Navel Orangeworm vs Helena Brown Butterfly
Side-by-side species comparison
| Attribute | Navel Orangeworm | Helena Brown Butterfly |
|---|---|---|
| Scientific Name | Amyelois transitella | Tisiphone helena |
| Order | Lepidoptera | Lepidoptera |
| Family | Pyralidae | Nymphalidae |
| Size | 20-28 mm wingspan | 5-6 cm wingspan |
| Habitat | Deserts & Drylands | Forests |
| Diet | Omnivores | Sap Feeders |
| Regions | North America | Australia |
| Conservation | Not Evaluated | Least Concern |
Navel Orangeworm
The most damaging pest of almonds, walnuts, and pistachios in California. Larvae bore into nuts and contaminate them with frass and fungal spores.
Did You Know?
It promotes aflatoxin contamination by introducing Aspergillus fungi into damaged nuts.
Helena Brown Butterfly
A dark brown butterfly with orange-ringed eyespots found in shaded forest environments. It has a weak, bobbing flight close to the ground.
Did You Know?
It is one of very few Australian butterflies that prefers deep shade over sunny open areas.