Mexican Cactus Fly vs Giant Swallowtail of the Andes
Side-by-side species comparison
| Attribute | Mexican Cactus Fly | Giant Swallowtail of the Andes |
|---|---|---|
| Scientific Name | Copestylum mexicanum | Papilio thoas |
| Order | Diptera | Lepidoptera |
| Family | Syrphidae | Papilionidae |
| Size | 12-18 mm | 110-140 mm wingspan |
| Habitat | Deserts & Drylands | Rivers & Streams |
| Diet | Nectar Feeders | Nectar Feeders |
| Regions | North America, Central America | South America (Brazil, Argentina, Colombia, Venezuela, Peru, Ecuador, Bolivia) |
| Conservation | Least Concern | Least Concern |
Mexican Cactus Fly
A large, dark hoverfly whose larvae develop in decaying cactus tissue. Adults are strong fliers visiting flowers in arid landscapes.
Did You Know?
Larvae play an important ecological role in recycling decaying cactus material.
Giant Swallowtail of the Andes
One of the largest swallowtail butterflies in South America, with bold yellow and black striped wings and long tail streamers. It is a powerful flier that ranges from sea level to over 2000 m in the Andes. Larvae mimic bird droppings as a defense mechanism.
Did You Know?
When threatened, the caterpillar everts a bright red forked organ called an osmeterium from behind its head, releasing a foul-smelling chemical.