Locust Borer vs South American Eucalyptus Sawfly
Side-by-side species comparison
| Attribute | Locust Borer | South American Eucalyptus Sawfly |
|---|---|---|
| Scientific Name | Megacyllene robiniae | Lophyrotoma zonalis |
| Order | Coleoptera | Hymenoptera |
| Family | Cerambycidae | Pergidae |
| Size | 14-22 mm | 10-14 mm |
| Habitat | Farmland | Farmland |
| Diet | Pollen Feeders | Herbivores |
| Regions | Eastern and Central North America | Australia, invasive in South America |
| Conservation | Least Concern | Least Concern |
Locust Borer
A striking yellow-and-black wasp mimic that attacks black locust trees in North America. Adults appear in autumn and are commonly found on goldenrod flowers. Larval boring weakens locust trunks and can cause breakage.
Did You Know?
Adults synchronize their emergence with goldenrod bloom, making autumn fields their primary mating arenas.
South American Eucalyptus Sawfly
A dark-bodied pergid sawfly that has become a significant pest of eucalyptus plantations in South America. Larvae are gregarious and can cause severe defoliation.
Did You Know?
This Australian native became a major pest after eucalyptus was widely planted in South America, far from its natural enemies.