Alder Cimbicid Sawfly vs Black Slip Wasp
Side-by-side species comparison
| Attribute | Alder Cimbicid Sawfly | Black Slip Wasp |
|---|---|---|
| Scientific Name | Cimbex americanus | Pimpla instigator |
| Order | Hymenoptera | Hymenoptera |
| Family | Cimbicidae | Ichneumonidae |
| Size | 18-25 mm | 12-16 mm |
| Habitat | Rivers & Streams | Underground |
| Diet | Wood Feeders | Parasitoids |
| Regions | North America | Europe, Asia |
| Conservation | Least Concern | Least Concern |
Alder Cimbicid Sawfly
The largest sawfly in North America, with a robust body up to 25 mm long, clubbed antennae, and smoky brown wings. Body color varies from black to brownish-yellow.
Did You Know?
The large, green larvae can squirt a fluid from lateral glands when disturbed, similar to their European relative Cimbex femoratus.
Black Slip Wasp
A medium-sized black ichneumon wasp that parasitizes butterfly and moth pupae. Uses its ovipositor to penetrate through cocoons. A common and widespread species.
Did You Know?
Can drill its ovipositor through tough pupal cases and silk cocoons to reach the developing insect inside.