to yellowish-brown. Larvae are large, pale green caterpillar-like grubs found curled on birch leaves.
Did You Know?
When disturbed, the large larva can squirt a jet of fluid from glands above its spiracles as a defensive mechanism.
Gall Wasp
A tiny wasp that induces knopper galls on oak acorns, deforming them completely.
Did You Know?
It has alternating sexual and asexual generations that produce different gall types.