Western Spruce Budworm vs South American Giant Mayfly
Side-by-side species comparison
| Attribute | Western Spruce Budworm | South American Giant Mayfly |
|---|---|---|
| Scientific Name | Choristoneura occidentalis | Campsurus major |
| Order | Lepidoptera | Ephemeroptera |
| Family | Tortricidae | Polymitarcyidae |
| Size | 22-28 mm wingspan | 15-25 mm |
| Habitat | Mountains | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | North America | South America |
| Conservation | Not Evaluated | Least Concern |
Western Spruce Budworm
A major defoliator of Douglas-fir and true firs in western North America. Repeated defoliation leads to growth loss and tree mortality.
Did You Know?
Fire suppression has increased susceptibility of western forests to budworm outbreaks.
South American Giant Mayfly
A large tropical mayfly found in South American rivers and floodplains. Males have distinctive elongated forelegs used for grasping females during mating flights.
Did You Know?
Its mass emergences from Amazonian rivers provide a critical food pulse for fish and birds.