Puerto Rican Harlequin Butterfly vs Black Headed Birch Sawfly
Side-by-side species comparison
| Attribute | Puerto Rican Harlequin Butterfly | Black Headed Birch Sawfly |
|---|---|---|
| Scientific Name | Atlantea tulita | Craesus alniastri |
| Order | Lepidoptera | Hymenoptera |
| Family | Nymphalidae | Tenthredinidae |
| Size | 35-45 mm wingspan | 7-9 mm |
| Habitat | Forests | Woodlands |
| Diet | Herbivores | Herbivores |
| Regions | Puerto Rico | Europe |
| Conservation | Endangered | Least Concern |
Puerto Rican Harlequin Butterfly
A small endangered butterfly endemic to Puerto Rico with orange and black checkered wings. It inhabits moist limestone forests in the northern karst region.
Did You Know?
Fewer than a few hundred individuals are believed to remain in the wild.
Black Headed Birch Sawfly
A medium-sized sawfly with a dark head and orange body. Larvae are greenish-blue with black heads and feed communally on birch and alder leaves.
Did You Know?
When a predator approaches, the entire colony of larvae simultaneously rears up and thrashes, making the group appear larger and more threatening.