Blue Doctor Butterfly vs Crimson Speckled Moth
Side-by-side species comparison
| Attribute | Blue Doctor Butterfly | Crimson Speckled Moth |
|---|---|---|
| Scientific Name | Rhetus periander | Utetheisa pulchella |
| Order | Lepidoptera | Lepidoptera |
| Family | Riodinidae | Erebidae |
| Size | 55-65 mm wingspan | Wingspan 33-42mm |
| Habitat | Rivers & Streams | Beaches & Coastal |
| Diet | Herbivores | Herbivores |
| Regions | South America (Brazil, Peru, Colombia, Ecuador, Venezuela, Bolivia) | Europe, Africa, Asia |
| Conservation | Least Concern | Least Concern |
Blue Doctor Butterfly
A large metalmark butterfly with brilliant metallic blue upperwings and distinctive red-spotted underwings with long tail streamers. It is one of the largest and most spectacular members of the family Riodinidae. Males are territorial and frequently seen perching on sunlit leaves.
Did You Know?
Despite being a metalmark butterfly rather than a swallowtail, it has evolved long tail streamers on its hindwings through convergent evolution.
Crimson Speckled Moth
A small stunning moth with white forewings densely spotted with black and red marks. It is a strong migrant found across the Old World tropics.
Did You Know?
It sequesters pyrrolizidine alkaloids from its host plants which males transfer to females as a nuptial gift during mating.