Birch Sawfly vs Field Cockroach
Side-by-side species comparison
| Attribute | Birch Sawfly | Field Cockroach |
|---|---|---|
| Scientific Name | Cimbex femoratus | Blattella vaga |
| Order | Hymenoptera | Blattodea |
| Family | Cimbicidae | Ectobiidae |
| Size | 20-28 mm | 10-14 mm |
| Habitat | Parks | Deserts & Drylands |
| Diet | Herbivores | Herbivores |
| Regions | Europe, Western Asia | Southwestern United States, Mexico |
| Conservation | Least Concern | Not Evaluated |
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.
Field Cockroach
A small cockroach similar to the German cockroach but with a dark face. It lives outdoors in irrigated areas of the southwestern United States.
Did You Know?
Its dark facial markings are the easiest way to distinguish it from the indoor-dwelling German cockroach.