Red Helen vs Neotropical Pergid Sawfly

Side-by-side species comparison

Attribute Red Helen Neotropical Pergid Sawfly
Scientific Name Papilio helenus Acordulecera dorsalis
Order Lepidoptera Hymenoptera
Family Papilionidae Pergidae
Size 110-140 mm wingspan 5-8 mm
Habitat Forests Forests
Diet Omnivores Herbivores
Regions Southeast Asia (Thailand, Vietnam, Malaysia, Indonesia, Myanmar, Cambodia, Laos) Central and South America
Conservation Least Concern Least Concern

Red Helen

A large, elegant swallowtail butterfly with black wings marked by large creamy-white patches on the hindwings and red crescents along the hindwing margin. It has a slow, sailing flight.

💡

Did You Know?

The caterpillar has an osmeterium, a bright orange forked organ behind the head that releases a foul smell to deter predators.

Neotropical Pergid Sawfly

A small, dark pergid sawfly found across Central and South America. Adults have compact bodies with relatively short antennae.

💡

Did You Know?

The Neotropical Pergidae have undergone a remarkable radiation in South America, filling ecological niches occupied by tenthredinids in the Northern Hemisphere.