Yellow-Horned Horntail vs Birch Sawfly
Side-by-side species comparison
| Attribute | Yellow-Horned Horntail | Birch Sawfly |
|---|---|---|
| Scientific Name | Urocerus flavicornis | Cimbex femoratus |
| Order | Hymenoptera | Hymenoptera |
| Family | Siricidae | Cimbicidae |
| Size | 20-35 mm | 20-28 mm |
| Habitat | Forests | Parks |
| Diet | Wood Feeders | Herbivores |
| Regions | Europe, temperate Asia | Europe, Western Asia |
| Conservation | Least Concern | Least Concern |
Yellow-Horned Horntail
A large wood wasp distinguished by its yellow antennae contrasting with a dark metallic blue-black body. Females bore into conifer wood to lay eggs.
Did You Know?
Adults often emerge from lumber used in construction, sometimes surprising homeowners years after the wood was milled.
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.