Small Rivulet vs Brazilian Thorn Moth
Side-by-side species comparison
| Attribute | Small Rivulet | Brazilian Thorn Moth |
|---|---|---|
| Scientific Name | Perizoma alchemillata | Cyanopepla huillensis |
| Order | Lepidoptera | Lepidoptera |
| Family | Geometridae | Erebidae |
| Size | 18-22 mm wingspan | 35-50 mm wingspan |
| Habitat | Rivers & Streams | Forests |
| Diet | Herbivores | Nectar Feeders |
| Regions | Europe | South America (Brazil, Argentina, Paraguay) |
| Conservation | Least Concern | Least Concern |
Small Rivulet
A delicate small moth found in damp habitats where hemp agrimony grows. The larvae feed inside the flowers. Has subtle grey and white wing markings.
Did You Know?
The larvae develop entirely within hemp agrimony flower heads, emerging only to pupate.
Brazilian Thorn Moth
A day-flying moth with brilliant metallic blue forewings and bright red or orange hindwings, warning predators of its toxicity. It mimics various toxic butterflies and wasps. Despite being a moth, it is active during daylight hours and visits flowers for nectar.
Did You Know?
It is one of many day-flying moths in the Neotropics that are frequently mistaken for butterflies due to their bright colors and diurnal habits.