Labrador Minnow Mayfly vs Great Helen
Side-by-side species comparison
| Attribute | Labrador Minnow Mayfly | Great Helen |
|---|---|---|
| Scientific Name | Baetis labradoriensis | Papilio iswara |
| Order | Ephemeroptera | Lepidoptera |
| Family | Baetidae | Papilionidae |
| Size | 5-8 mm | 120-150 mm wingspan |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Nectar Feeders |
| Regions | North America | Southeast Asia (Malaysia, Borneo, Sumatra, Thailand, Myanmar) |
| Conservation | Least Concern | Least Concern |
Labrador Minnow Mayfly
A small mayfly found in cold northern streams with rapid currents. Nymphs cling to submerged stones and feed on periphyton.
Did You Know?
Nymphs can complete their development in as little as three weeks during warm summer conditions.
Great Helen
A large, elegant swallowtail with dark velvety black wings bearing a broad white band across the hindwings and blue submarginal spots. The hindwings have distinctive spatulate tails.
Did You Know?
Males are often seen mud-puddling in large groups along forest streams, sometimes alongside dozens of other swallowtail species.