Elm Leafminer vs Long-tailed Giant Ichneumon
Side-by-side species comparison
| Attribute | Elm Leafminer | Long-tailed Giant Ichneumon |
|---|---|---|
| Scientific Name | Fenusa ulmi | Megarhyssa atrata |
| Order | Hymenoptera | Hymenoptera |
| Family | Tenthredinidae | Ichneumonidae |
| Size | 2.5-4 mm (adult) | 30-50 mm body, ovipositor up to 130 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Herbivores | Wood Feeders |
| Regions | Europe, North America | North America |
| Conservation | Not Evaluated | Least Concern |
Elm Leafminer
A sawfly whose larvae mine between the upper and lower surfaces of elm leaves. Mines appear as blotchy brown patches on foliage.
Did You Know?
Each larva creates a single blotch mine that can expand to cover half the leaf.
Long-tailed Giant Ichneumon
A large dark-bodied ichneumonid wasp found in eastern North America. Females bore through bark to parasitize pigeon tremex horntail larvae.
Did You Know?
Multiple females often congregate on the same dead tree, drilling simultaneously for hosts.